Answer:
Surrounding a cell in a biomaterial to protect it inside the body so that it is not rejected by the body when it is transplanted is called
Tissue Engineering Scaffolding.
Explanation
Tissue Engineering Scaffolds are very crucial in regenerative medicine.
Regenerative medicine relies heavily on the use of stem cells. Given that the body's autoimmune system is crafted to reject foreign material, scaffolds create a 'trusting' environment for stem cells to adapt and differentiate into the structure they are engineered to replace or repair without being jettisoned by the body's defence system.
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A piston-cylinder assembly contains 5kg of water that undergoes a series of processes to form a thermodynamic cycle. Process 1à 2: Constant pressure cooling from p1=20bar and T1=360°C to saturated vapor Process 2à 3: Constant volume cooling to p3=5 bar Process 3à 4: Constant pressure heating Process 4à 1: Polytropic process following Pv =constant back to the initial state Kinetic and potential energy effects are negligible. Calculate the net work for the cycle in kJ.
Answer:
\(W_{net} = - 1223 kJ\)
Explanation:
State 1:
\(P_1 = 20 bar\\T_1 = 360^{0}C\\ h_1 = 3159.3 kJ/kg\\S_1 = 6.9917 kJ/kg\)
State 2:
\(P_2 = 20 bar\\x_2 = 1 \\ h_2 = 2799.5 kJ/kg\\u_2 = 2600.3 kJ/kg\\v_2 = 0.09963m^3/kg\)
State 3:
\(P_2 = 5 bar\\v_2 = v_3 \\v_3 = v_f + x_3 (v_g - v_f)\\0.09963 = (1.0926 * 10^{-3}) +x_3 (0.3749 - (1.0926 * 10^{-3}))\\x_3 = 0.263\)
\(u_{3} = u_f + x_3 ( u_g - u_f)\\u_{3} = 639.68 + 0.263 (2561.2 - 639.68)\\u_{3} = 1146.2 kJ/kg\)
State 4:
\(P_{4} = 5 bar\\T_4 = 360^0 C\\h_4 = 3188.4 kJ/kg\\S_4 = 7.660 kJ/kg-K\\Q_{12} = h_2 - h_1 = 2799.5-3159.3 = -359 kJ/kg\\Q_{23} = u_3 - h_2 =1146.2-2006.3 = -1454.1 kJ/kg\\Q_{34} = h_4 - h_3 = 3188.4-1196.04 = 1992.36 kJ/kg\\Q_{41} = T(S_1 - S_4) = (360 + 273) (6.9917 - 7.660) = -423.04 kJ/kg\)
Calculate the network done for the cycle
\(W_{net} = m( Q_{12} + Q_{23} + Q_{34} + Q_{41})\\W_{net} = 5( -359.8 - 1454.1 + 1992.36 - 423.04)\\W_{net} = -1223 kJ\)
Write a program that read two integers and display their MOD,VID and their floating-point division in both settings x/y and y/x
e.g 5/3 and 3/5
Answer:
#!/usr/bin/env python
def calculate(x, y):
return {
"MOD": x % y,
"DIV": x/y, # you mean div instead of “VID”, right?
"floating-point division": float(x)/y,
}
def calculateInBothSettings(x, y):
return {
"x/y": calculate(x, y),
"y/x": calculate(y, x),
}
if __name__ == "__main__":
x = int(input("x: "))
y = int(input("y: "))
print(calculateInBothSettings(x, y))
Explanation:
I wrote a python script. Example output:
x: 2
y: 3
{'x/y': {'MOD': 2, 'DIV': 0.6666666666666666, 'floating-point division': 0.6666666666666666}, 'y/x': {'MOD': 1, 'DIV': 1.5, 'floating-point division': 1.5}}
If you measure the voltage across a diode and it measures 0.3 V, the diode is probably made of __________ and is __________ biased.
Answer:
germaniumforwardExplanation:
The forward-biased voltage drop of a semiconductor diode depends on the material it is made of and the method of fabricating the junction.
