查询词典 temperature

When this kind of converter is working at the prescribed temperature confine,it keeps being humdrum character,high precision of the conversion(linetype error ≤± 1 LSB、 differential coefficient error ≤±1 LSB), speediness(the time of establishing the putput voltage ≤3μ s), low power consume(power consume ≤ 600mW),good temperature capability(the temperature coefficient ≤30ppm), large-scale output range.

本D／A转换器在工作温度范围内保持严格的单调性、转换精度高(线性误差≤±1 LSB、微分误差≤±1 LSB)、转换速度快(电压输出建立时间≤3μs)、转换功耗低(功耗≤600mW)、温度性能好(增益温度系数≤30ppm)、输出电压幅度大(±10V)并且可以灵活应用于0～5V、0～10V、±2.5V、+5V、+10V多种输出范围。

Methods of fast Fourier transform and phase unwrap were used to demodulate the phase of the interferogram obtained from experiment, distortion of wavefront disturbed by temperature fluctuation which equals to phase shift induced by refractive index change was calculated, and a way of axisymmetric temperature field reconstruction was put into reshowing a layer of the gas temperature distribution.

通过实验得到干涉条纹，用CCD摄入计算机，经Matlab编制傅里叶变换、相位去包裹和其他数值计算程序，解调干涉条纹的相位，计算出温度扰动产生的波面畸变量，它等于折射率变化引起的相位偏移值，用轴对称气体温度场重建方法，再现了气体温度场一个层面上的温度分布。

The six cucumber materials with different low temperature tolerance were selected to be cultured in the artificial lighting incubator for 14 d under day temperature of 12 ℃,night temperature of 8 ℃,light of 8 h,light intensity of 30 μmol/(m2·s)(about 2 000 lx)and the abscisic acid,the growth hormone and the gibberellic acid(GA3) of cucumber leaves were ...

结果各黄瓜材料叶片中ABA和GA3含量均有不同程度增加，耐低温性材料越强，其增加的幅度越大，而叶片中IAA含量变化则不同，其中耐低温较强的材料增加的幅度较大，而耐低温较弱的材料有所降低，耐低温性中等的材料略有增加。内源激素含量与耐低温性的关系密切，可作为黄瓜耐低温性的间接鉴定指标之一。

The six cucumber materials with different low temperature tolerance were selected to be cultured in the artificial lighting incubator for 14 d under day temperature of 12 ℃, night temperature of 8 ℃, light of 8 h, light intensity of 30 μmol/(m^2s)(about 2000 lx) and the abscisic acid, the growth hormone and the gibberellic acid (GA3) of cucumber leaves were extracted and measured.

方法］选取耐低温性不同的6份黄瓜材料，置于人工光照培养箱中培养14 d，日间温度12℃，晚间温度8℃，光照8 h，光照强度为30μmol/(m^2.s)（约合2000 lx），对黄瓜叶片的脱落酸、生长素和赤霉素(GA3)进行提取与测定。

Result The experimental results showed that ultrasonic extraction time was 30 min, temperature was 40℃, acetonitrile-water was used as the mobile phase and the column temperature was 30℃, the drift tube temperature of ELSD was 80℃ and the air flow rate was 2.00 L/min.

结果］最终确定超声萃取，其中，提取时间30 min，提取温度40℃，以乙腈－水为流动相，柱温30℃，蒸发光散射检测器漂移管温度80℃，载气流速2.00 L/min。

The results show that the ion mobility increases as temperature rises; the influence of water vapor on product ions was reduced and the system resolution was enhanced at a higher temperature. In addition, the reactant ion yield can be effectively increased by choosing a proper temperature in drift tube, and improves the sensitivity and selectivity of system.

本研究在不同温度下进行了离子迁移率实验，结果表明，离子迁移率随温度的升高而增大，而提高工作温度可以减少水分子对产物离子的影响，有利于改善系统检测的分辨率；选择合适漂移管工作温度，能有效地增加反应物离子的产量，从而提高系统检测的灵敏度和选择性。

With the increase in the downwash flow velocity, the entrainment coefficient decreased, and the exhaust flow temperature increased, resulting in the rapid increases of the exhausting duct temperature and the suppressor surface temperature.

