查询词典 high temperature

Simulation experiments make sure that the dilatometer is able to detect the expansion changes in low temperature. The high temperature reheating process with dilatometer analysis indicate that the firing temperature are little higher than 900℃ for one sample and lower than 900℃ for other five samples with firing temperature ranges of 550~650℃, 650~750℃ and 750~900℃. The results from mineral composition analysis of the samples by X-ray diffraction provide further evidence of the reliability of the thermal expansion measurement.

模拟实验表明，所采用的热膨胀仪能适应低温法测温实验；用热膨胀高温法测出早期陶片中有一块样品原始烧成温度略高于900℃，其余5块样品皆低于900℃；通过热膨胀低温法较为准确地测出这五块样品原始烧成温度是分别介于550~650℃、650~750℃、750~900℃三个范围，而X射线衍射分析结果从物相成分的角度证明了测温结果的可靠性。

The oil-quenching tank uses the steel plate structure, has the square shape, the rectangle, the circular, in the fuel tank the installment has the electric heating tube, outside the trough the installment has the oil pump, the stainless steel disc heat interchanger, the automatic oil constant temperature controls the warm cabinet, its principle of work: When the work piece enters fuel tank quenching to cause frequently the oil temperature elevates, the oil pump starts to work, sucks in the stainless steel disc heat interchanger fuel tank's in high temperature oil, this time cools the circulating water to put through automatically, carries on the heat transfer through disc heat interchanger's multi-layer stainless steel plate trough, causes the quenching oil which the process cools to return to the oil-quenching tank again, so moves back and forth the circulation, achieves the fuel tank to decrease temperature the goal.

淬火油槽采用钢板结构，有方形、长方形、圆形，油槽内安装有电加热管，槽外安装有抽油泵、不锈钢板式换热器，自动油恒温控温柜，其工作原理：当工件频繁进入油槽淬火引起油温升高时，油泵开始工作，将油槽内的高温油抽入不锈钢板式换热器，此时冷却循环水自动接通，通过板式换热器的多层不锈钢板槽进行换热，使经过冷却的淬火油再返回淬火油槽，如此往复循环，达到油槽降温目的。

It can make slow changes of soil temperature. It decreased the quick changes of soil temperature caused by the sudden changes of air temperature, and maintain the normal growth of the trees, in addition, it increased air humidity in plum orchard. It eased the drought status during period of high temperature. Sown grass in plum orchard can increase soil organic substance, total N, available N, available F, and available K.

果园生草可以使土壤温度变化缓慢，缓解气温的骤变造成地温的急剧变化，维持树体的正常生长；提高果园空气湿度，缓解了旱期由于高温干旱造成的生长停滞；提高土壤有机质、全氮、速效氮、磷、钾的含量。

In the vegetation of subalpine meadow zone, temperature is relative higher and there is local high temperature center in middle slope. Temperature is lower in slope foot, and the change of temperature grads is big.

在亚高山草甸带植被中，坡面中偏下部温度相对较高，往往会出现局部的高温中心；而坡面的底部普遍温度较低，且温度的梯度变化大。

The calculative results show that the efficient thermal conductivity rises as temperature rises under a constant fiber volume fraction, and it is proportional to the third power of absolute temperature; it decreases as fiber volume fraction increases under high temperature; it increases as fiber volume fraction increases under low temperature, and it is in agreement with that is described in the literature.

此式计算结果表明：在纤维体积分率一定时，其有效导热系数随温度的升高而升高，且它是绝对温度的三次方关系；在高温条件下，其有效导热系数随纤维体积分率的升高而四川大学硕土学位论文有减少趋势；在低温条件下，其有效导热系数随纤维体积分率的增大而增大，与所查文献描述规律一致。

Temperature field in the sinter process of magnetic ferrite was numerically simulated by using finite element method. Temperature distribution of workpiece during the sinter process is concluded, where it indicates different sinter stage and different diathermanous mode. Also critical temperature is gained, it differentiates between low temperature stage mainly with convection and high temperature stage mainly with radiation.

利用有限元分析法对永磁铁氧体材料烧结过程温度场进行了数值模拟研究，得出铁氧体磁瓦在烧结过程的不同传热方式下、不同烧结阶段的温度分布规律，得出了烧结过程对流传热为主的低温阶段与辐射传热为主的高温阶段的分界温度。

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。

Extreme climate elements such as torrential rain, extreme high temperature, extremely low temperature and so on are always used to analyze and evaluate an extreme climate event. There was a continuous sleeting and freezing process with low-temperature in the beginning of 2008. The process had the characteristics of large and sustained precipitation and snowfall, deep and long-time snow accumulation, long time in daily low-temperature with not so-low extreme low temperature. Therefore, it wasn't objective and accurate to choose any single one of these elements to analyze and evaluate this process.

评估极端气候事件，往往用某一项极端气候要素进行分析评估，如暴雨量、极端最高气温等。2008年初出现的持续低温雨雪冰冻过程，具有雨雪量大、持续雨雪时间长、积雪深、积雪时间长、低温持续时间长、但极端最低气温不低的特点，用其中任一因子评估定位该过程，都不能全面反映该过程的综合影响特征。

The method is as follows: n-butyl titanate, absolute ethyl alcohol, surfactant and concentrated hydrochloric acid are fully mixed and stirred for 4 to 6 hours under room temperature to obtain precursor solution, then the precursor solution is spinningly coated on a clean conductive glass substrate of an indium oxide tin coating, and then the conductive glass spinningly coated with the precursor solution is preserved for 25 to 72 hours at the temperature of between 20 and 30 DEG C and the relative humidity of between 50 and 75 percent below, and finally undergoes a high-temperature calcination at the temperature of between 350 and 700 DEG C.

将钛酸正丁酯，无水乙醇，表面活性剂和浓盐酸充分混合，在室温下搅拌4小时-6小时得到前驱剂，然后将前驱剂旋涂在清洁的氧化铟锡镀层的导电玻璃基底上，接着在20℃-30℃，相对湿度在50％-75％下，将旋涂有前驱剂的导电玻璃保存24小时-72小时，最后经过350℃-700℃高温煅烧。

The effect and its mechanism of temperature during grain filling on rice quality were investigated by using 4 eary-indica rice cultivars with different quality and amylose content. The plants at filling stage were transferred into two phytotrons (Model PGV-36, CONVIRON, Canada), which were set two mean daily air temperatures, i.e. 22℃, optimum temperature regime and 32℃, designed as high temperature regime. The differences in quality properties and starch characteristics of rice between two temperature regimes were determined, and effects of temperature at grain-filling stage on starch biosynthesis in developing rice grains were also analyzed.

本研究以田间异季栽培试验为基础，利用人工气候箱(PGV-36型，CONVIRON)设高温(日均温度32℃)和适温(日均温度22℃)两个典型温度处理，在日温差、光照、相对湿度等因素完全一致的条件下，系统地研究了水稻灌浆结实期不同温度对早籼稻米淀粉的DSC热力学特性、RVA粘滞性、晶体结构、淀粉链长分布等理化指标的影响及其品种类型间的差异，并分析了水稻籽粒淀粉合成代谢过程中几个关键酶的温度效应特征及其与稻米淀粉合成和积累的关系。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。