循环效应

本文阐述了相转移催化反应的循环模型以及各种催化剂的循环效应，并从热力学和动力学原理两方面讨论了影响循环效应的几种主要因素。

The paper describes the cycling models of PTC and the cycling effect of various catalysts . Furthermore , some main elements that affect the cycling effect are discussed on the principle of thermodynamics and dynamics .

以序贯法研究不同剂量的P对小鼠静脉注射K的半数致死量（LD50）的影响，并探讨P对清醒家兔静注K的呼吸循环效应的影响。

The influence of P on the circulatory and respiratory effects of K was studied in rabbits .

同时考虑LED中的光子循环效应，并对LED激活层中热载流子的扩散方程进行分析，可以得到转换过来的近红外光的空间分布情况。

Considering the photon recycling effect in the LED , and analyzing the carrier diffusion equation in the active layer , the output NIR spatial distribution can also be obtained .

M-3抗荷动作的呼吸循环效应

Effects of M-3 maneuver on respiration and circulation

主动按压减压心肺复苏术循环效应的临床研究

Clinical Investigation of Hemodynamic Response to Active Compression-Decompression Resuscitation

干湿循环效应对膨胀土抗剪强度的影响

The Influence of Alternate Dry-wet Effect on the Strength Characteristic of Expansive Soils

基于主成分分析法的流域水循环效应

Study on hydrological cycle effect in river basin based on principal component analysis

目的比较标准心肺复苏、主动按压减压心肺复苏两种复苏模式循环效应的影响。

Objective To compare the hemodynamic response of standard cardiopulmonary resuscitation ( STD-CPR ) with active compression-decompression cardiopulmonary resuscitation ( ACD-CPR ) .

结果表明，曲马多可强化吸入麻醉药，大剂量时还有明显的循环效应。

The present results indicate that tramadol can potentiate the inhalation anesthetic , and large dose of tramadol has marked effects on hemodynamics .

保持自己的社交圈活络具有循环效应：别人会认为你有很多朋友，结果你也确实交上越来越多的朋友。

Keeping your social network interconnected has a circular effect where you 're perceived as having many friends , thereby gaining you even more .

通过空间环境地面模拟实验方法，研究了低能质子辐照及其与热循环效应协同作用下背场硅太阳电池电性能的变化。

The Change in electric properties of back-field silicon solar cell was investigated under the proton irradiation followed by thermo - cycling by means of ground-based simulation for space environment .

与静强度试验相比较，由于动力作用的速率效应和循环效应的综合影响的结果，在小的中值应变速率下，破坏提前，破坏应变减小，动强度降低；

As compared with static test , the dynamic strength is lower , the failure time is moved up and the strain for failure is less when the median strain rate is low ;

居民之间的收入差距直接导致低收入居民对人力资本投入不足，最终形成教育投资水平与收入水平的循环效应。

The income gap between residents of low-income residents a direct result of inadequate investment in human capital , the final form of investment in education level and income level of the cycle .

针对主成分分析法能解决多因素影响的优点，分别介绍了主成分分析法的原理和算法，并将其运用到流域水循环效应综合评价中。

In light of the merits of principal component analysis in solving the influence of multifactor , the principle and Algorithm of this method are introduced in detail ; and then performing this integrated evaluation technique on hydrological cycle effect in river basin .

英语教学的研究和评估是实现教学与文化紧密融合的交际实践，学生可以通过语言和文化的学习来适应学习过程需求，从而产生真正意义上的良性循环效应。

Research and evaluation of English language teaching is communicative practice to achieve close integration between culture and teaching , students can learn the language and culture to adapt to the needs of the learning process , and produce a virtuous circle effect with real significance .

方法采用经家兔椎动脉微量给药的方法，明确KT循环兴奋效应与中枢交感神经系统的关系。

Methods Microdose KT was given by intra-vertebral arterial infusion ( IVAI ) in rabbits to explore the relationship between the excitatory cardiovascular effects of KT and the central sympathetic nervous system .

因此HO-AEP的研究具有广阔的临床应用前景。然而，HSR-AEP的瞬时分量产生重叠的问题是无法通过传统的平均方法解决的，其重叠过程在工程学上可视为HO-AEP与刺激序列的循环卷积效应所导致。

Therefore , the study of HO-AEP is promising in clinic application . However , the overlapping problem of the HSR-AEP cannot be unwrapped by averaging method . From the engineering point of view , the HSR-AEP results from the convolution of a HO-AEP and a binary stimulus sequence .

水循环生态效应与区域生态需水类型

Ecological effect of water cycling and classification of regional ecological water demand

考虑应力主轴循环旋转效应的砂土弹塑性本构模型

An elastoplastic constitutive model of sands considering cyclic rotation of principal stress axes

基于资源分工理论的固体废物循环经济效应分析

The Analyze of the Recycling Economy Effect of Solid Waste Based on Resource Division

考虑循环软化效应的软基上深埋大圆筒结构承载力分析

Analyses of bearing capacity for deeply-buried large-diameter cylindrical structure on soft clay considering cyclic-softening effect

内毒素对冠状动脉循环的效应

Effects of Endotoxin on Coronary Circulation

其抑制气道炎症、改善肺通气功能的作用可能与抗菌、祛痰平喘、改善血液循环等效应有关。

The mechanisms may be related to antibacterial , expectorant and antiasthmatic , improving blood circulation .

近年来，随着循环经济效应的逐步显现，人们开始重视逆向物流的管理与实践。

In recent years , with the development of the recycle economy , people have paid , more and more attention to the management and application of reverse logistics .

海洋产业集聚的时空特征是各因素、各层次系统内部与系统之间复杂作用及循环累积效应作用下的外在表现。

The spatio-tempora characteristics of marine industrial agglomeration is the external manifestation of the complex interaction and mutual interaction of various factors , various systems , with cumulative causation theory .

但是，由于其结构构造复杂、焊接残余应力问题、内部缺陷（应力集中）、循环荷载效应等诸多不足也限制了正交异性钢桥面板被进一步应用与推广。

However , orthotropic steel panel also has many deficiencies such as complex structure , welding residual stress , the internal defects ( stress concentration ), circulating load effect and so on .

该模型具有可较好地考虑应力主轴循环旋转效应以及对不同条件下各应变分量及体应变的发展过程进行合理模拟的能力。

The obvious advantage of the constitutive model is confirmed by the reasonable prediction of the developments of strain components and volumetric strain in various conditions including principal stress axes rotation . 3 .

形成区域间市场发育程度不同的原因：政策体制环境差异、循环累积效应、地方市场分割，加剧了区域间市场发育程度的差距。

It is these reasons for the variety of market growth in different degrees , including the environmental deviation in political system , the circulating cumulative effect , and the local market segmentation ; also , these factors intensify the gap of market growth degree among regions .

这样，就在FDI和地区经济增长之间形成一种区域循环累积因果效应。

In this way , a kind of regional circulation and accumulated effect is to be formed between FDI and the regional economic growth .

岩溶地区大气CO2浓度较非岩溶区低，土壤CO2浓度较非岩溶地区高，因此，岩溶区土壤CO2的源与汇问题成为碳循环和温室效应研究的重点。

The research on dynamics of soil CO2 concentration is very important to research on the dynamics of atmospheric CO2 The atmospheric CO2 concentration in the karst district is lower than other districts .