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This paper also studied the heat equation in equiaffine differential geometry.

本文还研究了等积仿射微分几何中的热方程。

The key of this technology is the formability and the control of the thermal stress. And these are associated with the temperature field and stress field.

熔积成形的技术关键是成形性与热应力的控制,而这些与成形过程的温度场和应力场紧密相关。

Methods Different male genital diseases 39 cases ( 9 hydrocele, 4 acute orchitis, 4 varicocele of spermatic cord, 14 acute epidiymitis and 8 other diseases) were underwent by infrared thermography and 5 cases for therapeutic monitoring, and also compared with ultrasonic and clinical study.

对男性各类生殖系统疾病39例(鞘膜积液9例、急性睾丸炎4例、精索静脉曲张4例、急性附睾炎14例和其他疾病8例,红外热影像

A series of theoretical and experimental studies on the microstrip patch antennas with dielectric superstrates is carried out systematically. Firstly, a comprehensive survey of the microstrip antenna technology and its theories are presented. Then, two analysis techniques, named as the spectral domain Green's function method and the spectral domain integral equation method are developed. The SDGF method is a simplified analysis technique, which takes advantage of the spectral domain immittance approach to find the dyadic Green's function for the stratified media, and obtains the complete closed-form formulas for radiation patterns, directivity, efficiency, gain etc. Some interesting calculated results are presented. The SDIE method is capable of determining resonant frequency, radiation characteristics, input impedance etc, for the covered microstrip patch antennas. Comparing with other full-wave analyses it reduced computation and mathematical labour remarkably. The singularities near the pole location of the surface-wave modes and the difficulty of the integral computation over infinite range of oscillating integrands are dealt with actively and documented well. Results predicted by the SDIE method agree extremely well with our experimental results for resonant frequencies of various superstrates. The superstrate effects on impedance and radiation characteristics also have been investigated experimentally so that the gap due to lack of measured data and computed results for multi-layered superstrate has been filled to some degrees and two useful observations have been achieved for weakening the resonant frequency shift and optimizing the microstrip antenna gain. As a meaningful application, the design and analysis of a 4×4 patch array are introduced.

实用微带天线普遍加介质覆盖层来防护热,物理损伤和环境影响,也可能在飞行或严酷气候条件下自然形成覆盖层本论文对带介质覆盖层的微带贴片天线系统地作了一系列理论和实验研究首先,对微带天线技术和理论作了全面的综述然后,发展了两种分析方法,称为谱域格林函数法和谱域积分方程法SDGF法是一种简化的分析技术,它利用谱域导抗法来求得分层媒质的并矢格林函数,并得出方向图、方向性系数、增益等参数的完整的闭式公式,给出了一些令人感兴趣的计算结果SDIE法能确定介质覆盖微带天线的谐振频率、辐射特性和输入阻抗等与其它全波分析方法相比,它明显减小了计算量和数学工作量已有效地处理了表面波模极点附近的奇异性和对振荡的被积函数的无限区间积分计算的困难对于不同覆盖层情况下的谐振频率,由SDIE法所预示的结果与我们的实验结果吻合得很好对于覆盖层对阻抗和辐射特性的影响也已作了实验研究这在某种程度上填补了缺少实验数据和计算结果之间的间隙,并得出了缓解谐振频率偏移和优化天线增益的两点有用的结论作为有意义的应用,介绍了一个4×4元矩形贴片天线阵的设计和分析。

METHOD:Hemotocrit and fibrinogen were determinded by capillary micromethod and capillary heat microprecipitation method in mice models with repeated cerebral ischema-reperfusion.ηb,ηp,ηh,VAL,TEL and MST were also determined.

