查询词典 essential parameter

Light output analysis tests character of spectrum radiate of pyrotechnic mixtures and analyses wave band distribute of light by comparing different static blaze spectrograms of the pyrotechnic mixtures. Screen out the better pyrotechnic mixtures according to request of pumping source. Press experiments in airtight erupt container experiment, which simulate the circumstance that pyrotechnic mixtures deflagrate in quartz pipe, realize the press influence to the quartz pipe wall and the disciplinarian of axes press variety. Apply these pyrotechnic mixtures to Nd:YAG lasers as the pumping source and compare pumping efficiency of different pyrotechnic mixtures. Pumping efficiency is an important standard which checkout if these pyrotechnic mixtures are the better pumping source. Sensitivity experiment analysis incarnate security of pyrotechnic mixtures that is the essential parameter in the process of design, manufacture and use.

通过对烟火药的热分析(爆热分析、DTA、TG)，了解备选烟火药反应过程中的能量输出特性及反应过程中的物理、化学变化规律；光输出分析实验对烟火药配方光谱辐射特征进行测试，比较其静态火焰光谱图，分析不同烟火药剂光辐射波段分布特征，根据激光泵浦源的辐射要求，进而筛选更符合激光泵浦源药剂要求的烟火药；模拟烟火药在石英管中爆燃环境的密闭爆发器压力分析实验反映了烟火药在石英管中反应时对管壁的压力影响以及管内轴向压力变化规律；将烟火药作为泵浦源应用于Nd：YAG固体激光器，比较不同烟火药的泵浦效率，作为检验烟火药是否适合作为激光泵浦源的重要标准；感度实验分析体现了各种烟火药的安全性，是烟火药设计、制造和使用的必要示性数。

Operating range is an essential parameter in infrared imaging system.

热像仪的作用距离是评价热成像系统性能的一个重要参数。

The Modulation Transfer Function is an essential parameter in satellite imaging system.

MTF是反映卫星成像系统性能的重要参数。

The view range is an essential parameter in thermal imaging system .

热像仪的视距是评价热像仪性能的一个重要参数，对系统的设计具有决定性作用。

Aerosol plays an important role in global climate change and air pollution, and also an essential parameter in quantitative remote sensing.

气溶胶是研究全球气候变化和大气污染的重要参数，也是进行定量遥感必须获得的参数。

Land surface emissivity is an essential parameter for land surface temperature retrieval from thermal remote sensing data.

地表比辐射率是用热红外波段遥感数据反演地表温度的关键参数。

Precipitation is not only an essential parameter in hydrology and in the research of water resources, but also important for the flood control of the valley and the preparation against it, as well as the construction of hydraulic and hydropower engineering.

降雨量不仅是水文和水资源研究中的一个重要参数，而且对于流域的防洪减灾和水利水电工程建设也具有重要的意义。

Soil thermal conductivity is an essential parameter for studying the coupled transport of heat, water, and solute at land surface.

土壤热导率是研究陆地表层水热盐耦合运动的基本物理参数。

Modulation transfer function is an essential parameter which characterizes imaging quality of satellite optical camera.

1引言调制传递函数是对卫星光学相机成像性能进行评估的一个重要参数，该函数反映了相机的两个重要特性，即所成图像的分辨率和对比度，它是目前评价光学相机空间特性最好的参数[1]。

Uses MATLAB software to carry on the computation to 6×4 the contractor power efficiency,discovers automobile each related parameter to the power efficient influence rule,determined the influence power efficient various essential parameter,through adjusts each kind of correlation disposition to achieve improves the entire vehicle power efficient goal.

采用MATLAB软件对6×4重型牵引车的动力性经济性进行了计算，确定影响动力性经济性的各关键参数，通过调整各种相关配置达到改善整车动力性经济性的目的，并通过整车道路试验验证计算结果，采取优化措施改善整车的动力性经济性。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。