查询词典 gradient

However, when both temperature gradient and compressive stress exist,the interaction between mechano-electric effect and Seebeck effect is obvious.

碳纤维混凝土的电力效应与电热效应的耦合关系明显，一方面，电力效应中包含有电热效应的贡献；另一方面，电力效应所引起的微结构变化导致碳纤维混凝土电阻的增加。

The basic principles of thermocouple temperature measurement are two different components of the composition of the homogeneous conductor closed-loop, when the temperature gradient at both ends of existence, the circuit current will have passed, at this time exist between the two ends of Seebeck electromotive force -- Thermal electromotive force, which is the so-called Seebeck effect.

热电偶测温的基本原理是两种不同成份的均质导体组成闭合回路，当两端存在温度梯度时，回路中就会有电流通过，此时两端之间就存在 Seebeck 电动势——热电动势，这就是所谓的塞贝克效应。

The use of magnetron sputtering technology, multi-layer tube wall deposition gradient selective absorption membrane.

利用磁控溅射技术在内管外壁沉积多层渐变选择性吸膜。

In allusion to the complexity in developing a strict dynamic mechanism model of distillation column and the trouble in applying the mechanism model, an optimal BP algorithm combined with conjugate gradient and self adaptive variable step is proposed, and a predicting model of distillation column is built.

针对建立精馏塔严格动态机理模型的复杂性以及机理模型应用的诸多不便，提出了一种综合共轭梯度和自适应变步长的优化BP算法，并利用该优化BP算法建立了精馏塔的预测模型。

In the Chapter 2 of this dissertation, new pulse sequences were introduced, in which CPMG and bipolar gradient pulses have been implemented into pulsed-filed-gradients spin-echo NMR spectroscopy, and is used to measure the self-diffusion coefficient of metabolites in bio-fluids.

实验结果表明，这种新方法不仅可以在生物体温或更高温度下准确测量分子的自扩散系数，不受对流和背景梯度的干扰，同时还具有复杂核磁共振谱的编辑功能，能够在不做任何物理分离的条件下，分别研究生物大分子和小分子的扩散系数，以及分子之间的相互作用。

Keywords: Fe-Cu base alloy; spinodal decomposition; gradient materials; self-formed mechanism

中文关键词： Fe-Cu基合金；调幅分解；梯度材料；自形成机理

The system of phase equilibrium data of the Fe-Cu base alloy is established relatively, the spinodal decomposition range of the Fe-Cu base alloy is calculated utilizing Thermo-Calc software, The composition range of the spinodal decomposition of the Fe-Cu base alloy is prognosticated with more accuracy; The self-formed mechanism of egg-type microstructure of the Fe-Cu base alloy with spinodal decomposition in the liquid-phase region under gravity conditions is theoretically investigated. Based on the analysis and calculation of interfacial tensile stress induced by the temperature gradient in the process of solidification, the theoretical results interpret preferably the self-formed mechanism of egg-type microstructure of the Fe-Cu base alloy through the analyzing of force states of metallic droplet in the rapid solidification.

建立了较为完整的铁铜基合金系的相平衡数据体系，利用Thermo-Calc软件对铁铜基合金系的液相调幅分解成分范围进行了计算，较准确地对铁铜基合金系的液相调幅分解成分范围进行了预测；从理论上对液相调幅分解型铁铜合金卵型结构的形成机理进行了研究，基于凝固过程中由温度梯度所导致的界面张力的分析与计算，通过考察快速凝固过程中金属液滴受力情况，较好地解释了液相调幅分解型铁铜合金卵型结构的自形成机理。

Self-recording system is devised and used to measure potential gradient at Yenching.

本篇所述，为在北平燕京大学用静电计及一连续记录器测量大气电位梯度之方法及结果测量方法，乃用一种均位器将离地面约3至6米高之电位显示于静电计上再用照相纸将此电位制成连续记录。

Methods Using conventional X ray equipments, with distance ranging from 40cm to 320cm,we selected seven distance exposure points and made sensitometry for two types of screen film system patterns(Okamoto DMS/Fuji new RX and Fuji HR Regular/Fuji HR N) and plot characteristic curves, gradient density curves and acquired characteristic values.

方法利用常规X线机在焦点胶片距离40～320cm的范围内，取7个距离曝光点，对OkamotoDMS／FujinewRX及FujiHRRegular／FujiHRN两种屏片体系样本做感光测定，绘制特性曲线、斜率密度曲线，求取特性值。

This paper proposes a Mobile Agent Data Fusion algorithm based on bayes sequential estimation for wireless sensor networks. By designing data packet and data table with specific structure, and considers MA in multihop environments and adopts gradient of Bayes sequential estimation to dispatch MA. MA accounts for performing data processing and making data aggregation decisions at nodes rather than bring data back to a central processor, redundant sensory data will be eliminated.

该算法通过构造特定数据结构的报文，在多跳环境中由Bayes序贯估计调整梯度向量，据此动态决定移动代理的访问路径，使移动代理有选择地在传感器节点之间移动，且在节点处由移动代理对数据进行融合，将多余的感知数据剔除，而不是把原始数据传输到Sink节点。

They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.

他们没有侵略性，但我大喊，并在他们的方向扔石头让他们过的线索，远离我，以防万一。

In slot 2 in your bag put wrapping paper, quantity does not matter in this case.

在你的书包里槽2把包装纸、数量无关紧要。