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valid     
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  有效
     A Research on the Extraction of the Valid String:Based on the Dynamic Circulating Corpus
     基于“动态流通语料库”的“有效字符串”提取研究
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     The Valid Means to Stabilize the Output of CO_2 Laser--to Eliminate the Influence of the Window's Interference Effect
     稳定CO_2激光器输出的有效措施—消除窗干涉效应的影响
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     THE FORMAL UNIFORMLY VALID ASYMPTOTIC SOLUTION OF THE SINGULAR PERTURBATION OF ORDINARY DIFFERENTIAL EQUATIONS WITH HIGH-ORDER TURNING POINT
     具有高阶转向点的奇异摄动常微分方程的形式一致有效渐近解
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     Rational Calculation on the Concrete Valid Prestress of Posttensioning Prestressed Concrete Members
     后张法预应力混凝土构件混凝土有效预应力的合理计算
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     A Unifomly Valid Asymptotic Solution of the Navier-Stokes Equations
     Navier-Stokes方程组的一个一致有效渐近解
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  有效的
     The combination of modified nance arch with straight wire arch technique is valid method.
     改良Nance弓联合直丝矫治技术是一种有效的方法。
短句来源
     Experimental results on ORL (Olivetti Research Laboratory) and Yale face database show that correct recognition rate by WT-2DICA is higher than that by 2DPCA and 2DICA respectively, and the method in this paper valid in face recognition.
     基于ORL(Olivetti Research Laboratory)与Yale人脸数据库的实验结果表明,WT-2DICA算法正确识别率高于2DPCA算法与2DICA算法,是一种有效的人脸识别方法。
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     The results show that the fuzzy sliding mode control method in the slip ratio control of ABS is valid.
     结果表明,模糊滑模控制方法在ABS的滑移率控制中是切实有效的
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     By whole mentality of commonly setting up information resource,commonly purchasing and sharing,bounds valid human resources sharing mechanism and cultivates information quality of enterprise users then forms an enterprise information service platform.
     通过共同创建信息资源共建共享的总体思路,创建有效的人力资源共享机制,在建立网络专家咨询平台、网上信息交流平台、入网企业档案库、信息服务反馈机制、与企业相关的客户档案的同时,对企业用户开展信息素质的培养,从而形成一个企业信息服务大平台。
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     Conclusion This study stabilized porcine SIS by GA and methylene blue for the first time,and through comparing their biomechanical properties of uniaxial tensility,it was testified that the method of photooxidation shall be developed as a valid treatment to crosslink SIS.
     结论该研究首次使用戊二醛交联和亚甲基蓝光氧化交联方法对猪SIS进行了处理,并比较了与新鲜猪SIS沿管腔纵向单轴拉伸测试力学性能的差异,并证明可以发展光氧化交联方法使其成为一种有效的SIS交联手段。
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  有效性
     This article attempts to discuss in constructing a scientific and valid evaluation system of mental-quality education.
     建构一个科学有效的心理素质教育评价体系来对心理素质教育有效性评价问题进行探讨,尤为必要。
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     DISCUSSION ON WORKING VALID METHODS OF QUALITY MANAGEMENT SYSTEM STANDARD OF ISO9001∶2000 IN METALLURGY ENTERPRISES
     论冶金企业ISO9001∶2000质量管理体系运行有效性的方法
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     (3) Valid.
     (3)有效性
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     For solving the speed problem of data transmission about general I/O interface,in this paper scheme of single bus application in SPI interface is introduced analysed the feasibility about method,and applied this method to the interface design between MCU ADμC812 and the wireless radio frequency communication modular nRF2401,which verifies this scheme valid.
     为解决I/O口数据传输的速率问题,提出SPI接口的单线应用方案,分析该方法的可行性,并在单片机ADμC812与射频无线通信模块nRF2401间的接口设计中得到了应用,验证该方案的有效性
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     The result of the analytical model and that of ANSYS model prove that the method of analytical computation is consistent with that of ANSYS, and the method of analytical computation is correct and valid.
     解析方法的结果与ANSYS模型分析的空气隙磁通密度相比较,证实了解析分析和模型分析的一致性和所采用的解析计算方法的正确性和有效性
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  “valid”译为未确定词的双语例句
     Effect and Mechanism of Some Valid Components of Chinese Herbs in the LPS-Induced Abortion Rats
     中药成分对LPS诱导大鼠流产作用机理的研究
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     OPTICAL DEPTH OF ATMOSPHERIC AEROSOLS AND THE VALID RANGE OF ■NGSTRM FORMULA
     大气气溶胶的光学厚度和■ngstrm公式的适用范围
短句来源
     Uniformly Valid Expansions of Soiutions to NonlinearSingiilarly Perturbed Boundary Value Problems
     非线性奇摄动边值问题的渐近展开
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     A study of the Valid Conditions to Apply Rymaszewski Formulas to Rectangular Samples
     在矩形样品中Rymaszewski公式的适用条件的分析
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     Serum Clara Cell Protein(CC16):A New Valid Marker of the Distal Airway Damages Caused by Air Pollutants in Rats
     Serum Clara Cell Protein(CC16):A New Valid Marker of the Distal Airway Damages Caused by Air Pollutants in Rats
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  valid
A similar result is valid for rational invariants.
      