旋翼下洗气流速度的增加，将造成红外抑制器的引射系数降低，出口气流温度升高，出口气流温度分布均匀度增加，并使整流罩及外套特征温度迅速增加。存在一个最佳旋翼下洗气流速度，使储物仓特征温度最低。

By esterification, saponification, doubledecomposition and formulation, liquid rare earth of monoisooctyl phthalate complex heat stabilizer was prepared with phthalic anhydride, isooctyl alcohol, sodium hydrate, rare earth chloride, mixed solvent and other reagents. The optimum conditions are: the temperature of esterfication is 130～140℃,and the reaction time is 1h. The temperature and time of saponification is 60℃ and 10min respectively. The temperature of double decomposition is 60～70℃,and the reaction ti...

摘 要：以邻苯二甲酸酐、异辛醇、氢氧化钠、氯化稀土、混合溶剂、助剂为原料，通过酯化反应、皂化反应、复分解反应以及复配制备了以邻苯二甲酸单异辛酯稀土为主要成分的液态稀土复合热稳定剂，其工艺条件为：酯化反应的温度控制在 130～ 14 0℃，反应时间为 1h ；皂化反应的温度为 6 0℃，反应时间为 5min ；复分解反应的温度在 6 0～ 70℃，反应时间为 1h ；水洗温度控制在 6 0～ 6 5℃；混合溶剂的用量为 5 0 %，稀土含量为 6 0 3%；在复配过程中，采用亚磷酸酯作为辅助热稳定剂，其用量为 5 %～ 7%，PVC中加入 2 %的这种稀土复合热稳定剂，在185℃下，其热稳定时间为 4 5min。

Once the temperature of the environment exceeds the critical explosion temperature, the delayed-action time will shorten along with the temperature of the environment ascending;(2) The thermal decomposition reactivity activation energy and correlative parameters of the emulsion explosive matrix and corresponding mixture of emulison explosive with combustible oil solvent were obtained by iron-plate experiment, thereinto, the activation energy of the emulsion explosive matrix is 163.3kJ/mol.

一旦环境温度超过临界爆炸温度，随环境温度的升高，爆炸延滞期将变短；(2)通过铁板实验获得了乳化炸药基质及其与有机溶剂混合物的活化能和相关参数，其中乳化炸药基质的活化能为163.3kJ/mol。

P in Shule River Alluvial Fan Oasis in Gansu subsidized by CNSF. Through field geological and environmental observations and sampling, quartz OSL dating, organic carbon ~(14)C dating, as well as analysis of TOC,grain size and Pollen assemblage of the samples from ten sediment profiles in front fine grain sediment zone of the Shule River Fan, the results obtained as follows:(1)The vegetation evolution history on Shule River Alluvial Fan and circumjacent since about 13 ka B.P. could be divided into 6 phases: about 12.1-13.1ka, a sparse coniferous and broadleaf trees - shrub grassland, cold and wet climate; 9.2-12.1ka, shrub grassland, temperature rising but precipitation and humidity getting down; 5.8-9.2ka, sparse forest with the most flourish shrub grassland under the optimal climate; 4.3-5.8ka, coniferous and broadleaf mixed forests -shrub grassland, temperature rising slightly and getting dry; 4.3-2.8ka, grass vegetation and climate became more dry; 2.8-2.3ka, coniferous forests -shrub grassland, precipitation and temperature getting down, but a higher relative humidity.

本文依托于&甘肃疏勒河冲积扇5万年来古天气环境与古水文演化&项目，以疏勒河冲积扇为研究对象，通过对疏勒河冲积扇扇缘细土带全新世古天气和古水文演变进行了20余个剖面的观测和取样、石英OSL和~(14)C测年、粒度组成和TOC分析以及孢粉鉴定，获得了以下成果和熟悉：(1)距今约13ka年来冲积扇和周边植被演化经历了6个阶段：约13.1～12.1ka，以针叶林为主的针阔混交林～灌丛草原，天气冷湿；12.1～9.2ka，灌丛草原，气温升高，降水量较低；9.2～5.8ka，疏林灌木草原，植被茂盛，温度和降水最佳；5.8～4.3ka，以针叶树为主的针阔混交林～灌丛草原，气温较高，降水减少；4.3～2.8ka，草原植被，天气变干；2.8～2.3ka，针叶林～灌木草原，降水减少，温度降低，相对湿度有所增加。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。