Voltage dropsA silicon diode will have a voltage drop that can be estimated as 0.7 V. The actual value will depend on current and temperature.
A germanium diode will have a voltage drop closer to 0.3 V, again depending on current and temperature.
A Schottky diode may have a voltage drop between 0.2 and 0.3 V, so may be difficult to distinguish from a germanium diode.
If it measures 0.3 V, the diode is probably made of germanium, and is forward biased.
__
The reverse-biased voltage reading will generally match the open-circuit voltage of the testing device.
Before a rotameter can be used to measure an unknown flow rate, a calibration curve of flow rate versus rotameter reading must be prepared.
a. True
b. False
Grizzly bears in captivity frequently display abnormal behaviors, such as repetitive pacing, swaying from side-to-side, and biting the bars of their enclosure. In order to improve animal welfare, zoos and parks need to stimulate their captive bears to behave as closely as possible to their wild counterparts. Bear sanctuaries are an ideal place where grizzly bears can live out their lives in an enriched and safe environment that is as close their natural habitat as possible. Which of the following statements best expresses the main conclusion of the above argument?
Note that where Grizzly bears in captivity frequently display abnormal behaviors, such as repetitive pacing, swaying from side to side, and biting the bars of their enclosure, the statement that best expresses the main conclusion of the above argument is: "Bears need to be in an environment as close as possible to their natural habitat." (Option 2)
What is the rationale for the above response?Grizzly bears in captivity exhibit abnormal behaviors, which is a sign of poor animal welfare.
To improve their welfare, they need to be in an environment as close as possible to their natural habitat. Bear sanctuaries provide an ideal solution by providing an enriched and safe environment for the bears, mimicking their natural habitat. This helps to reduce abnormal behaviors and improve their overall quality of life.
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29 10 1 point According to Gate Theory, which of the following factors can make you more sensitive to pain? Placebo effects Competing signals, like rubbing your elbow Chronic stress High levels of arousal 30 1 point Patients who are allowed to self-administer morphine use less than when they receive injections from healthcare providers. True False 31 1 point What happens when people lose their sense of smell (olfaction)? They often become manic. 32 Not much. Olfaction is not a very important sense for humans. They compensate by developing an increased sensitivity to taste (gustation). They often become depressed. 1 point The different taste qualities (sweet, sour, bitter, salt, umami) each have their own area of the tongue that is most sensitive to them. True False
The statement that The different taste qualities (sweet, sour, bitter, salt, umami) each have their own area of the tongue that is most sensitive to them is False.
Gate Theory states that competing signals such as rubbing your elbow can make you more sensitive to pain. This theory suggests that physical signals such as massage, pressure, heat, or cold can block the transmission of pain messages through the spinal cord and prevent them from reaching the brain. Therefore, when people rub their elbows or apply pressure to the area, this stimulates the non-painful touch fibers and decreases the transmission of the painful stimuli.
As per the statement, patients who are allowed to self-administer morphine use less than when they receive injections from healthcare providers is True. Olfaction is a very important sense for humans, and they often become depressed when they lose their sense of smell (olfaction). The statement that The different taste qualities (sweet, sour, bitter, salt, umami) each have their own area of the tongue that is most sensitive to them is False.
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One kmole of gas mixture at a total pressure of 250 kPa and 303 K contains 10% CH4, 30% C2H6, and 60% H2 by volume. The absolute velocities of each species are -10 m/s, -5 m/s, and 15 m/s, respectively, all in the direction of the zaxis. a. Determine the molar average velocity, Umol for the mixture. 6.5 m/s b. Evaluate the four fluxes: JCH4-mol, NCH4-mol
Answer:
hi its very easy to say tgat i know this answer very so my friend please give me free points broLoyalty to WHICH governing model was displaced by ideas advanced in the Declaration of Independence and the U.S Constitution?
The monarchy, or rule by divine right of a king, was displaced by the ideas advanced in the Declaration of Independence and the U.S. Constitution. The ideas expressed in the Declaration of Independence and the U.S. Constitution asserted the people’s right to govern themselves in opposition to the divine right of kings on which the monarchy was based.
