For the purpose of high temperature gradient , liquid metal cooling with circulatory water cooling is used directly to cool the sample , and at the same time , radiation baffle with appropriate size and shape is needed 该装置采用了双区加热和液态合金直接冷却技术，再配以合适的辐射挡板，可以提高液固界面处的温度梯度。
A new wavelength beam combining technique for a high - power laser diode bar by using a temperature gradient heat sink is proposed . the thermal controlling principle of the temperature gradient heat sink is discussed 通过一个具有温度梯度的热沉( temperaturegradientheatsink ) ，使二极管棒在慢轴方向上形成线性的波长分布。
The saffman force does not affect the axial velocity of the flow , while it change the concentration of the particle . the gas - particle two - phase flows in the present of temperature were also numerical simulation 讨论了绝热、有温差和添加热泳力三种情况下的两相流场，分析了温度梯度、湍动能、轴向速度和颗粒浓度的变化。
In addition , similar analyses on soil water and salt characteristics in insufficient trickle irrigation were conducted . all these laid foundation for studying and analyzing the same problems in temperature fields 此外，对滴灌非充分供水入渗过程的水盐变化规律做了类似的分析，从而为考虑温度梯度作用下的同类问题研究与分析打下基础。
Single crystal with 15mm in diameter and 30mm in length was growen . the temperature gradient was 40 ? / cm and the growing speed was 10mm / day . analysis of x - ray diffraction showed the crystal is aggas2 single crystal 在40 cm的温度梯度、 10mm day的生长速率条件下生长出直径15mm 、长度30mm的晶体， x射线衍射分析表明是aggas _ 2单晶体。
As crystallization progresses across the temperature gradient , it is possible to move the sample by precise stepper motor control ( at specified rate ) in the opposite direction so that the crystallization front remains in the field of view 当沿着温度梯度方向发生结晶过程的时候，可以向相反方向通过高精度步进马达移动样品，这样可以把结晶前沿始终保持在视域中。
Three - dimensional finite element model for the calculation of steady temperature field and thermal stress of the cws nozzle were established according to the structure of cws nozzle and its working conditions 根据水煤浆喷嘴的结构和喷嘴工作情况，建立了水煤浆喷嘴三维稳态温度场和热应力的有限元模型，确定了边界条件，分析求解得到陶瓷水煤浆喷嘴的温度场、温度梯度和热应力。
Here is the result , during yvo4 odd - crystal growing under cz method , while fusibility contain nature - convection by temp - grads and impose - convection by crystal - circumvolve , which make it difficult to growth large dimension odd - crystal 数值模拟的结果表明，在cz法生长yvo _ 4单晶过程中，由于熔体中存在着因温度梯度引起的自然对流和晶体旋转引起的强迫对流，使生长大尺寸单晶有着一定的困难。
The great engineering software ansys was used to simulate the induction heating process of a continuous casting square billet in multi - physical coupling field based on the electromagnetic induction and heat exchange theory 摘要根据电磁感应理论及传热基本原理，利用大型工程软件ansys对连铸方坯的感应补热过程进行了多物理场耦合的有限元模拟，并对铸坯断面上的温度梯度、磁场分布等进行了分析。
On the contrary , if temperature gradient is relatively low , combustor only undergo low compressive stress at high temperature . the combustor of engine has a longer life length . these results can provide some reference for maintain and design for gas turbine combustor 分析也表明，若在起动过程中筒壁的温度梯度较为平缓，火焰筒的气膜唇边在起动完成后始终受微小的压应力作用，火焰筒的寿命可以大大延长。
