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     Electrooptic Q Switching of the Nd:YVO_4 Laser Without an intracavity Polarizer
     用内腔偏振镜的Nd:YVO_4电光Q开关激光器
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     WAVE FUNCTIONS WITHOUT SU_6 SYMMETRY IN THE STRATON MODEL AND THEIR APPLICATIONS
     层子模型中的具有SU_6对称的波函数及其应用
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     SEM INVESTIGATION ON HIGH TEMPERATURE OXIDATION OF Fe-23Cr-6Al ALLOYS (WITHOR WITHOUT La, Ce AND Y ADDITIONS)
     Fe-23Cr-6Al合金(含稀土及加La,Ce和Y)高温氧化的扫描电镜研究
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     Boundary-Type Quadrature Formulas without Derivative Terms
     带微商的边界型求积公式
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     A STUDY OF Al-7%Si-0.3%Mg ALLOY (ZL101) CONTAINING Sb CONTENT WITHOUT MODIFICATION
     需变质处理的含锑铝硅合金(ZL101)的研究
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     A METHOD OF FREQUENCY STABILITY MEASUREMENT WITHOUT FREQUENCY STANDARD
     在没有标准频率信号源的情况下测量振荡器频率稳定度的一种方法
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     REDUCED LARGE-N LATTICE GAUGE THEORY WITHOUT SPONTANEOUS SYMMETRY BREAKING
     没有自发破缺的约化大N格点规范理论
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     Planning without Facts: A Framework for Economic Evaluation of the Three Gorges Project
     在没有具体资料的情况下谈规划:关于三峡水坝工程经济评价的设想(摘要)
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     AR 5060: An Ative Region with Large Comeplex Sunspot group but without intense flares
     AR5060——具有复杂结构的大黑子但没有大耀斑发生的太阳活动区(英文)
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     EXISTENCE OF SOLUTIONS OF TWO-POINT BOUNDARY VALUE PROBLEMS FOR FOURTH-ORDER NONLINEAR DIFFERENTIAL EQUATIONS WITHOUT GROWTH RESTRICTIONS
     没有增长限制条件的四阶非线性方程两点边值问题解的存在性
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     An Active Compensated Differential Integrator Without Matched Operational Amplifiers
     无需匹配运算放大器的有源补偿差动积分电路
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     Calculating Analysis of Acid-Base Titration Without Standard Solution
     无需标准溶液的酸碱滴定计算分析研究
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     Ball milling with 1.00% Pd could significantly improve the hydriding/dehydriding(H/D) performance of nanocrystalline Mg2Ni. Comparing with the Mg2Ni alloyprepared by melting,the sample could easily absorb hy-drogen at 423 and 473 K under the initial hydrogen pres-sure of 1.17 MPa without activation.
     添加1.00%Pd机械球磨,可显著地改善纳米Mg2Ni合金的吸/放氢动力学性能,在初始氢压为1.17 MPa、温度为423和473 K时,同熔炼法制备的合金相比,材料无需活化即可快速吸氢;
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     It can achieve a unity power factor and a very high step-down ratio that enables driving a single high-brightness LED from the 85~264Vac input without a need for a power transformer.
     它可以从85~264 Vac的输入驱动单个高亮度LED灯,无需电源变压器,并获得单位功率因数和非常高的降压比。
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     Based on 0.6μm BiCMOS technology, a high performance undervoltage lockout circuit (UVLO) without the reference voltage and comparator is designed.
     基于0.6μm BiCMOS工艺设计了一种无需基准电压源和比较器的高性能欠压封锁电路(UVLO)。
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     Research on Underwater Passive Target Motion Analysis in Three Dimensions Without Maneuver
     非机动水下三维被动目标运动分析研究
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     Expression of Zinc Finger Protein A20 and Its Anti-inflammation Effects after Trauma with or Without Infection
     创伤合并感染时锌指蛋白A20的表达变化及其抗炎作用研究
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     CRP Expression and Analysis of HLA-DRB1, HLA-DRB1*04 Gene Polymorphisms in Type 2 Diabetics with or without Macrovascular Complication
     2型糖尿病大血管病变中CRP的表达及HLA-DRB1、HLA-DRB1*04基因多态性分析
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     Study on Parallel Inverter System Without Output Transformers
     无输出隔离变压器的逆变器并联系统研究
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     A RAPID METHOD OF MICRODETERMINATION OF NITROGEN IN ORGANIC COMPOUNDS USING COBALTOCOBALTIC OXIDE Ⅱ. A COMBUSTION METHOD WITHOUT PERMANENT OXIDIZING FILLING
     有机化合物中氮的快速微量测定法——Ⅱ.不用固定氧化填充剂的燃烧法
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We prove a more general version of a result announced without proof in [DP], claiming roughly that in a partially integrable highest weight module over a Kac-Moody algebra the integrable directions from a parabolic subalgebra.
      
