It's true that as people in developing nations move from the countryside to the city, the shift may reduce the pressure on land, which could, in turn, be good for the environment.
的确,随着发展中国家的人们从农村搬到城市,这种转移可能会减少对土地的压力,这反过来可能有利于环境。
Such a shift would result in more labor-intensive growth, with more urban job creation as well as more upward pressure on wages from the higher demand for labor.
这种转变的结果将导致更加劳动密集型的增长,创造更多的城市就业,并由劳动力需求上升对工资产生上行压力。
Because kneeling allows you to shift and transfer some of the pressure toward the lower spine while you push your baby out, it seems to reduce childbirth pain even more than sitting does.
跪式可以在你用力推时,转移一部分对脊椎的压力,甚至能比坐式更有效的减轻分娩的痛苦。
Made of carbon fiber composites, the materials shift between two or more shapes in response to changes in heat, air pressure, or other environmental factors.
该材料由碳纤维复合材料构成,在热、气压或其他环境因素发生变化时,可改变到多种形态。
Abstract: a pressure sensor which can cancel thermal zero shift is described.
文摘:提出一种可消除热零点漂移的压阻式压力传感器。
It is mainly used to compensate temperature shift and non-linearity error of piezoresistive pressure sensor.
此芯片集成化程度较高,可以补偿硅压阻式压力传感器的温度误差和非线性误差。
Due to the nonlinear behavior of the resonant wave and viscosity of water, there is a temporal shift at pressure nodes.
由于波的非线性以及水的粘性,压力波节点呈现出轻微的时间漂移性。
Several compensation methods of thermal sensitivity shift of polysilicon pressure sensor are introduced, whose principles and characteristics are discussed.
列举了几种多晶硅高温压力传感器的热灵敏度漂移补偿方法,并分别讨论了它们的原理及特点。
When the pressure difference changes with time, a phase shift will occur between the transient pressure difference and displace of valve flap, which could cause leakage and even reverse flow.
当阀片两侧的压差随时间变化时,阀片的启闭与压差的变化之间存在一定的相位差,有可能引起泄漏甚至反向流动。
At the end of the shift or work day, close the cylinder valve and bleed the pressure off the regulator and torch equipment.
在下班或工作日结束的时候,关闭钢瓶阀门,放出调整器和吹管设备内的压力。
Results: In the night shift set up two, three duties the pressure to play the obvious alleviation role to a night sister.
结果:夜班中设立二线、三线值班对一线夜班护士压力起到了明显的缓解作用。
Based on the study of shift process, the optimized pressure control law of shift is obtained.
论文在对换挡过程研究的基础上,提出了优化的换挡油压控制规律。
Brain CT showed the left frontal temporal, parietal, a large low-density lesions, smaller left ventricle pressure, midline shift to the right.
脑ct示左侧额、颞、顶叶大片低密度病灶,左侧脑室受压变小,中线结构向右移位。
The experimental results show that the shift rates of Raman lines in the sample are distinctly affected by the pressure-transmitting media.
实验结果表明:传压介质对样品的谱线频移速率及相变压力有明显的影响。
The contributions to the rates of pressure induced shift from various parameters are calculated. The physical origins of R1 line have been clearly and quantitatively shown.
各参数对能级压力移位率的影响也被定量计算,得出了R 1线压力移位的物理根源。
It is at the coast of increasing the shift time and the hydraulic cushion pressure to reduce the bumping speed of piston.
降低顶缸速度是以增加换向时间和提高缓冲压力的代价来实现的。
It introduces the test items of the electric control automatic transmission for Antelope SC-7101, including rotation rate, pipeline pressure, trial driving, manual shift driving and engine braking.
介绍了羚羊世纪星轿车电控自动变速器性能测试内容,包括转速测试、管路压力测试、道路试验、手动换档道路试验和发动机制动测试。
The result shows that the frequency shift of Brillouin scattering light is scarcely influenced by air pressure and vapor pressure, and greatly affected by air temperature.
结果表明。布里渊散射光频移受大气压、水汽压的影响很小。而受大气温度的影响很大。
The oscillating flow characteristics of the test section are obtained by the analysis of the amplitude and phase shift of the velocity and the pressure wave.
通过测量阻力元件两端的动态压力、流速,得到交变流动情况下动态压力与质量流量之间振幅和相位关系,从而得到所测元件的交变流动阻力特性。
In this paper, the intrinsic kinetics of CO shift reaction on NBC-1 type non-chromium iron-based catalysts at ambient pressure is studied by means of isothermal tube-type differential reactor.
本文采用等温管式微分反应器,研究了常压下在NBC - 1型铁系无铬催化剂上CO变换反应的本征动力学。
In order to insure the smooth shift, pressure regulating and flow control system is adapted to control oil pressure changing curve of the applying elements.
为了使换档平稳无冲击进行,利用调压系统控制换档结合元件的油压变化规律。
This paper deals with the study of intrinsic kinetic behavior of the CO high temperature shift reaction at atmospheric pressure over BX catalysts in an isothermal-integral-reactor.
本文采用常压等温直流积分反应器,研究在BX型中温变换催化剂上CO变换反应的本征动力学。
This paper deals with the study of intrinsic kinetic behavior of the CO high temperature shift reaction at atmospheric pressure over BX catalysts in an isothermal-integral-reactor.
本文采用常压等温直流积分反应器,研究在BX型中温变换催化剂上CO变换反应的本征动力学。
应用推荐