回压

One common method uses alternating layers of welded wire matting with layers of compacted back-fill earth from the landscaping site.

一个常见的方法是使用电焊交替层与层压实回席子，填补网站的美化地球。

Using conventional garnetbiotitemuscoviteplagioclasequartz geothermobarometry, pT conditions were estimated to be 590610 ℃ and 0.951.14 GPa for the Huilongsi Formation, and 630650 ℃ and 0.650.89 GPa for the Zuolaozhuang Formation, in agreement with lower and upper amphibolite facies, respectively.

运用传统的石榴石黑云母白云母斜长石石英地质温压计估算回龙寺组的变质pT区间为590～610 ℃、095～114 GPa，左老庄组为630～650 ℃、065～089 GPa，分别相当于低角闪岩相和高角闪岩相。

A study was made of the mechanical properties of ordinary Portland cement modified asphalt emulsion concrete,including compressive strength and compressive modulus,flexural strength and flexural modulus.

研究了不同水泥用量对乳化沥青混凝土的抗压强度和抗压回弹模量、抗折强度和抗折回弹模量等力学参数的影响。

Voltage Source and Current Source, Thevenin Theory, Trouble Shooting, Characteristic Curve of Diode, Diode Models, Rectifier Circuits, Input Filtering Capacitor, Voltage Multiplier Circuits, Limiter and Clipper Circuits, DC Clampers and Peak-to-peak Detectors, Zener Diode, Zener Diode Rectifier, Photoelectric Devices, Collector-Emitter Junction, Transistor Characteristics of common-emitter, Base Bias, LED Dirver, Establishing a Stable Q-point, PNP Transistor Biasing, Transistor Biasing, Coupling and By-Pass Capacitors, AC Emitter Resistance, Common-Emitter Amplifier, Other Common-Emitter Amplifiers, Cascaded Common-Emitter Amplifiers, AC Load Line, Emitter Follower, Class B Push-pull Amplifiers, JFET Characteristic Curve, JFET Biasing, JFET Amplifier, VMOS Circuit, Differential Amplifier, Operational Amplifier, Non-inverting Feedback, Negative Feedback.

电子学实验( S0704)(1，1)/应用电子学实验( S0472)(1，1)电压源和电流源、戴维宁定理、故障排除、二极体特性曲线、二极体近似模型、整流电路、电容-输入型滤波器、倍压电路、限制器电路和峰值检测电路、直流定位器与峰对峰检测器、齐纳二极体、齐纳二极体整流器、光电元件、集射极接面、集极特性曲线、基极偏压、LED驱动器、建立一个稳定的工作点 Q 、 PNP 电晶体偏压、电晶体偏压、耦合及旁路电容、交流射极电阻、共射极放大器、其他 CE 放大器、串接共射极放大器、交流负载线、射极随耦器、 B 类推挽式放大器、 JFET 特性曲线、 JFET 偏压、 JFET 放大器、 VMOS 电路、差动放大器、运算放大器、非反向电压回授、负回授。

If the trap concentration of condensed water discharged from the recovery, at this time, the export of back-pressure steam trap is the resistance to water pipes, water pipes back to the high elevation, the second evaporator and pressure of the three.

如果把疏水阀排出的冷凝水集中回收，此时，疏水阀的出口背压是回水管的阻力、回水管抬升高度、二次蒸发器内压力三者之和。

If the trap concentration of condensed water discharged from the recovery, at this time, the export of back-pressure steam trap is the resistance to water pipes, water pipes back to the high elevation, the second evaporator and pressure of the three.

如果把疏水阀排出的冷凝水集中收受接管，此时，疏水阀的出口背压是回水管的阻力、回水管抬升高度、二次蒸发器内压力三者之和。

Assuming fluid is and viscid and slightly compressible, bubble collapse near rigid boundary and free surface is simulated, displaying characteristics such as formation, penetration and impact of reentrant jet as well as vortex ring and bubble rebound.

采用粘性、微可压流体模型，数值模拟了空泡在刚性边界和自由面附近溃灭及空泡溃灭后流动的发展，显示了空泡溃灭过程中的凹陷射流形成、空泡贯穿、射流冲击、涡环的形成和空泡回弹等流动特征，提出空泡回弹的另一种机制是凹陷射流冲击形成的旋涡。

Compression-type valve: This valve is used as boiler feed water and steam off with a valve, it has a lift check valve and stop valve or angle valve integrated function.

压紧式止回阀：这种阀门是做为锅炉给水和蒸汽切断用阀，它具有升降式止回阀和截止阀或角阀的综合机能。

If the concentration of traps discharge condensate recovery, this time, the export of back-pressure steam trap is a return to the resistance of pipes, water pipes back to a high elevation, the second evaporator and the internal pressure of the three.

如果把疏水阀排出的冷凝水集中回收，此时，疏水阀的出口背压是回水管的阻力、回水管抬升高度、二次蒸发器内压力三者之和。

Su-D deficiency rickets often caused by calcium, phosphorus metabolic abnormalities and systemic change in sound quality, only the changes in the skull is very significant, bone softening tone often occurred in occipital parietal bone central to the area soft reduction finger bone invagination quality slightly, let go immediately after the bounce, there are table tennis hands feeling pressure, it referred to as the "ping-pong first."

素D缺乏性佝偻病常引起钙、磷代谢异常及全身音质改变，仅头颅的变化就很显著，骨质软化常发生于枕音和顶骨中央，以手指轻压该处时骨质稍向内陷，松手后立即弹回，有手压乒乓球的感觉，故称&乒乓头&。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。