绝热的

Based on concept of U(1)-invariant adiabatic expansion we propose an invariant perturbation theory of quantum adiabatic process, furthermore, we obtain a new adiabatic condition.

我们提出了绝热轨道、绝热演化轨道及U(1)不变的绝热轨道和绝热演化轨道等概念，重申了绝热演化的含义。并在U(1)变换不变展开的基础上给出了绝热近似不变微扰理论新的绝热条件，并进一步得到了新的绝热条件。

From the experimental investigation,there come to a conclusion that heat insulating material of fibre brucite,which has good performance indexs,could substitute for amianthus as heat insulating material,and it will ha...

从制得的绝热材料制品的指标得出结论：纤维水镁石绝热保温材料各项指标良好。纤维水镁石绝热材料有替代石棉，制成其它绝热材料制品很好的前景。

First by testing the practical multilayer insulation in a cryogenic tanker, which is the carilometer in my paper,some affecting factors on multilayer insulation are analysed, then by using the low-temperature and vacuum environment caused by multilayer insulation, the effective thermal conductivity of multiple fiber paper with 5 layers is tested.Through Newton interativemethod,an empirical formula is deduced to computer the thermal conductivity of fiber paper,The errors between experimental thermal conductivity and the calculated conductivity by empirical formula are below10%,so the formula of fiber conductivity can be applied to practical enginnering.

为探索改善工程应用中高真空多层绝热层绝热性能的方法，本文实验研究中首先测量了包扎在实际低温储罐上不同结构的高真空多层绝热层的绝热性能，并分析了环境温度、环境压力，层数、不同隔热材料的组合等因素对工程应用中的高真空多层材料绝热性能的影响；然后利用多层绝热层中的低温真空环境测量5层干法纸在不同温度区间内的表观导热系数，在有限实验数据的基础上用牛顿迭代数值拟和出计算5层干法纸表观导热系数的经验公式，对比经验公式计算值和实验测量值，发现二者的误差在10%以内，因此在工程应用中可用本文的经验公式计算干法纸在低温下的导热系数。

Of, relating to, or denoting a reversible thermodynamic process executed at constant entropy and occurring without gain or loss of heat.

绝热的属于，关于或表示在恒定熵状态下完成的可逆热力过程并且无热量之获得或损耗的

It is shown that the large-scale orographically produced perturbationsin a frictionless,adiabatic and baroclinic atmosphere can be described by athree dimensional Helmholtz's differential equation.

本文指出，对于无黏性的、绝热的斜压大气的大尺度常定有限扰动，可以用一个三维的Helmholtz 方程来描写。

The charring layer is easy to exfoliate when the combustion gas ablates the EPDM insulation at a certain angle.

结果表明，在不同烧蚀时间内，EPDM绝热层的烧蚀率表现出不同特征，EPDM绝热层烧蚀率与燃气流量成正比关系，燃气以一定角度侧向烧蚀绝热层时，炭化层极易脱落。

In this paper, based on the tight-binding Su-Schrieffer-Heeger model and by using a nonadiabatic molecular dynamic method, we investigated some unclear problems of polymers in details, such as polaron dynamic properties in different systems, the inelastic scattering processes of oppositely charged polarons driven by an external electric field,and the influence of electron-electron interactions on the dynamics of a charge polaron in conjugated polymers.

本论文基于一维紧束缚的Su-Schrieffer-Heeger模型，采用非绝热的分子动力学的方法，针对高分子聚合物中一些尚未清楚的问题，如极化子在不同体系中的动力学性质、正负极化子的非弹性散射过程，以及电子-电子相互作用对极化子动力学性质的影响等问题进行了较详细的研究。

In addition, a model computing the nonadiabatic coupling terms in photochemistry of pericyclic reactions has been suggested at the level of HuckelHubbard theory, and a series of nonadiabatic transitions for such reactions have been discussed based on the model proposed.

此外，还在H-H理论水平上建立起光化学周环反应的态-态非绝热偶合计算模型，用这种理论模型讨论了一系列光化学周环反应中的非绝热跃迁问题，获得了势能面、非绝热偶合项和立体选择性。

Experiments were carried out on a high vacuum and multiliayer insulation cryogenic vessel.

低温容器按照绝热形式可以分为：1普通绝热结构的容器；2高真空绝热容

Based on an analysis of the timer structure on the C54x, a new design scheme of an adiabatic timer is presented using the theory of three essential circuit elements for adiabatic circuits and the characteristics of the clocked transmission gate adiabatic logic circuit and its adiabatic flipflop.

为了设计低功耗定时器，首先利用钟控传输门绝热逻辑电路设计绝热触发器，然后在分析C54X的定时器结构基础上，利用绝热电路三要素理论，结合钟控传输门绝热逻辑电路及其绝热触发器的特性，提出绝热定时器的设计新方案。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。