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研究
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  we studied
     Objective: We studied the relation of lipoprotein (a) 、platelet (PLT) and protein kinase C (PKC) in acute myocardial infarction (AMI).
     目的:研究急性心肌梗塞(AMI)时脂蛋白(a)[LP(a)],血小板(PLT)及蛋白激酶C(PKC)的关系。
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     Objective: We studied the relationship between pregnant women infection with cytomegalovirus (CMV),toxoplasma(TO) and human parvovirus (B19) and abnormal pregnancy.
     目的:研究孕妇感染巨细胞病毒(CMV)、弓形虫(TO)、细小病毒B19与异常生育的关系。
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     Objective: We studied the effect of DBcAMP on human lung adenocarcinoma cells and on the expression of lectin receptors in the cells.
     目的:研究双丁酰环腺苷酸(DBcAMP)对人肺腺癌细胞的诱导分化作用,及其与癌细胞表达凝集素受体的关系。
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     Objective: We studied the expression and significance of the vascular endothelial growth factor (VEGF) and the hypoxia induced factor-2 (HIF-2) in benign and malignant adrenal pheochromocytomas.
     目的:研究血管内皮生长因子(VEGF)和缺氧诱导因子-2(HIF-2)在良恶性肾上腺嗜铬细胞瘤中的表达及意义。
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     Objective: We studied the mutagenicity of the extract for Penicillium digitatum.
     目的:研究指状青霉(Penicillium digitatum)提取物的致突变性。
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  “:研究”译为未确定词的双语例句
     Research on the Relationship Between Accounting Information and Stock Prices: Methods of Studies and Empirical Evidences
     会计信息与股票价格之间关系研究:研究方法和经验证据
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     (2) To study the characteristics of VEGF and its geneexpression in CASS rabbit carotid arteries pre- and post-CEA, and toprovide scientific basis for experimental studying of VEGFpreventing restenosis after CEA.
     2:研究CASS家兔CEA手术前后局部动脉壁VEGF及其基因表达的特点,为下一步VEGF防治CEA后再狭窄的实验研究提供科学依据。
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     Objectives: (1)Part one: To determine the regulative effects of adenosineA~1 receptor agonist R-phenylisopropyladenosine(R-PIA) on the heat rate(HR)and the cardiac function in rats.
     目的 (1)第一部分:研究腺昔A~1受体激动剂R-苯异丙基腺苷(R-PIA)对大鼠心率和心脏功能的调节作用及其机制。
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     The dissertation is divided into three parts:Part I: Experimental Study on bladder function reconstruction with somaticreflexesObjective To reveal which nerve cell the reflex arc is composed and it'smorphological character, as well as to study the urodynaniic property by artificial reflexarc, so as to probe in the mechanism of micturition caused by knee jerk and layfoundation for clinical study.
     论文共分三部分:第一部分:利用体反射重建膀胱的实验研究目的 观察组成“膝腱─CNS─膀胱”人工反射弧的神经细胞以揭示反射弧的形态学基础:研究反射弧的电生理学特征以及人工反射弧所激发的排尿其尿流动力学特点,探索人工反射弧重建膀胱功能的有关机理,作为临床应用的理论基础。
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     Part I: The overexpression and genomic amplification of DcR3 and its significance Objective:To study the mRNA expression and genomic amplification of DcR3 in HCC, toanalyze the mechanism of DcR3 overexpression.
     第一部分:原发 癌中DcR3基因的表达和扩憎及其意义目的:研究DCR3基因在原发性肝癌中的表达和扩增情况,探讨该基因在肝癌中过度表达的原因,比较具有不同临床及病理学因素的肝癌其D。
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     RESEARCH
     研究
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     Two commercial reactive dyes, C.
     研究了C.
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     研究表明
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     Study DesignTo collect the history and radiology of the patients who were diagnosed as burst fracture.
     研究设计
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  we studied
In this paper, we studied the interaction between LPS from Salmonella Minnesota and some biomolecules using a surface plasmon resonance (SPR) biosensor.
      
We studied 10-to 27-year-old artificial forests on rehabilitated lands in the upper reaches of the Yellow River with the objective of comparing the carbon densities of various artificial and natural forests.
      
Based on the data collected from 27 plots of the Pinus armandii community in Qinling Mountains, we studied the spatial distribution pattern, scale, and gap characteristics of the P.
      
In this paper, we studied the nocturnal stem water recharge of Acacia mangium.
      
We studied the effects of nitrogen source, initial pH, temperature, incubation time, medium composition, and surfactants on cellulase production.
      
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In this paper the general synthesis problem of optimal control systems with the criterion of transient responses as a positive integral functional (3) is discussed.In the first part it is assumed that the motion of controlled object is described by a system of ordinary differential equations and that the final states of the system form a bounded and closed convex region in n-dimentional euclidian phase space. A method is proposed for finding all optimal control functions which lead any starting state into the...