采用反复脑缺血再灌注模型鼠,应用毛细管微量热沉法和毛细管微量法分别检测血纤维蛋白原含量和红细胞压积数值,并将结果输入全自动血液流变仪得出血浆粘度、血液粘度、血液还原粘度、血细胞聚集系数、血栓形成系数及微循环滞留时间。

Main business: Sales Main Products: Temperature instrumentation, pressure instrumentation, flow meters, material / liquid level instruments, metering equipment, control systems thermocouples, thermal resistors, wire compensation, pressure gauge, transmitter, pressure transmitter, Smart Transmitter, Level Transmitter, Flow Meter, Orifice flowmeters, electromagnetic flowmeter, vortex flowmeter, Verabar, metal tube rotameter, gas flowmeter, no NG Paperless Recorder, indicating regulator, regulator, hand fuck, and Flow Totalizer, level transmitter, pressure calibrator, process calibrator, digital pressure gauge, check simulation device, auto-calibration system.

主要业务∶销售主营产品:温度仪表,压力仪表,流量仪表,物/液位仪表,计量仪器,控制系统热电偶,热电阻,补偿导线,压力表,变送器,压力变送器,智能变送器,液位变送器,流量计,孔板流量计,电磁流量计,涡街流量计,威力巴流量计,金属管浮子流量计,气体流量计,无仪纸记录仪,显示调节仪,调节器,手操器,流量积算仪,液位变送器,压力校验仪,过程校验仪,数字压力计,校验仿真仪,自动校验系统。

Based on thermodynamics and thermo-acoustics, the effect of the pulse tube structure was analyzed. It was found that the cross sectional area of the pulse tube influence greatly the working fluid pressure and temperature distributions.

结合热力学和热声学两方面的理论,对脉管制冷机中脉管的结构进行了分析,发现脉管的截面积与其内工质压力、温度分布匹配与否,对脉管制冷机的性能有很大影响。

In recent years, IC is toward to the trend of light, thin, short and small. The QFN is with small size, light weight, coupled with excellent electrical performance and thermal performance. Meanwhile, it is also with a very low impedance and self-inductance to meet the applications for high-speed or microwave. Obviously, it attached great importance by the market gradually.

中文摘要近年来积体电路(Integrated Circuit, IC)外型逐渐朝向轻、薄、短、小的方向发展,由於QFN具有体积小、重量轻,加上杰出的电性能和热性能,同具备非常低的阻抗、自感,可满足高速或者微波的应用,因此逐渐受到市场重视。

This series oil feature excellent thermal stability over oxidization and low-temperature fluidity, low carbon residue, long life of 4-8 times of mineral compressor oil, 15% higher conductivity and 5%-10% more thermal capacity, good lubricity, high flash point(200~210℃), low solidifying point(-40℃), It conforms to the specification of ISO DAC/DAJ.

本产品具有良好的高温氧化安定性和低温流动性,积碳倾向小,使用寿命长,为普通矿物压缩机油的4~8倍,良好的润滑性,传导率较矿物油高15%,热容大5~10%,闪点高(200~210℃),凝点低(-40℃),主要指标均达到了ISO DAC/DAJ 水平!

In order to quantify the effects of radiation and temperature on greenhouse sweet pepper Capsicum annuum L.

通过不同品种、不同生态地点的温室播期试验,定量分析辐射和温度对甜椒干物质分配和果实采收指数的影响,以及果实干物质量增长和鲜质量增长的关系,建立以辐热积为预测指标的甜椒干物质分配模型,并将其与光合作用驱动的干物质生产模型以及果实干物质量增长和鲜质量增长的定量关系相结合,建立温室甜椒生长动态与产量预测模型。

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The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应,而且减少跟风的可能性。

The new PS20 solar power tower collected sunlight through mirrors known as "heliostats" to produce steam that is converted into electricity by a turbine in Sanlucar la Mayor, Spain, Wednesday.

聚光:照片上是建在西班牙桑路卡拉马尤城的一座新型PS20塔式太阳能电站。被称为&日光反射装置&的镜子将太阳光反射到主塔,然后用聚集的热量产生蒸汽进而通过涡轮机转化为电力