Answer:
Pie is a great idea for a long time and a great day and I will be in touch soon and I hope you have a great day and I will be in touch soon and
A chain fall locks it’s elevated load is place using
A chain fall locks it’s elevated load is place using an automatic brake.
A chain fall locks it’s elevated load is place using an automatic brake.
What is automatic brake?Automatic emergency braking (AEB) is a safety feature that may detect when a collision is likely to happen and automatically apply the brakes to either slow down the vehicle before impact or stop it altogether to prevent a collision.
Additionally, it found that injuries from these incidents decreased by 56%. Reverse automated braking systems have been associated with a 78% reduction in crashes when compared to vehicles that merely have a reverse camera.
In general, automatic emergency braking is intended to engage at highway speeds, provided the front collision warning sensors can identify the car in front of them. In towns, newer systems operate at slower rates.
Thus, an automatic brake.
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It is desired to obtain 500 VAR reactive power from 230 Vrms 50 Hz 1.5 KVAR reactor. What should be the angle of the AC to AC converter to be used? Calculate the THD of the current drawn from the mains (consider up to the 12th harmonic)?
Answer:
14.5° ; THD % = 3.873 × 100 = 387.3%.
Explanation:
Okay, in this question we are given the following parameters or data or information which is going to assist us in solving the question efficiently and they are;
(1). "500 VAR reactive power from 230 Vrms 50 Hz 1.5 KVAR reactor".
(2). Consideration of up to 12th harmonic.
So, let us delve right into the solution to the question above;
Step one: Calculate the Irms and Irms(12th) by using the formula for the equation below;
Irms = reactive power /Vrms = 500/230 = 2.174 A.
Irms(12th) = 1.5 × 10^3/ 12 × 230 = 0.543 A.
Step two: Calculate the THD.
Before the Calculation of the THD, there is the need to determine the value for the dissociation factor, h.
h = Irms(12th)/Irms = 0.543/ 2.174 = 0.25.
Thus, THD = [1/ (h)^2 - 1 ] ^1/2. = 3.873.
THD % = 3.873 × 100 = 387.3%.
Step four: angle AC - Ac converter
theta = sin^-1 (1.5 × 10^3/ 12 × 500) = 14.5°.
The procedure that scientists should follow when investigating nature
in the same circuit if w/l of the transistor is set so that the transistor drain current is 3 ma, what rd value keeps the transistor at the edge of the ohmic region?
To keep the transistor at the edge of the ohmic region, the value of RD is calculated using Ohm's law, which states that current is equal to voltage divided by resistance.The equation that determines the RD value of a transistor in saturation mode is the following:
RD = (VDSQ - VDSsat)/ IDQ, where VDSQ is the DC voltage between the drain and the source terminals, VDSsat is the saturation voltage, IDQ is the DC current flowing through the transistor, and RD is the resistor connected to the drain terminal that limits the current through the transistor.In this case, the transistor's drain current is set at 3 mA, which is equal to the IDQ value. Therefore, the equation becomes:
RD = (VDSQ - VDSsat)/3 mAIf we assume that the transistor is operating in the ohmic region, then VDSQ is the supply voltage VDD, and VDSsat is zero. Thus, the equation simplifies to:RD = VDD/3 mAIf we set the drain current at 3 mA and assume that the transistor is operating in the ohmic region, then the RD value that keeps the transistor at the edge of the ohmic region is VDD/3 mA. This value depends on the supply voltage VDD and the physical properties of the transistor. The transistor's W/L ratio can be adjusted to achieve the desired value of IDQ and the corresponding RD value.
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explain why slopping roofs are used in areas with heavy rain or snow fall
Answer:
Slopping or slanting roofs are found in houses where there are snow or rain, because it helps the water or the snow to skid down easily. It minimizes the chances of waterlogging because water cannot rest on the roof surface for long.
Explanation:
Brainliest pls.
