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     It Was found that (1) at pH2 the characteristic OD bands are shown at 304 nm(+), 260nm(-), 250 nm(+).
     发现:(1)在pH2下与Hg2+重组MTs的CD谱特征峰是304nm(+)、260nm(一)、250nm(+)。
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     but in 73 NIDDM patients with urinary mALB(-), from high to low the positivity were urinary NAG /Cr, GaL/Cr, Tf/Cr and K, λ chain, therewere none signficant differences (P<0.05 ).
     在mALB(一)的73例NIDDM病人,阳性检出率以NAG/Cr最高,其余依次为Gal、Tf/Cr、K,λ,但未见显著性差异(P<0.05)。
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     THE PRIOR ESTIMATES OF DIFFERENCE SOLUTIONS FOR THE FIRST BOUNDARY PROBLEMS OF NONLINEAR Schr dinger TYPE EQUATIONS(-)
     非线性Schrodinger型方程组第一边值问题差分解的先验估计(一)
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     The bigger polymers were cloned into Smal site of plasmid pGEM-3zf (-).
     回收的大于300bp多聚体还被克隆到质粒pGEM-3Zf(一)中。
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     omplementary DNA of eighth largest segment (S8)of Rice Dwarf virus (RDV)which encodes the virdl outer capsid protein was synthesized and amplified by p olymerasechain reaction(PCR)The product was cloned intopGEM3Zf(-).
     从水稻矮缩病毒(RDV)中国福建分离物中分离出基因组第八号片段dsRNA,经逆转录合成cDNA,应用聚合酶链式反应技术扩增了编码区cDNA,并克隆在pGEM3Zf(一)载体上。 该片段编码病毒外层外壳蛋白。
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  “(一)”译为未确定词的双语例句
     Construction of pcDNA3.1(一)/hTGF β_3 and the Stable Expression System of NIH3T3 Fibroblast with hTGF β_3 and the Study on the Proliferation of the Stable Transfection of NIH3T3 Fibroblasts
     pcDNA3.1(一)/hTGF β_3及其转染NIH3T3成纤维细胞的稳定表达系统的构建与生长增殖活性研究
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     STUDY ON THE HYDRATES THE CBC MATERIALS DEVELOPED IN THE CaO SiO 2 P 2O 5 H 2O SYSTEM
     CaO-SiO_2-P_2O_5-H_2O体系中CBC材料的水化产物(一)水化产物组成
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     The serum AFP examination showed 21 cases higher than 400ug/L, 11 cases lower than 200ug/L, 6 cases between 200ug/Land 400ug/L.
     血清AFP检测>400ug/L21例,在200ug/L~400ug/L之间6例,(一)/<200ug/L11例。
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     An efficient method for synthesis of (1R, 3R, 4S, 5R)-3-tert-Butyldiphenylsilyloxy-1, 4-dihydroxy-6-oxabicyclo [3. 2.1]-octan-7-one starting from (-)-quinic acid is described.
     报道以(一)-奎尼酸为手性源有效地合成(1R,2R,4S,5R)-1,4-二羟基-3-二苯叔丁硅氧基-6-氧代双环[3.2.1]-辛-7-酮的方法。
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     Study on the Chinese Structure "[(一)(量)]名" and Its Corresponding Forms in English
     汉语“[(一)(量)]名”结构及其英语对应形式的研究
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     L-1 h for buccal tablet and syrup respectively .
     L’.
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     L~(-1).
     Ll。
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     Combinatorial Identities of the New Type I
     新型组合恒等式
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The purpose of this note is to prove, as Lusztig stated, that the Euler characteristic of the variety of Iwahori subalgebras containing a certain nil-elliptic elementnt istcl wherel is the rank of the associated finite type Lie algebra.
      
In the present paper we study the remaing nontrivial case, that of a negative central charge-N.
      
The method applies to the standard arithmetic subgroups ofSO(n,1) (a case which was proved previously by Millson [Mi]), to the non-arithmetic lattices inSO(n,1) constructed by Gromov and Piatetski-Shapiro [GPS] and to groups generated by reflections.
      
In the case of 4-dimensional anticommutative algebras a construction is given that links the associated cubic surface and the 27 lines on it with the structure of subalgebras of the algebra.
      
In the case of 3-dimensional commutative algebras a new proof of a recent theorem of Katsylo and Mikhailov about the 28 bitangents to the associated plane quartic is given.
      
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We show that wonderful varieties are necessarily spherical (i.e., they are almost homogeneous under any Borel subgroup ofG).
      
This paper is devoted to a systematic study of quantum completely integrable systems (i.e., complete systems of commuting differential operators) from the point of view of algebraic geometry.
      
This implies that a system is algebraically integrable (i.e., its eigenvalue problem is explicitly solvable in quadratures) if and only if the differential Galois group is commutative for generic eigenvalues.
      
Let denote an orthogonal symmetric Lie algbra and let (G, K) be an associated pair, i.e., Lie(G = and Lie(K°) =.
      
Lower degree bounds for modular invariants and a question of I.
      
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We use the theory of tilting modules for algebraic groups to propose a characteristic free approach to "Howe duality" in the exterior algebra.
      
The purpose of this note is to prove, as Lusztig stated, that the Euler characteristic of the variety of Iwahori subalgebras containing a certain nil-elliptic elementnt istcl wherel is the rank of the associated finite type Lie algebra.
      
In our paper [KR] we began a systematic study of representations of the universal central extension[InlineEquation not available: see fulltext.] of the Lie algebra of differential operators on the circle.
      
In the present paper we study the remaing nontrivial case, that of a negative central charge-N.
      
In this note we present a very simple method of proving that some hyperbolic manifoldsM have finite sheeted covers with positive first Betti number.
      
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In ordinary sampled-data control systems the system response to a step input can reach its equilibrium state only within n or more sampling intervals (n is the order of the controlled plant). In this paper multiple-impulses are used, instead of ordinary simple impulses, to speed up the system response. In such sampled data systems the system response to step input can reach its equilibrium state within less than n, even one, sam-pling intervals. Methods of design of such kind of sampled-data systems and their...

In ordinary sampled-data control systems the system response to a step input can reach its equilibrium state only within n or more sampling intervals (n is the order of the controlled plant). In this paper multiple-impulses are used, instead of ordinary simple impulses, to speed up the system response. In such sampled data systems the system response to step input can reach its equilibrium state within less than n, even one, sam-pling intervals. Methods of design of such kind of sampled-data systems and their com-ponents are discussed. In the last part of the paper methods of compensating sampled data systems with dead time elements is also considered.

在通常的脉冲控制系统中,当输入信号是阶跃函数时,系统的过渡过程至少在n个采样周期内才能完全结束(n是控制对象的阶数).文中考虑了采用宽度不等的多拍脉冲代替通常的单拍脉冲以加快系统的过渡过程.在采用多拍脉冲以后,系统的过渡过程可以在少于n个采样周期内,甚至在个采样周期内完全结束.文中叙述了这种脉冲系统的综合方法,也讨论了系统中有关组成部分——脉冲组成器和校正装置——的构成方案及其参数的计算方法.最后并考虑了由于时滞引起的对系统动态特性有害影响的补偿问题.文中举有例题,对文中各节内容作必要的说明.

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)表示的般正积分泛函的最优控制系统的综合问题.在第部分中研究了具有控制参数的阶微分方程组.控制系统的终点状态为n维相空间内的某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.

 
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