查询词典 temperature

Workshop is ventilated the optimal program that drop in temperature: Below torrid weather, because heat is conducted, heat radiation, did not adopt drop in temperature the indoor temperature of measure wants 10C -20C of prep above outside, manufacturing activity cannot on the rails.

车间透风降冷的最好方法：在酷热气侯下，因为热传达、热辐射、未实行降冷行动的房内温度要高于外面10C-20C，制造项目沒法正常施行。

Experimental accuracy and repetition of FBG temperature sensitivity and compensation were discussed.have selected several materials which has bigger coefficient of expansion to do packaging components, have made many temperature experiments, there have not flaws, such as aging, crackle, absciss layer, packaging materials have good temperature sensitivity and compatibility with optical fiber;have designed the simple and practical packaging components, have performed a serials of experiments about accuracy and repetition of FBG wave-length, have obtained the first step conclusion;have analyzed the result and made comparison between the result of different experiment, have summarized the best packaging effect and several rules to reduce mistskes.

本文所做的主要工作包括以下几个内容：一、选取了常见的热膨胀系数大的材料制作封装元件，经过多次一80℃到80℃反复测试，封装元件没有出现老化开裂、封装裂纹、空洞、离层等缺陷，封装材料具有良好的温敏稳定性及复用性，与光纤相容性较好；二、对光纤光栅进行简单、实用的封装处理，就封装效果的优劣性、波长测量的准确度、重复性和封装时产生的波长损失等方面进行了一系列的实验，得出了初步的结论；三、对温敏和温度补偿式封装的实验数据进行了详细的分析和对比，从数字上对温变过程中光纤光栅中心波长的改变及温变曲线进行了定量的分析，在大量实验数据分析结果的基础上，总结出哪种材料封装效果更好，以及如何有效的减小实验误差。

In chapter 5, heat mechanism and heat radiating forms of the hydraulic system faults are studied. Based on relationship between degree of the hydraulic system faults and thermal image shapes, multi-scale entropy of temperature field is taken to express the fault degree. Entropy of low frequency means its absolute temperature, and entropy of high-frequency means distribution of temperature field.

同时针对系统故障程度的不同，提出了用温度场的熵进行表征的思路，通过多尺度小波对原热场图像进行小波变换，提取其中低频分量的熵用来衡量其绝对温度大小，提取高频分量的熵来衡量其温度场的分布，给出了实验结果，通过实验结果分析，证明这种分析方法是可行的。

The plasma density scale length decided by main laser pulse in the experiment is suitable for Vacuum Heating, and it is the domiant process for hot electron generation. From the scaling law about hot electron temperature given by VH model, the hot electron measured by experiment was reasonable, the temperature was higher than the temperature given by Rcsonant Absorption scaling law.

从真空吸收给出的超热电子温度的定标率来看，实验中测量得到的超热电子温度是合理的。X射线是各向同性的，X射线产额随入射激光强度的降低而减小，当强度小于10〓W/cm〓时，不再有硬X射线产生。

It includes as follows:(1) That the right acceptance probability to decide the initial value temperature should be 0.6 are presented by experiment. For the first time, crossover and mutation operator are used in populations to calculate the initial value of temperature. At least the initial value of temperature is 〓.(2) Replacing random change operator with crossover and mutation operators.

2使用遗传算法中交配与突变代替模拟退火算法中随机扰动操作，对两种操作方法进行定性分析，得到突变和交配操作与随机扰动方法在本质上的一致性；同时首次提出在不同温度条件下，使用不同的比例因子，控制参与交配与突变的基因位数，实现了二次使用模拟退火算法的过程。

Numerically, Limacina trochiformis was the main dominant specis in spring, attributed to its low temperature adaptation. Atlanta peroni was the dominant species in summer and Creseis acicula was the dominant species in autumn due to their adaptation to relatively high temperature. Agadina stimpsoniji was the dominant species in winter, adapted to low temperature.

马蹄螔螺适温较低，是春季主要优势种；明螺作为暖水种，是夏季主要的优势种；秋季主要优势种为尖笔帽螺，适应于较高的水温；强卷螺适温较低，是冬季的主要优势种。

The temperature gradient is larger in case ofussual half-zone model which has a uniform temperature distribution on the hot rod,andmodified half-zone model which has a non-uniform temperature distribution in the hotrod and negative radial temperature gradient near the axis of the hot rod.