A brick column with cross section 10 cm by 10 cm [Thermal conductivity, k = 0.69 W/moC and thermal diffusivity, α = 0.5 x 10-6 m2/s] is initially at a uniform temperature Ti = 225oC. Suddenly the surfaces are subjected to convective cooling with a heat transfer coefficient h = 60 W/m2 oC into an ambient at T∞ = 25oC. Calculate the center temperature To at t = 1 hour after the start of the cooling.
The center temperature To at t = 1 hour after the start of the cooling is 185.6 °C
How can you calculate the center temperature of the brick?To calculate the center temperature of the brick column at t = 1 hour after the start of the cooling, we need to use the heat equation, which is a partial differential equation describing how heat flows through a material over time. The heat equation for a two-dimensional steady state problem is given by:
∇²T = α ∂T/∂t
Where T is the temperature, α is the thermal diffusivity, and t is time.
The solution to this equation can be found using the semi-infinite solid solution which is given by
To = Ti + (T∞-Ti) erfc(x/2*√(αt))
where,
To is the center temperature,
Ti is the initial temperature of the column,
T∞ is the ambient temperature,
x is the distance from the surface of the column, α is the thermal diffusivity, and
t is time.
In this case,
To = 225 + (25-225) erfc(5/2√(0.510^-6 * 3600))
Plugging in the given values, the center temperature is around Tₒ = 225 + (25-225) erfc(0.0156) ≈ 185.6 °C
Therefore, the correct answer is as given above
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1. You use
switches when you
have two switches controlling one or more
lights.
single pole
4-way
2-way
3-way
PLLLLLSSSSSSS HELPPPPPPPP!
Answer:
i'll help you but there is no question to answer??
is a water proof material used around tubs and
showers.
A. Cement board
B. Backing board
C. Hard board
D. Finish board
Answer:
hard bored
Explanation:
it seems like it could be either but I think hard bored
A salvage part is considered aftermarket? true or false
Design a reinforced concrete cantilever beam that has a rectangular cross section with a high (h) to width (b) ratio of around 2. The beam is fixed at one end and free at the other witha span of 16ft. It carries aservicelive load of1.2kip/ft. in addition to its own weight. The design should satisfyACI 318 specifications, includingthe load factors, strength factors, minimum depth,and minimum reinforcement.The flexural reinforcement remains the same along the whole length of the beam. Use Grade
To design a reinforced concrete cantilever beam that has a rectangular cross-section with a high (h) to width (b) ratio of about 2, given it is fixed at one end and free at the other with a span of 16ft, carries a service live load of 1.2kip/ft, and is to satisfy ACI 318 specifications, the following steps are taken.
Step 1: Determine loads on the beamLoad from the service live load of the beam plus its weightWL = 1.2 × 16 = 19.2 kip/mTotal load on the beam, wu = 1.2 + 0.125 = 1.325 kip/ft (using load factors from ACI 318-19 section 5.2.1)Step 2: Determine ultimate moment at the fixed endMu = wuL²/8 = 1.325 × 16²/8 = 42 kip-ft = 504 kip-inStep 3: Determine the depth of the beamFrom ACI 318-19, section 9.5.1, d ≥ h/12 and h ≤ b. Assume h = 24 inches, then d = 2 inches. Using the same breadth, b = h/2 = 12 inches.
Step 4: Determine effective depthAssuming a cover of 1.5 inches for both the top and the bottom, the effective depth, d’ = d - 1.5 - 0.5#5 bar = 2 - 1.5 - 0.5(0.625) = 0.813 inches ≈ 0.75 inches (assume)Therefore, effective depth, d’ = 2 - 1.5 - 0.75 = 0.75 inches.Step 5: Determine reinforcement area at fixed endFrom ACI 318-19, the design moment strength of a singly reinforced beam is given byMn = 0.9f_yAs (d - a/2)whereAs = area of tension steel, f_y = yield strength of steel = 60 ksi (Grade 60 steel)Mn = ultimate moment capacity of the sectiona = distance from the extreme compression fiber to the centroid of tension steel = distance of reinforcement to the center of the beamThe minimum area of reinforcement is given by the section 24.4.
