热的产生

The group of low migration nucleases were prepared by ammonium carbonate processing +acid denaturation + thermal denaturation + acetone extraction.

在提取过程中产生两组核酸酶，在SDS-PAGE-DNA功能胶中迁移率较慢的一组采用碳酸铵处理+酸变性+热变性+丙酮沉淀的提取方法来获得较好的层析样品。

In this paper,the drag-reducing surfactant solution flows in a fully developed turbulent channel flow have been analyzed experimentally using Phase Doppler Anemometry and thermocouples in order to study the temperature fluctuations and heat transfer characteristics on the drag-reducing and heat transfer reduction phenomena of the surfactant solution flows.

该文针对在水中添加阳离子表面活性剂产生的减阻作用同时降低传热性能的现象，应用相位多普勒激光测量系统和热电偶温度测量系统对二维流道内表面活性剂减阻流体热边界层内的湍流温度脉动以及传热特性进行了实验研究。

Dependence of laser absorption and hot electron generation on atomic number Z and laser incident angle has been observed.

由于界面的影响，厚靶和薄靶的能量吸收和产生的超热电子也有所差别。

Nowadays, such metal as steel has been widely used as tube material, but the corrosiveness of secondary refrigerant to metal tube has negative effect on the long-term stability.

目前，钢材等金属材料由于其具有较高的热导率而被广泛地用作盘管材料，但乙二醇溶液对钢等金属的腐蚀性会对盘管工作的长期稳定性产生严重影响。

Based on the analytical solution of heat conduction equation, an equation of temperature wave of the type of Fourier series was derived to predict the response of temperature at variable depths to ground surface condition.

通过热传导方程对土壤中的传热过程进行分析，得到傅立叶级数表示的温度波方程，用于预测不同深度土壤响应地表条件而产生的温度变化。

The ejective flow produced by attitude control engine creates serious contamination to spacecraft, which can be classified, according to property, into mechanical,thermal, depository and chemical contamination.

姿控发动机真空环境下工作产生的喷流对航天器造成的污染非常严重。根据污染的性质，羽流污染又分为机械污染、热污染、沉积污染和化学污染。

Results Contents of this construction project including the selection of site,the overall layout,the arrangement and layout of the facilities,occupational disease prevention and protection measures,the facilities of auxiliary rooms accorded with the requirements of laws and regulations of occupational health,the main occupational hazard factors that exist in this construction project were dusts,poisonous chemicals,noise,vibration,high-temperature,heat radiation,ultraviolet ray,Power-frequency electric fields and radioactive hazards and electromagnetic radiation.

结果该建设项目的选址与总体布置、生产设备布局、职业病防护设施、个人使用的防护用品、职业卫生管理、生活饮用水、辅助用室等符合国家有关法规，该项目生产过程中产生的主要职业病危害因素有：粉尘、毒物、噪声与振动、高温与热辐射、紫外线、工频电场、电离辐射等。

The intense heat of the lightning discharge superheats the surrounding air causing it to expand explosively.

闪电释放出的强大热量使得周围的空气迅速过热、膨胀并爆炸，由此产生了压缩或者"冲击"波--雷--以每秒钟1/5英里的速度向四处扩散。

The other secondary catadioptric system was used to achieve high ratio beam expanding.

考虑到可能产生的热形变，对入射光斑较小的变倍移动组的材料进行了分析选择。

The variation of evaporating rate,and also the resulted mean velocity of liquid film in the thin film interline region were revealed,which showed that there existed a local maximum value of evaporating rate in this region by the coupled influences of decreased film thickness and adhesion force caused by the disjoining pressure.

描述了过渡薄液膜区表面蒸发率和液膜平均速度的变化规律，发现受液膜导热热阻和分离压力产生吸附作用的综合影响，该区域的蒸发率存在局部最大值。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。