查询词典 temperature difference

The maximum temperature exhibited significant effects on the introduction and growth of P. ponderosa. The minimum temperature was not the climate weighting factor. The minimum temperature had a major impact on the growth of P.

温度因子中最高温度常常对美国黄松的生长影响大；极端最低温度对美国黄松的生长亦有重要影响。

Environmental factors also affect degradation rate, which will increase as temperature and moisture increased , Temperature effect coefficient varies from 1.08 to 1.42, which is not in accordance with Van't Hoff rule, and it is proved that the effect of temperature on degradative rate in soil is less than that in water.

外界环境条件对咪唑烟酸的降解影响也较大，温度越高，湿度越大，则咪唑烟酸的降解越快，Q值的范围在1.08～1.42之间，与范特荷夫规则不吻合，说明温度对土壤中咪唑烟酸的降解速度影响明显低于对水解的影响。

Firstly, micro-thermal calorimeters were used to qualitatively analyze the thermochemistry behaviour of reactants system under adiabatic mode; Subsequently a series of toluene nitration experiments were carried out in an isothermal reaction calorimeter to study the influences of different operating conditions such as stirring speed feeding rate and setting temperature and so on . The thermal hazard assessment of toluene nitration was derived from the measured calorimetric data, the rate of the reaction the adiabatic temperature increase △T_ad and maximal temperature attainable MTSR_max in a runaway situation can also been derived.

首先采用微量热分析仪对反应体系在绝热状态下的热行为进行分析；再采用等温条件下的反应量热器实验研究不同的工艺条件如搅拌速度、加料速度和设定温度等参数对反应结果的影响；结合热分析数据和RCle数据，对甲苯的一段硝化过程进行了初步的热危险分析，推导出反应速率方程、反应失控条件下的绝热温升△T_和反应所能达到的最大温度MTSR等参数。

The invention relates to a kind of middle/high temperature heat pump refrigerant mixture containing trifluoroiodomethane (R13I1) and tetrafluoroethylene (HFC134a), which is suitable for using as the refrigerants for middle/high temperature heat pump system with a temperature of 60~120deg.C.

一种含有三氟碘甲烷(R13I1)和四氟乙烷(HFC134a)的中高温热泵混合工质，适合作为冷凝温度为60-120℃的中高温热泵系统的制冷剂。

The results show that the flow stress of both materials decreases with increase of temperature, and strain hardening rates at a temperature below 585 K are greater than that at the temperature above 585 K.

测试结果表明，不论是上引法连铸多晶铜还是连铸单晶铜，流动应力随温度的升高而下降，在温度低于585 K时，材料的应变硬化率明显大于在温度高于585 K时的应变硬化率。

Silk-screen printing development has a long history, and there is a lot of research for printing ink which is used for silk-screen printing of different function. These printing ink is generally used under normal atmospheric temperature terms, but high-temperature resistant silk-screen printing ink which refers to glass print and pottery print mainly now is used under high temperature.

丝网印刷发展历史悠久，对于丝网印刷采用的各种功能的油墨的研制也很多，这些油墨一般都是在常温条件下使用，而耐高温的丝网油墨则是在高温下使用，现在主要是指玻璃印刷和陶瓷印刷时用的油墨。

These printing ink is generally used under normal atmospheric temperature terms, but high-temperature resistant silk-screen printing ink which refers to glass print and pottery print mainly now is used under high temperature.

由于不同的承印材料和不同的印刷工艺，耐高温油墨所要求的印刷条件下的温度也是不同的，有的可以耐高温(600℃以上)焙烧1-2min，有的则更高可以达到1000℃以上。

When air temperature at peninsular is in its lower stage, the sea ice near peninsular is normally more heavy, air temperature in middle and East Pacific sea surface temperature is higher, which is connected with ElNino.

当南极半岛地区气温偏低时，南极半岛周围海冰偏多，罗斯海外围海冰偏少，赤道中东太平洋海温偏高，可能出现ElNino。

According to the gap in the field,the effect of mutative skin temperature on objects' millimeter wave radiation temperature is studied. The radiation temperatures of various objects with different skin temperatures are measured by 3 mm DC Dicke radiometer.The result shows the change rules of radiation temperatures of objects with different emissivities are distinct.And the effect is more obvious as the higher emissivity.Based on measured data, temperature variation coefficients of various objects are calculated by the least square method.

针对目标表面温度实时变化引起毫米波辐射变化的规律尚未被研究的现状，使用3 mm直流Dicke式辐射计对不同表面温度条件下的目标辐射温度进行了测量，发现使用不同发射率材料的目标的辐射温度随表面温度变化的规律明显不同，材料发射率越高，目标辐射温度受表面温度的影响越大。

The higher gasification temperature, the higher the relative enrichments of As, Cd, Co, Cr, Cu, Mg, Ni, Pb, Se and the lower of Zn in the high temperature coke and the low temperature coke.

痕量元素在高、低温焦中受气化温度影响变化趋势相同，即随着气化温度的升高，As、Cd、Co、Cr、Cu、Mg、Ni、Pb、Se的相对富集系数增加，Zn的相对富集系数减小，Mn、Hg、V、Sr的相对富集系数变化很小。

"Second Life is remarkably easy to work with, and is very popular,"

"第二次生命是显着容易的工作，并且很受欢迎，"

For example, we usually assume that materials are homogeneous and isotropic and free of internal defects or flaws.

为了得到适合有限元分析的模型，我们必须经过如图2所示的简化步骤。