Assuming a 1.5 inches cover, the actual bond length is given byl_d = 0.5 β_1 d_bfy/τ_bwhereβ_1 = 0.8d_b = 0.375 inches (diameter of #3 bar)fy = yield strength of steel = 60 ksiτ_b = 3.0 psi (using a normal weight concrete, assume 4000 psi)l_d = 0.5 × 0.8 × 0.375 × 60000/3.0l_d = 30.0 inches < L/3 = 16/3 = 5.33 inches ∴ OkBond stressτ_b = V_bd/0.2 bd’WhereV_bd = shear force transmitted to the concrete per inch width of the beam along its depthd’ = effective depth of beamb = breadth of the beamAssume a maximum shear force of V = wuL/2 = 1.325 × 16/2 = 10.6 kipV_bd = V/bd’ => τ_b = 10.6 × 12/(0.2 × 12 × 0.75)τ_b = 28.16 psi < 3.0√f’_c = 89.1 psi ∴ OkTherefore, the design of a reinforced concrete cantilever beam with a rectangular cross-section that has a high (h) to width (b) ratio of about 2, given it is fixed at one end and free at the other with a span of 16ft, carries a service live load of 1.2kip/ft, and is to satisfy ACI 318 specifications has been satisfactorily completed.
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LOLOLOLOKOLLOLLOLOLOO STRIKER KID THINKS HES SO GOOD LLOLOLOLOLOLOLOLOLOLOOLOLOLOLOLOLOL
Answer:
UUUUUUMMMM do you mean in soccer ????????????????
Explanation:
An elevation is.... * 10 points a. A detailed description of requirements, composition and materials for a proposed building. b. A view of a building seen from one side, a flat representation of one façade. This is the most common view used to describe the external appearance of a building. c. The development of the last remaining lots in an existing developed area, the new development within an area already served by existing infrastructure and services, or the reuse of already developed, but vacant properties. d. The practice of creating structures and using processes that are environmentally responsible and resource-efficient throughout a building's life-cycle from siting to design, construction, operation, maintenance, renovation and deconstruction.
Answer:
b. A view of a building seen from one side, a flat representation of one façade. This is the most common view used to describe the external appearance of a building.
Explanation:
An elevation is a three-dimensional, orthographic, architectural projection that reveals just a side of the building. It is represented with diagrams and shadows are used to create the effect of a three-dimensional image.
It reveals the position of the building from ground-depth and only the outer parts of the structure are illustrated. Elevations, building plans, and section drawings are always drawn together by the architects.
Which of the following factors is not considered when OSPF determines the best path for a packet? a. Link failure. b. Number of hops. c. Throughput. d. Latency.
c. Throughput. The factor that is not considered when OSPF determines the best path for a packet is Throughput. OSPF calculates the best path based on the link cost.
Open Shortest Path First (OSPF) is a routing protocol used to determine the best path for data packets in a network. OSPF calculates the cost of each possible path based on several factors, such as the number of hops, the bandwidth, and the latency. However, it does not consider the throughput of the network. Throughput is the amount of data that can be transmitted over a network in a given period of time, and it is affected by factors such as network congestion, packet loss, and the quality of the physical media. Therefore, OSPF may not always choose the most efficient path in terms of throughput.
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Batteries can be stacked as long as they are no more than two high true or false?
Answer:
This statement is False.
Explanation:
It doesn't matter how much batteries get stacked.
May I have Brainliest please? My next rank will be the highest one: A GENIUS! Please help me on this journey to become top of the ranks! I only need 6 more brainliest to become a genius! I would really appreciate it, and it would make my day! Thank you so much, and have a wonderful rest of your day!
Are the following languages context-free or not? If yes, specify a context-free grammar in BNF notation that generates the language. If not, give an informal argument.