In this paper the general synthesis problem of optimal control systems with the criterion of transient responses as a positive integral functional (3) is discussed.In the first part it is assumed that the motion of controlled object is described by a system of ordinary differential equations and that the final states of the system form a bounded and closed convex region in n-dimentional euclidian phase space. A method is proposed for finding all optimal control functions which lead any starting state into the given final region of states. Some conclusions are obtained from the maximum principle by using transversal conditions of optimal trajectories in terminal points, and the particular properties of the stated problem are pointed out. The case of linear dif-ferential equations with integral quadratic functional criterion is investigated in detail.Further, in the second part the fundamental properties of isoloss regions, the rela-tions between the isoloss region and optimal control functions are indicated. As a direct result a partial differential equation determining the optimal loss-function J (x) is found and the connection between function J (x)and optimal vector control function u (x) is also stated. The methods proposed are practically the extension of the me-thods used by us for designing time optimal control systems as seen in [5, 6 ,7].Finally, an example is illustrated with optimal trajectories shown in phase plane.The necessary numerical data is calculated by an analog computer with high accuracy.

文中研究了具有公式(3)表示的一般正积分泛函的最优控制系统的综合问题.在第一部分中研究了具有控制参数的一阶微分方程组.控制系统的终点状态为n维相空间内的某一逐段光滑边界的闭性区域Ω.文中指出了根据极大值原理和轨道终点的横截条件寻找引到Ω的所有最优轨迹的方法.这里详细地研究了具有二次泛函和被积函数中不明显含有控制参数的质量指标泛函的线性方程情况.在文中第二部分研究了等损耗区的主要特性.指出了等损耗区与最优控制函数之间的关系.导出了求算最优损耗函数J(x)的偏微分方程,以及这一函数与最优控制函数u(x)的关系.上述方法是我们曾在文献[5,6,7]中用过的最优快速系统的综合方法的推广.文章最后举有例证.

In this paper the logical structure of contactless telemechanical system for distributed objects is discussed. A simple method of variable system structure for transmitting and receiving telemechanical information is adopted. The idea is that the information oc-curred in every controlled point (station) and the information of some of those objects,which frequently change their states, are transmitted continually and cyclically, while for other objects their information is transmitted only after any change in...

In this paper the logical structure of contactless telemechanical system for distributed objects is discussed. A simple method of variable system structure for transmitting and receiving telemechanical information is adopted. The idea is that the information oc-curred in every controlled point (station) and the information of some of those objects,which frequently change their states, are transmitted continually and cyclically, while for other objects their information is transmitted only after any change in their states. Thus,the speed of operation will be increased, and also the error probability of system syn-chronization will be decreased. For the realization of the variable logical system struc-ture, several blocks are used repetitively. For example, two commutators and one sim-ple logical unit are used to construct a simple automatic sequential encoder, and at the same time, the two commutators are used also to operate as a matrix commutator for receiving telesignalling information etc. Therefore the system is comparatively simplified and attains a higher degree of "minimization".

本文研究了无触点集中-分散目标远动系统的逻辑结构.文中提出了采用简单的系统变结构来发送和接收信息的逻辑结构方式.对被控制点及一部分比较重要或变化比较频繁的被控制目标的信息,保留了循环传送,而对大部分变化比较慢的被控制目标则采用目标有变化时才传送信号的方式,这样就提高了系统的平均动作速度,同时也减小系统的失步概率.文中采用环节的复合利用及简化的逻辑单元线路来实现这种系统的逻辑结构.例如用两个分配器和一个简单的逻辑单元“和”线路组成了很简化的选点自动程序编码器,同时这两个分配器又复合利用兼组成目标信号接收矩阵式分配器等,因而可以使得这种系统同时又具有较高的极简化度.

This paper describes the dynamic behaviors of a selfbiased bistable multivibrator by the use of waveform analysis with special attention to the switching action of the isolation diodes and the effect of the symmetrical triggering pulse. Seven typical forms of transi-tion and four typical forms of failure are introduced in which the monotonic transition case with the grid voltage intersection point at the leading edge of the triggering pulse gives the highest dynamic stability. Experimental results are included...

This paper describes the dynamic behaviors of a selfbiased bistable multivibrator by the use of waveform analysis with special attention to the switching action of the isolation diodes and the effect of the symmetrical triggering pulse. Seven typical forms of transi-tion and four typical forms of failure are introduced in which the monotonic transition case with the grid voltage intersection point at the leading edge of the triggering pulse gives the highest dynamic stability. Experimental results are included to illustrate the main points.

研究触发器的动态过程中,我们考虑了隔离二极管的开关作用和触发脉冲的影响,介绍了一种简单直观的分析方法. 文中概括出触发器的七种典型翻转过程和四种破坏情况,指出“交点在前沿的单调翻转过程”的动态可靠性最高.文中主要论点都有实验验证.

 
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