The result shows that temperature-induced discontinuous liquid structural change affects the solidification behavior and microstructure remarkably.
液-液结构转变对凝固行为和凝固组织产生了明显的影响。
In recent years, it has been found that many alloys' melt experienced temperature-induced discontinuous L-L structure transition at a certain temperature above liquidus.
近年来的研究不断发现,很多合金熔体在熔点以上一定温度范围内会发生温度诱导的非连续液-液结构转变。
In recent years, it has been shown that many binary alloy melts experience temperature-induced discontinuous liquid-liquid (L-L) structure transition hundreds degrees above the liquidus.
近年来研究发现,很多二元合金在熔点以上一定温度范围内发生温度诱导非连续液-液结构转变。
Additionally, the temperature changes induced by a shutdown in the North Atlantic heat conveyor system are too small to explain the Younger Dryas.
此外,北大西洋热输送系统关闭所引起的温度变化太小,无法解释新仙女木天气。
Homogeneous pumping induced time dependence of temperature distribution in Bolid state laser rods during pumping is. Calculated.
计算了在光泵期间均匀光泵引起激光棒中温度分布随时间的变化。
It has the characteristics of fast induced, precise temperature maintenance and easy-control rewarming speed.
它具有诱导过程快、温度维持精确和复温速度容易控制等特点。
Temperature stress induced by long pouring section is prevented by pouting concrete in different groups, areas and layers.
对原煤筒仓仓壁混凝土分组、分区域、分层浇注,解决了混凝土浇注区段过长引起的温度应力问题。
Experiments results show that hardware design and software development meet the requirements for measurement of electron temperature and density of laser induced plasma.
试验结果表明,硬件设计和软件系统的开发与集成满足了激光焊接光致等离子体电子温度和密度的测量要求。
The thermal nonreciprocity in sensing coil is one of sources induced temperature drift in FOG , so the fiber loop is usually wound by quadrupole(QAD) symmetrical technique.
敏感线圈的热非互易性是引起光纤陀螺温度漂移的重要因素之一,因而人们多采用四极对称技术(QAD)绕制光纤线圈。
Methods the chronic bronchitis of the mice was induced by sole cigarette smoking under the conditions of cold and room temperature.
方法:在寒冷与室温不同的条件下单纯用香烟熏吸造成小鼠的慢性支气管炎。
High temperature resistance (HTR) of plant is a kind of resistance of low infection type, which is induced by higher environment temperature.
植物的高温抗病性是由较高的环境温度所诱导的一种低反应型抗病性。
The course of stamen abortion induced by high temperature started from the primordium stage in the stamen development and once this occurred it became irreversible despite of lowering the temperature.
由高温引起的雄蕊败育过程始于雄蕊原基时期,这个过程一旦启动,雄蕊败育将不会因重新将它转入低温而逆转。
Shape memory effect of alloy is obtained by making use of martensitic phase transformation induced by stress or temperature. Shape memory alloy is a new kind of function materials.
形状记忆合金利用应力诱发马氏体相变或温度诱发马氏体相变实现形状记忆效应,是一种新兴的功能材料。
Symmetry breaking of temperature field in spatially distributed pure dissipative systems induced by chemical reaction diffusion heat conduction couplings is analyzed in this paper.
分析了由于化学反应-扩散-热传导耦合而导致的非等温非均匀体系中温度场对称破缺。
The effect of a volumetric heat source induced by pulse laser heating in the temperature fields of a fine round ceramic bar was investigated experimentally and theoretically.
用脉冲激光模拟微小圆柱陶瓷棒的脉冲内热源情形,实验研究了脉冲内热源对圆柱陶瓷端面温度场变化施加的影响。
We developed a new process for low temperature crystallization of amorphous silicon films, by metal induced crystallization of amorphous silicon films at low temperature.
介绍了一种非晶硅薄膜低温晶化的新工艺———金属诱导非晶硅薄膜低温晶化。
According to the feature of the temperature distribution induced by laser scanning, the simple formulas for the fast calculation of the hardened case are set up.
根据激光扫描时工件内温度场及硬化层的分布特征,提出了简便实用的硬化层预测计算公式。
This operating mode can also solve problems associated with very high temperature operation where conventional controllers cease to deliver current due to temperature induced PV voltage reduction.
这种操作模式也可解决与操作温度高的传统控制器的问题,传统控制器由于温度造成PV电压而终止输送电流。
The effect of loading rate, test temperature and pre-plastic deformation on hydrogen induced apparent yield stress reduction have been investigated.
研究了变形速度,试验温度以及预先塑性变形程度对氢致表观屈服强度下降的影响。
The principles and the experimental results for temperature measurements by laser induced predissociative fluorescence (LIPF) are presented.
介绍了激光诱导预分离荧光法测温的原理及实验结果。
During the photoelectric conversion process of output signal from optical torque sensor, DC level drift error induced by temperature influence will affect the measuring accuracy of the system.
光扭矩传感器的输出信号在进行光电转换过程中,由于温度影响,造成了直流电平漂移误差,影响系统的测量精度。
The fluorescence induced by laser in heated oil has increased intensity with heating time and heating temperature.
本文报道了几种精炼油加热后的激光诱导荧光强度的变化与加热时间及温度的关系。
By using signal latching technique on temperature contrcller, the measurement error caused by electric network fluctuation induced by start-up and shut-off motor can be eliminated.
对控温信号采用了锁存技术,可以消除电机起动与停止导致电网波动所引起的采样误差。
The influences of strain and temperature on microstructure of AZ91D alloy for upsetting in the strain-induced melt activation process were investigated.
研究了AZ 91d镁合金在应变诱发熔化激活法处理过程中形变率和形变温度对组织的影响。
In this paper, finite element method (FEM) of axisymmetric linear elastic model has been used to calculate the tilt and strain induced by small annual temperature variations in a deep tunnel.
利用轴对称线弹性模型有限元方法,计算了洞室中温度微小年变化引起的地倾斜和地应变。
The high temperature resistance of wheat to the stripe rust is a kind of low reaction type of resistance induced by relatively higher temperature.
小麦高温抗条锈性是在较高温度下所诱导的一种低反应型抗病性。
It may be a compensatory reaction permitting the radiation of heat to offset the atropine-induced rise in temperature.
这可能是一种代偿反应,通过热辐射以消除阿托品引起的体温升高。
Two kinds of crackings show that the tensile stress induced for asymmetric temperature distribution during laser rapid forming processing is the external reason which results in cracks.
两种开裂都说明激光快速成形过程受热不均匀所引起的拉伸应力是产生熔覆裂纹的外在原因。
The results in change of in-situ temperature field and the influences of induced stress due to thermal stress field on the initial fracture condition are analyzed.
据此,分析了这些变化导致的热应力引起的附近应力对注水井井壁开裂条件的影响,并建立了常注水量条件下注水井的井壁开裂准则。
The results in change of in-situ temperature field and the influences of induced stress due to thermal stress field on the initial fracture condition are analyzed.
据此,分析了这些变化导致的热应力引起的附近应力对注水井井壁开裂条件的影响,并建立了常注水量条件下注水井的井壁开裂准则。
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