For copper, she said, the LC50 (the concentration lethal to half of any given species over a certain time) decreases with temperature - meaning that toxicity increases.
她说，对于铜来说，半数致死浓度lc50(一定时间内受试动物半数死亡的毒物浓度)随温度减弱-这就意味着毒性增加。
With the increase of soil depth, daily variation amplitude of soil temperature decreases.
随着土壤深度的增加，地温日变幅逐渐减小。
In the subsystem of air cycle, temperature in all state points decreases with the increasing altitude.
在空气循环子系统中，各状态点的温度都随飞行高度的增加而减小。
As a rule, the temperature in the troposphere decreases steadily with increasing altitude until the tropopause is reached.
通常对流层温度直到对流层顶都是随高度增加而不断地减小的。
It was found that with increasing the cathode temperature the arc velocity decreases.
实验发现，随着阴极温度的增加，电弧的后退速度下降。
The separation factor decreases as exponential function accompanying with increasing temperature.
分离因子随着温度升高以指数函数下降。
In addition, both hydrogen permeation time and trapping coefficient of hydrogen increase but the hydrogen diffusivity decreases in the steel with the elevation of annealing temperature.
此外，随着退火温度的提高，氢渗透时间和氢陷阱系数也增大，而氢的扩散系数则降低。
With the increase of aging temperature, the tensile strength decreases. With the increase of elongation.
随着时效温度的升高，合金的拉伸强度降低，而延伸率则不断增加。
The performance of a gas turbine is related to environmental temperatures and its output decreases with the increase of gas inlet temperature, which can be solved by cooling the inlet gas.
燃气轮机的性能与环境温度有关，其出力随燃气进气温度升高而降低的问题可通过冷却燃气进气来解决。
The second moment creep time of DZ4 superalloy rapidly decreases with the increasing of temperature and stress.
随着温度的升高和应力的增加，DZ 4合金蠕变第二阶段的时间迅速减少。
The flow stress decreases with the increase of deforming temperature and increases with the increase of strain rate.
流变应力随着变形速率的增加而增加，随着变形温度的升高而降低。
The tension fluctuation and irregularity of fiber decreases with the increase of drawing ratio, speed and temperature.
增大拉伸比、拉伸速度和拉伸温度能有效地减小张力波动和不匀率。
With the decreases of deformation temperature and increases of deformation degree and deformation rate, the recrystallized grain size decreases and the recrystallization volume percent increases.
随着变形温度的降低、变形程度和变形速率的增大，再结晶晶粒尺寸减小，再结晶体积分数增大。
Results show that with the increase of cooling rate or decrease of measurement temperature, both the yield stress and yield time increase, but the yield strain decreases.
发现在相同测量方式下，随降温速率的增大或测量温度的降低，屈服应力增大、屈服时间变长、屈服应变减小。
The glassy transition temperature of ion implanted layer decreases along with the increase of dose, the decrease of the glassy transition temperature is independent of implanted ion type.
注入层的玻璃化转变温度随注入剂量的增加而降低，玻璃化温度降低和注入离子的种类无关。
The amplitude of the loss peak decreases linearly with axial strain, whereas, it is hardly affected by temperature change.
谐振波长随温度和轴向应变线性变化，透射峰幅值随轴向应变线性减小但对温度不敏感。
The results showed that the solvent content in the polyamide film decreased with rising of drying temperature and the initial solvent content, and decreases of film thickness.
结果表明，随着干燥温度的升高、溶剂初始含量的升高、液膜厚度的减少，溶剂含量下降加快。
The frictional resistance factor increases with the increase of the flow velocity, decreases with the increase of temperature and its variation law with the pressure is complicated.
摩擦阻力系数随着流速增大而增大，随着温度的升高而减小，而其随着压力的变化特别复杂。
Experimental results indicate that the stress distribution varies with the sintering temperature, and that the stress decreases with the sintering temperature.
实验结果表明，硅片中的应力分布随烧结温度的不同而不同，应力随烧结温度的降低而减小。
It is demonstrated that the high temperature temporal strength increases with the increasing of iron content while as the room temperature strength decreases.
随着铁含量增加，合金的高温短时抗拉强度增加，但室温抗拉强度下降。
The thermal equilibrium time of wall temperature decreases linearly with the detonation frequency increasing.
壁温分布热平衡时间随爆震频率的升高而减小，且基本上呈线性关系。
The no load speed decreases with the increase of surrounding temperature.
随着环境温度的增加马达的空载转速下降。
The peak wavelength decreases with the increasing of work current, however it increases with the rising of temperature.
注入电流不变时，其输出光功率随管芯温度的升高而减小；峰值波长随温度升高而增大。
The experimental results indicate that the surface tension of ferrofluids decreases with increasing temperature.
实验结果表明：铁磁流体的表面张力随温度的升高而减小。
The emulsifying stability of the starch stearate increases with the increase of DS, dosage of starch stearate, and ratio of oil to water, but decreases with the increase of temperature.
硬脂酸淀粉酯的乳化稳定性随取代度、硬脂酸淀粉酯用量以及油水比的增加而增加，随温度的升高而降低。
With the increase of temperature, the surface tension of foam system decreases. It was favor of improving foam stability, however it was not a dominant factor.
随温度升高，泡沫体系的表面张力减小，有利于泡沫的稳定性提高，但此时表面张力不是影响泡沫稳定性的主导因素。
With preheating temperature enhancing, the peak value also increase, but cooling velocity decreases, resulting from the decrease of heat conductivity of sample lower surface.
随着预热温度的提高，电阻峰值也相应增大，但是样品下表面的热导出率下降，冷却速度下降；
The char yield for cellulose, xylan and lignin decreases with temperature rise, and finally closes to a constant value about 1.5%, 22% and 26%.
三组分热裂解焦炭产量随温度升高而降低，最终纤维素热裂解焦炭产量为1.5%，而木聚糖和木质素分别为22%和26%。
The results show that the eutectic transformation temperature of gray iron decreases with the increase of antimony content.
结果表明，随着锑含量的增加，灰口铁共晶转变温度降低；
The results show that the eutectic transformation temperature of gray iron decreases with the increase of antimony content.
结果表明，随着锑含量的增加，灰口铁共晶转变温度降低；
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