模拟半浮区模型提出选择热传导系数与试验液体相当的材料作为热端棒材，使得热端内侧的轴向温度梯度接近于零。模拟半浮区模型的温度分布更接近于全浮区温度分布的一半。对于改型半浮区模型，选择热传导系数高于试验液体值一个数量级的材料作为热端棒材，使得热端温度分布不均匀，并且热端内侧温度高于外侧温度。

Based on the results simulated by PRECIS (Providing Regional Climates for Impacts Studies), which is developed in the Hadley Centre for Climate Prediction and Research, changes of surface air temperature and precipitation under SRES B2 scenario in South China during 2071~2100 are analyzed. It is shown that, compared to baseline (1961~1990), surface air temperature in 2071~2100 would increase by 2~4℃, precipitation in summer would increase in the north part to 22°N, while the precipitation in winter would decrease in the whole areas of South China. The climate trend of the surface air temperature would be positive, however the climate trend of the precipitation would be negative, the occurrence frequency of extremely high temperature events and extremely heavy precipitation events would increase.

利用英国Hadley气候预测和研究中心的区域气候模式系统PRECIS，模拟分析基于政府间气候变化专门委员会 2000年发布的《排放情景特别报告》中设计的B2情景下华南区域2071~2100年的温度和降水量的可能变化，结果显示：2071~2100年均地面温度相对于气候基准时段（1961~1990年）上升约2~4℃；华南区域未来夏季降水量在22°N以北区域较气候基准时段增加，而以南区域减少；冬季降水则表现为华南区域较气候基准时段减少。2071~2100年华南区域的温度气候趋势系数为正值，年均降水气候趋势系数为负值。2071~2100年的高温事件和强降水事件的发生频率均比气候基准时段明显增加。

Constant temperature bath was employed to get the curve of forward current and temperature, which will be the basis of forward current feedback and temperature conversions. Self-developed driving circuits were used to control LED to make the relative illumination decays to be less than 5% and the coordinate excursion of Color rendering indix on the CIE chromaticity diagram is lower than 0.1. The development of circuit control of LED projection light with low aberrance of illumination and Color rendering indix, changing with the temperature can be successfully realized.

研究执行首先针对各类LED单体，进行晶粒温度对前馈电流变化之量测，利用恒温槽控制得出完整曲线，并以此作为LED晶粒前馈电流回授与温度换算之依据，利用自行开发脉波驱动线路，进行高瓦特LED单体控制，达成相对照度变化小於 5%，演色性在CIE chromaticity diagram上座标偏移低於0.1，成功实现一随温度变化，照度与演色性变异均低之LED投射灯控制线路开发。

The use of mechanical seals, and do not have to fill, automatic mind, long life, wide parameters (pressure 15-30 kg / cm 2, temperature -50 ℃-450 ℃, to speed 0-500 /, media: conducting oil, steam , Water, air, etc.), is to address run, run, drip, leak, energy conservation, improve the working environment ideal for sealing components conducting oil rotating series of joint: in-house and the spherical shell after fine grinding process, using a spring 30WACr2VA tungsten chromium Vanadium alloy spring steel from refined, and the introduction of Japanese cedar trees machinery will be silver-impregnated graphite high temperature seals from the assembly, with the temperature effects, and life than the original, high-temperature range of 30%.

该产品采用机械密封，不必填料，自动同心，使用寿命长，参数广（压力15-30㎏/㎝2，温度-50℃—450℃，转速0—500转/分，介质：导热油、蒸汽、水、空气等），是解决跑、冒、滴、漏，节约能源，改善工作环境的理想密封部件（导热油系列旋转接头：壳体内部和球面经过精磨加工，弹簧采用30WACr2VA 钨铬钒合金弹簧钢精制而成，并引进日本柏木机械株式会银浸渍石墨高温密封件组装而成，具有耐高温之特效，而且使用寿命较原来中、低温系列高30％。

Finally, according to market conditions and market products this article paper analyzes the trends in the development of camera technology, and designs a color night vision camera.

最后根据市场情况和市面上产品的情况分析了摄像机技术的发展趋势，并设计了一款彩色夜视摄像机。

Only person height weeds and the fierce looks stone idles were there.

只有半人深的荒草和龇牙咧嘴的神像。