1.{anbmc⁰ | m> 0, n≥0,o > 0} , with alphabet , = {a,b,c}
2. {anbmc⁰ | n ≥ 0, o > 0 } , with alphabet , = {a,b,c}
3. {anbncn | n > 0 } , with alphabet = {a,b,c}
4. { A²nb³n | n ≥ 0 } , with alphabet = {a,b}
5. {wwR | w E and wR is w in reverse} , with alphabet = {a,b}
6. {anbmcmdn | n≥ 0, m ≥ 0 } , with alphabet = {a,b,c,d}
7. {Anbmcmdn | n ≥ 0 , m ≥ 0 , with alphabet = {a,b,c, d}
8. {anbncmdm | n ≥ 0 , m≥ 0 = {a, b , c, d} 9. {ananbnbn | n ≥ 0 } with alphabet = {a,b}
10. {w | w has more than 5 symbolz}, with alphabet = {a,b}
Which of the languages are also regular languages, Le., can be expressed by a regular expression? Prove it by giving the regular expression that specifies the language.
This language is regular and can be expressed by the regular expression (a + b)⁶(a + b)*.
Intuitively, this is because we need to keep track of the number of a's, b's, and c's in different parts of the string, which is beyond the power of a context-free grammar. A context-free grammar in BNF notation that generates this language is S -> A C, A -> a A | ε, C -> b C | ε. A context-free grammar in BNF notation that generates this language is S -> a S c | B,B -> b B c | ε. it requires matching the number of a's to the square of the number of b's, which cannot be done with a context-free grammar. Therefore this language is regular and can be expressed by the regular expression (a + b)⁶(a + b)*.
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Heat-absorbing glass was developed to block more of Solar Radiation than light. True False
Which of the following sensors is used to provide suspension control module with feedback regarding vehicle cornering forces?
Question content area bottom
Part 1
A.
lateral accelerometer sensor
B.
vehicle speed sensor
C.
yaw rate sensor
D.
pressure sensor
Answer:
A
Explanation:
Determine the initial void ratio, the relative density and the unit weight (in pounds per cubic foot) of the specimens for each sand.
The initial void ratio is the parameter which is used to show the structural foundations for each specimen of sand so that the method and speed of compression would be measured.
Relative density is the mass per unit volume of each specimen of sand which is measured and it has to do with the relative ratio of the density of the sand.
Unit weight is the the exact weight per cubic foot of the sand which is measured.
Please note that your question is incomplete so I gave you a general overview to help you better understand the concept
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control charts for variables are based on data that come from
Control charts for variables are based on data that come from continuous measurement processes.
These processes generate numerical measurements of a characteristic of interest, called a variable. The variable can be any measurable attribute such as weight, length, height, volume, temperature, pressure, and so on. The data obtained from measuring the variable is plotted on a control chart to monitor the stability and performance of the process over time.
Variables control charts consist of two types: X-bar and R charts. The X-bar chart displays the average value of the variable, and the R chart displays the range or variation of the variable. Both charts are used together to detect any shifts or changes in the process mean or variability.
The data used to construct the control charts should be representative of the process being monitored and should be collected in a systematic and consistent manner. The data should be accurate, precise, and unbiased. Typically, a minimum of 20 to 25 consecutive samples of the variable is collected before constructing the control charts.
In summary, control charts for variables are based on data that come from continuous measurement processes of a measurable attribute. The data is used to construct X-bar and R charts to monitor the stability and performance of the process over time. The quality of the data is essential to ensure the reliability and usefulness of the control charts.
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Advantage of reconnaissance survay
Answer:
fgfr
cg
Explanation:
xhrrhfdfghtrfgg
Determine the support reactions of a beam with an articulated support
An articulated support is a type of beam support that restrains a beam from moving in all directions except one rotational direction. Determining the support reactions of a beam with an articulated support can be done using the following steps:
Step 1: Draw a free-body diagram of the beam that indicates the forces acting on the beam.Step 2: Write down the equilibrium equations that relate the forces and moments acting on the beam to the support reactions. For a beam with an articulated support, there will be two unknown support reactions: the vertical reaction and the rotational reaction.
Step 3: Solve the equilibrium equations for the unknown support reactions.Step 4: Check the solution by verifying that the forces and moments acting on the beam are in equilibrium. This can be done by substituting the values of the support reactions into the equilibrium equations and verifying that they are satisfied.
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