A Discrete Wavelet Transform without edge effects using wavelet extrapolation
      
The supports of functions are described in terms of their modified Mellin (or inverse Mellin) transform without passing to the complexification.
      
Without a fast transform, evaluating (or expanding in) spherical harmonic series on the computer is slow-for large computations probibitively slow.
      
It can be used to describe the regularity of the solution without assuming stability.
      
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An attempt to observe the spectrum of doubly excited helium by excitation by electron impact, with energies between 500-600 electron volts, is made without success. This and other failures are discussed by considering of the life times of the doubly excited states. An approximate calculation gives for 2s3s3S a life time of the order 10-15 sec, corresponding to a natural width of the level of the order 1000 cm-1. While this accounts for the absence of a line spectrum of doubly excited helium, it renders...

An attempt to observe the spectrum of doubly excited helium by excitation by electron impact, with energies between 500-600 electron volts, is made without success. This and other failures are discussed by considering of the life times of the doubly excited states. An approximate calculation gives for 2s3s3S a life time of the order 10-15 sec, corresponding to a natural width of the level of the order 1000 cm-1. While this accounts for the absence of a line spectrum of doubly excited helium, it renders the former suggestion that the corona lines may be due to it untenable.

(1)日晕光谱线之来源,至今为未决定之问题。Goudsmit与吴大猷曾假设诸谱线乃由氦气双激起原子所生。过去有人企图用实验方法得到双激起氦原子之光谱,未能成功。但有数种实验室内现象,均有人用此假设以解释之。故作者希望在适当情形下得到双激起氦原子之光谱。 (2)由理论上知用电子撞击法造成双激起之可能性甚小,但此可能性之最大值在电子能为300至600electron volts时故作者企图在人为的此种情形下观察双激起氦原子光谱,但结果未能发现。 (3)此种实验结果可从理论方面予以解释。作者由双激起2s3s~3S状态之计算,知其谱线之宽约为1000cm~(-1),故实验时不能观察因此以前关於日晕光谱之解释,亦成疑问。

This paper is a supplement to the author's previous paper "The Constants and Analysis of Rigid Frames", published in the first issue of the Journal. Its purpose is to amplify as well as to improve the method of propagating joint rotations developed, separately and independently, by Dr. Klouěek and Prof. Meng, so that the formulas are applicable to rigid frames with non-prismatic bars and of closed type. The method employs joint propagation factor between two adjacent joints as the basic frame constant and the...

