查询词典 temperature difference

When the pouring temperature is close to the liquidus temperature of AlSi7Mgalloy, the primary α-Alin the billets of AlSi7Mg alloy solidifies into spherical or nodular grainswhich are small and distributed homogeneously. In order to obtain non-dendritic semi-solidbillets,the appropriate pouring temperature is 615℃. The faster cooling rate,the melt flowing and largersolidification region induced by the near liquidus pouring temperature promotes theformation of spherical or nodular primary α-Al.

实验表明：当浇注温度接近液相线温度时，AlSi7Mg合金中的初生α-Al凝固成球状或粒状，晶粒细小，分布均匀；获得球状或粒状AlSi7Mg合金半固态坯料的最佳浇注温度为615℃；在接近液相线温度下浇注，较快的合金熔体冷却速度、浇注引起的合金熔体活动和大范围的同时凝固促使AlSi7Mg合金形成球状或粒状的初生α-Al组织。

According to the characteristic of Qinghai-Tibet Plateau, the paper researches on the bore bottling pile and the change process of surrounding ground temperature, and summarizes the change rule of concrete temperature and ground temperature, which can guide the choosing of antifreezing measure and concrete mixing material temperature.

针对青藏高原的特点，通过对钻孔灌注桩及其周围土层温度变化过程的研究，了解混凝土温度与地基土温度的变化规律，作为选择混凝土防冻措施和混凝土拌和料温度的依据。

The results are as follows:(1) The annual average air temperature and the annual average daily maximum and minimum air temperatures are in an increase trend,the increase of annual average daily minimum temperature is more significant than that of annual average daily maximum temperature,and the effect of annual average daily minimum temperature on the annual avera...

结果表明：翁牛特旗近50年平均气温、日最高气温、日最低气温随时间均呈增加态势；日最低气温的增加量是日最高气温的11倍；1月最低气温的线性增加率为8.77℃/100 a，7月最高气温的线性增加率为3.12℃/100 a，其结果导致日较差减少；20世纪80年代后期年平均气温、日最高气温、日最低气温显著升高。

Has established Liaoning Province year agriculture climatic resource quality synthetic evaluation indicator system, chooses the year sun bolometric radiation, the year sunshine hours, the growth season sunshine hours, the annual mean temperature using the Turle Philippines method,≥0℃ the accumulated temperature,≥10℃ accumulated temperature, temperature annual range, frost-free period, year precipitation, the growth season precipitation, the year wettability 11 concrete evaluating indicators.

建立了辽宁省年度农业气候资源综合评价指标体系，利用特尔菲法选择出年太阳总辐射、年日照时数、生长季日照时数、年平均气温、≥0℃的积温、≥10℃的积温、气温年较差、无霜期、年降水量、生长季降水量、年湿润度11个具体的评价指标。

For example, to CaSiO〓, wallastonite and cyclowallastonite could be found simultaneously in glazes between the temperature range of 1125℃±10℃, only wallastonite came out below the range, and only cyclowallastonite appeared above the range. Similarly, melilite structure and clinopyroxene structure connected with crystallization temperature. Usually, higher crystallization temperature contributes to forming melilite with simple structure and lower crystallization temperature contributes to clinopyroxene with complex structure.

如钙的偏硅酸盐，硅灰石、环硅灰石的转变温度区域为1125℃±10℃，组分适当的特定釉熔体，高于此温度出现环硅灰石，低于此温度出现硅灰石晶体结构；同样的，黄长石、辉石的出现也与温度有密切的联系，通常，晶体生长的温度较高有利于晶体结构简单的黄长石出现，晶体生长时温度较低有利于稍复杂的辉石结构的出现。

No-class-regulated was used to regulate temperature discretionarily during the service temperature range, and automatically maintain constant temperature, stabilizing with the temperature change.

在调温方式上采用无级调温方式，在调温范围内随意调节温度的高低，并且自动保持恒温，不随室温的变化而变化。

ANSYS is a finite element simulation software used to simulate the temperature field in selective laser sintering.By using the ANSYS parameter design language,the density of the thermal flow,the velocity and the path of scanning can be controlled.The effect of the scanning path on the temperature field in the SLS process is studied. Balling,which occurs at the end of the scanning line,is caused by the dissymmetric temperature field and the great temperature gradient.

利用有限元分析软件AN SY S，对激光烧结温度场进行了数值模拟，建立了激光烧结薄板的温度模型；运用APDL语言控制热源的热流密度、移动速度以及扫描轨迹；研究了激光行程对烧结温度场的影响，扫描端点温度场的不对称及较大的温度梯度造成了端点球化现象；激光扫描线间的耦合作用使端点球化现象随扫描线的增加而逐渐显著。

These advantages of EBW make its use expanding in the welding of titanium and its alloys.The microstructure and properties of TC4 alloy joints welded by the electron beam were investigated in this paper with room-temperature impact test, room-temperature tensile test, room-temperature notch tensile test, high-temperature tensile test, endurant tensile test, microhardness test and metallographic analysis.

本课题通过室温冲击、室温拉伸、室温缺口拉伸、高温拉伸、持久拉伸及显微硬度等力学性能试验和金相显微组织分析、断口扫描分析等，对TC4钛合金电子束焊接接头的组织和力学性能进行了分析和研究。

The partial least-squares regression model is built up to forecast crop leaf water potential of estival maize.Thirdly, atmosphere aspect, the low water age has been forecasting by R/S method of fractal theory in Si Chuan middle region. The chaotic behavior of agriculture meteorologic factors (average temperature, max temperature, min temperature, temperature of the earths surface, evaporators, precipitation, relative humidity, sunlight time) time series is investigated using the phase-space reconstruction technique, and the delay time and relation dimension and min embedding dimension and Lyapunov exponent and Kolmogrov entropy is calculated. The atmosphere water potential is calculated by surveyed data, and the day change law of atmosphere water potential and the relation between it and sun radiation has been discussed.

第三，关于大气方面，利用分形理论中R/S分析法对川中丘陵区的枯水年进行了预测；利用混沌理论的重构相空间技术，确定了农业气象因子(旬平均气温、最高气温、最低气温、地表温度、蒸发量、降水量、相对湿度、日照时数)的延时、关联维数、最小嵌入维数、Lyapunov指数、Kolmogrov熵，从而证明了以上各农业气象因子的时间序列具有混沌特性，为利用混沌理论预测各气象因子提供了科学依据；利用田间自动气象站的数据计算了大气水势并探讨了大气水势的日变化规律以及大气水势与太阳辐射的关系。

Installation hind is OK the special and effective high temperature that improves workshop is fuggy environment, can make the temperature inside workshop (the high temperature environment of 45 ℃ of 32 ～) drop quickly inside 10 minutes, maintain temperature in 26 ～ 30 ℃, this is the working environment with the easiest human body, can promote employee work efficiency, those who carry a product is high quality.

装置后能够特别有用的改良车间的温高凡热周围的环境，可使车间内的温度(32～45℃的温高周围的环境)快速地在10分钟内降低，且将温度维持在26～30℃，这是人身最舒坦的工作周围的环境，能够提高职工工作速率，维持制品的高品质。

"The operators will suffer a temporary decrease in the number of consumers and short message services as people may not like having to provide their ID cards for a phone number," Xu Junqi, vice-dean with the Policy-Making Institute of the Telecommunications Research Centre under MII, said yesterday.

信息产业部下属的通信决策研究院副主任徐俊其昨天说：&实行手机实名制后，人们可能不太情愿用身份证注册手机号，所以通信运营商会暂时面临用户减少和短信用户减少的问题。&

I don't believe in make-believe!

我不相信这些虚构的故事。