查询词典 temperature difference

According to the thermal process of transformer core and winding,this paper analyzes the compositions of core loss and load loss and their impacts on top oil temperature and hot-spot temperature of a transformer,and discusses the physical meanings of the parameters of the hot-spot temperature calculation equation recommended in the standard GB/T 15164-1994(loading guide for oil-immersed power transformers).

根据变压器铁心和绕组的发热过程，详细分析了变压器铁心损耗和负载损耗的组成以及其对变压器顶层油温和热点温度的影响，从实际物理意义的角度详细解释了GB/T 15164-1994《油浸式电力变压器负载导则》推荐的绕组热点温度计算方程各参数项的含义。

Then the thermodynamic and the dynamic characteristics are further discussed, which are the inversion layer depth of the water temperature, the locations of the minima of the vertical temperature distribution and the temperature vertical gradient in the water column, as well as the baroclinity and the effect of Coriolis deflection force.

讨论了其北向扩展的热力学和动力学特征。这些特征涉及到逆温层的厚度、垂向温度和温度梯度最小值的存在，以及陆架水北向运动的斜压性和科氏力的作用

The result showed NaOH was the reasonable agent for changing pH value of cornhusk hydrolysate, and cornhusk hydrolysate could be preserved in the below conditions: pH value is pH4.0 and the sugar concentration of corn hydrolysate was from 80g/L to 160 g/L, multicomponent hydrolysate could be deposited within 48 h at the room temperature (20℃) or the low temperature (4℃) and must be preserved within 48~120 hours at the low temperature (4℃) from harmful fermentation by microorganism.

通过温度、pH、梯度总糖浓度以及调pH试剂等因素对玉米皮水解糖液存放过程中总糖浓度变化趋势的影响进行深入研究，实验结果表明：选取NaOH作为调pH试剂比较经济，且选择在80~160g/L、pH4.0条件下存放可较好保存糖液品质，确定出在0~48h范围内可选择低温(4℃)至室温(20℃)条件下存放，而48~120h范围内只能选择低温存放(4℃)，室温条件下较长存放时间的糖液易被环境微生物发酵利用掉，为玉米皮水解糖液的短期存放提供一定的帮助。

The temperature control system consists of AT89S52 single-chip microcomputer, cortege type keyboard unit , display unit and temperature control circuit of solid state relay,using microprocessor AT89S52 to collect and control temperature in real time.

温控系统由AT89S52单片机、行列式操作键盘、显示、继电器控温电路等部分组成，使用AT89S52单片机对温度进行实时的检测和控制，显示电路采用74164芯片进行动态扫描，能够同时显示当前温度和设定温度值。

The effects of mold temperature, cooling distance and casting speed on the temperature field in heated mold continuous casting of cupronickel tubes were studied by testing the mold temperature in three points and subsequently calculating with ANSYS.

采用在铸型上定点检测温度，再用ANSYS分析软件计算温度场的方法，研究了铸型温度、冷却距离、连铸速度等工艺参数对白铜管热型连铸温度场的影响。

The graph of cyclic voltammetry shows that when the temperature is lower than 55℃ the passivation film's structure is more steady, when the temperature is 55℃ its stability tends to worsen and when the temperature exceed 55℃ its stability declines.

钝化膜的循环伏安曲线显示当温度低于55℃时，钝化膜结构比较稳定；当温度为55℃时，钝化膜稳定性趋向恶化；当温度超过55℃时，钝化膜稳定性下降。

Bottom simulating reflector ; Miniature temperature probe ; Gas Hydrate ; Temperature gradient ; Cylindrical temperature decay function

指导教授徐春田；中文关键字仿拟反射层；小型温度探针；天然气水合物；背景温度梯度；圆柱体温度衰减函数

Fluorescent decay temperature measurement principle was used to measure the temperature,for improving the performance of this kind of method as it has not yet reach the theoretical predict,an optimization method of enhancing the performance was brought forward,which including:(1) The trend of non-exponential variation of the actual fluorescent decay curve is the main factor leading to the result that the temperature measurement performance is not as good as describe by theoretical predict.

这一发现可用来开发高性能的荧光余辉测温装置；(2)提出截断归一化方法，通过图解和计算，得到荧光余辉非指数倾向程度的量化指标，用来优选荧光材料；(3)提出优化荧光余辉测温装置的设计概念，即物理现实、数学模型及数据处理方法要尽可能匹配，才能有效的提高装置测温性能；(4)仿真与实验验证了上述理论与方法的有效性。

These record of time and the change of calorimeter temperature, adopt Reynolds temperature correction to evaluate the change of calorimeter temperature, calculate the decompound enthalpy of solid.

采用雷诺温度校正曲线法，求出样品燃烧前后系统温度的变化值，用盖斯定律计算出固体物质的分解焓。

During construction, typical sections are selected to carry out the temperature field test and the elevation of girder of T structure is measured synchronously. The changing character of temperature gradient and its 2 key parameters are generalized and the deflexion of"T"structure is analyzed in view of temperature field.

在施工过程中，选取典型断面进行了温度场试验，并对最大悬臂状态的T构主梁的线形进行了同步观测，总结了温度梯度及其两个主要参数的变化规律，将三维温度场问题简化为一维温度梯度问题。

When this condition occurs, inbound replication with the source partner is stopped on the destination domain controller and event ID 2042 is logged in the Directory Services event log.

计算机密码学是研究计算机信息加密、解密及其变换的科学，是数学和计算机的交义学科，也是一门新兴的学科。

Instructions: click on the thumbnails to see a larger image, then use the left-right arrow keys to scroll through the slideshow.

使用说明：滑鼠点在小图上即可放大观赏。开启后键盘左右键可用来换照片。