This paper is a supplement to the author's previous paper "The Constants and Analysis of Rigid Frames", published in the first issue of the Journal. Its purpose is to amplify as well as to improve the method of propagating joint rotations developed, separately and independently, by Dr. Klouěek and Prof. Meng, so that the formulas are applicable to rigid frames with non-prismatic bars and of closed type. The method employs joint propagation factor between two adjacent joints as the basic frame constant and the sum of modified stiffness of all the bar-ends at a joint as the auxiliary frame constant. The basic frame constants at the left of right ends of all the bars are computed by the consecutive applications of a single formula in a chain manner. The auxiliary frame constant at any joint where it is needed is computed from the basic frame constants at the two ends of any bar connected to the joint, so that its value may be easily checked by computing it from two or more bars connected to the same joint.Although the principle of this method was developed by Dr. Klouěek and Prof. Meng, the formulas presented in this paper for computing the basic and auxiliary frame constants, besides being believed to be original and by no means the mere amplification of those presented by the two predecessors, are of much improved form and more convenient to apply.By the author's formula, the basic frame constants in closed frames of comparatively simple form may be computed in a straight-forward manner without much difficulties, and this is not the case with any other similar methods except Dr. Klouěek's.The case of sidesway is treated as usual by balancing the shears at the tops of all the columns, but special formulas are deduced for comput- ing those column shears directly from joint rotations and sidesway angle without pre-computing the moments at the two ends of all the columns.In the method of propagating unbalanced moments proposed by Mr. Koo I-Ying and improved by the author, the unbalanced moments at all the bar-ends of each joint are first propagated to the bar-ends of all the other joints to obtain the total unbalanced moments at all the bar-ends, and then are distributed at each joint only once to arrive at the balanced moments at all the bar-ends of that joint. Thus the principle of propagating joint rotations with indirect computation of the bar-end moments is ingeneously applied to propagate unbalanced moments with direct computation of the bar-end moments, and, at the same time, without the inconvenient use of two different moment distribution factors as necessary in all the onecycle methods of moment distribution. The basic frame constant employed in this method is the same as that in the method of propagating joint rotations, so that its nearest approximate value at any bar end may be computed at once by the formula deduced by the author. Evidently, this method combines all the main advantages of the methods proposed by Profs.T. Y. Lin and Meng Chao-Li and Dr. Klouěek, and is undoubtedly the most superior one-cycle method of moment distribution yet proposed as far as the author knows.Typical numerical examples are worked out in details to illustrate the applications of the two methods.

本文為著者前文“剛構常數與剛構分析”之補充,其目的在將角變傳播法及不均衡力矩傳播法加以改善,以便實用。此二法均只需一個公式以計算剛構中所有各桿端之基本剛構常數(即任何二相鄰結點间之角變傳播係數),將此項公式與柯勞塞克之公式相比較,藉以指出前者較後者為便於應用,並亦可用之以直接分析較簡單之閉合式剛構,此外補充說明此法中之剛構常數與定點法之關係,剛構有側移時計算各結點角變所需之各項公式亦行求出。不均衡力矩傳播法係顧翼鹰同志最近研究所得者,既係直接以桿端力矩為計算之對象,而且只須採用不均衡力矩分配比將各結點作用於各桿端不均衡力矩之總和,一次分配,即得所求各桿端分配力矩之總值,實係力矩一次分配法之一大改進,著者將顧氏之法加以推廣与改善,使其原則簡明而計算便捷,著者認為此法係將林、柯、孟三氏法之所有優點熔冶於一爐,實可稱為现下最優之力矩一次分配法。最後列舉算例,以說明此二法在實際工作中之應用。

A method for preparing the high acid-consuming-capacity dried aluminium hydroxide powder by the use of alum and soda or other alkali substance as raw material is described. 1) The best results were obtained by using soda as raw material for preparing the alkali solution. 2) The alum solution was added to the alkali solution until pH 5.5-6.5 was reached. 3) The sulfate was removed almost completely by washing with potassium bicarbonate solution(0.4%) before drying. 4) The aluminium hydroxide gel can be dried...

A method for preparing the high acid-consuming-capacity dried aluminium hydroxide powder by the use of alum and soda or other alkali substance as raw material is described. 1) The best results were obtained by using soda as raw material for preparing the alkali solution. 2) The alum solution was added to the alkali solution until pH 5.5-6.5 was reached. 3) The sulfate was removed almost completely by washing with potassium bicarbonate solution(0.4%) before drying. 4) The aluminium hydroxide gel can be dried completely under 100-105℃(ca. 6 hrs.) without influencing the antacid activity. 5) The highest acid-consuming-capacity of the dried powder of aluminium hydroxide gel(free from any free alkali) was determined to be 315.9 ml, i.e. one gram dried sample will neutralize 315.9ml 0.1N HCl.

1.以明礬液倒入碳酸钠溶液中,混合液之酸度须控制为pH6(±0.5)。 2.所得膠体,先用普通水洗滌,继用0.4%碳酸氢钾溶液在抽氣漏斗上洗滌。除去硫酸鹽之手續须一次完成之,烘乾以後即不能重行处理,否则,制酸力急速下降。 3.乾燥可控制在90—110℃(约6—10小时),大量烘乾时应注意湿空氣之排出。 4.产品的制酸力一般为250—280毫/克,最高达315.9毫升/克;硫酸鹽之含量远低於药典规定;游离鹼亦远低於苏联药典之规定。

 
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