A similar formula is valid when the Gaussian is replaced by the tempered distribution ei/2>amp;lt;...>amp;gt;.
      
Our results are valid for any quantizer with accuracy ε >amp;gt; 0 operating in the no-overload regime.
      
The uniformly valid asymptotic expansion of solution is obtained.
      
One is a verifiable scheme which each participant can verify his own share from dealer's distribution and ensure each participant to receive valid share.
      
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The gravitational field and the motion of matter in the universe are investigated according to Einstein's field equations and his dynamical equations of motion. In a spatially isotropic and homogeneous space-time continuum it can be shown that up to about 2x10~8 l.y. the following relation holds between spectrum displacement δλ from distant spiral nebulae and their observa-tionally defined distance d,where A is Einstein's cosmological constant. The first term on the right hand side is essentially Hubble and...

The gravitational field and the motion of matter in the universe are investigated according to Einstein's field equations and his dynamical equations of motion. In a spatially isotropic and homogeneous space-time continuum it can be shown that up to about 2x10~8 l.y. the following relation holds between spectrum displacement δλ from distant spiral nebulae and their observa-tionally defined distance d,where A is Einstein's cosmological constant. The first term on the right hand side is essentially Hubble and Humason's velocity-distance relation. The second part is a correction which amounts to 11.5% for d2x10~8 l.y. and hence lies within observational error of the present Mt. Wilson 100-inch telescope. The theory shows that both Milne's recent Newtonian theory of the expanding universe and Lemaitre's interpretation of tha velocity-distance are first order approximations and are valid only within 2xl08 l,y. from our galaxy. The calculation for the phenomsna of nebular recession beyond 2xl08 l.y. to be observed by the 200-inch telescope now under construction according to the present scheme will be presented in the near future.

本文用安因斯坦力学及引力论解释宇宙之膨胀现象。从本文方程式中可证明雷猛德及米恒诸氏之学说皆为本文之近似值,而本文理论之能成立与否须恃200英寸反光镜完成后之观测云。

In the statistical theory of superlattices in binary alloys, the dependence of the interaction energy upon atomic arrangements is taken into account by regarding the interaction energy in Bethe's theory as an average quantity depending on the degree of order and the composition of the alloy. Two simple assumptions concerning the functional relationship of the interaction energy with order and composition are made. The first is a linear function of order and composition. The second is a linear function of the...

In the statistical theory of superlattices in binary alloys, the dependence of the interaction energy upon atomic arrangements is taken into account by regarding the interaction energy in Bethe's theory as an average quantity depending on the degree of order and the composition of the alloy. Two simple assumptions concerning the functional relationship of the interaction energy with order and composition are made. The first is a linear function of order and composition. The second is a linear function of the average numbers of pairs of atoms. The result of applying these assumptions to superlattices of the type AB is that the critical temperature as a function of the composition is a maximum for equal sumber of A and B atoms only when a certain relation between the coefficients in the assumed function is satisfied. In the cass of superlattices of type AB3 the theory of Bragg and Williams is used for simplicity. It is shown that when the composition varies, the maximum of the critical temperature may occur at any desired composition by a suitables adjustment of the coefficients in the assumed functions. There is thus a hope of removing the discrepancy between theory and experiment on this line. The anomalous specific heat at the critical temperature is also calculated for different compositions. In the case of the AB type of superlattices, Bethe's formula for the energy is no longer valid, and in order to calculate the specific heat, an approximate formula for the energy is obtained by analogy with the theory of Bragg and Williams. Finally, the problem of separation into more than one phase is briefly discussed.

在二元合金超格之统计力学理论中,原子间互作用能量,因原子之排列不同而异,其所生之影响,吾人擬於此篇中讨论之。吾人认为有Bethe氏理论中之相互作用能量,实为一平均值,其值因合金之秩序程度及其成分而异。吾人作二简单假设:一设相互作用能量为秩序及成分之线性函数,另一设其与原子对偶之数成线性函数。将此等假设应用於AB类之合金,则必须在所设函数中之系数间,有适当关系,合金之临界温度,始在成分为1:1时,有极大值。在AB_3类之合金,吾人乃应用Bragg及Williams二氏之理论以求简便。於此可证明若所设函数中之系数,可任意调整则所计算出之临界温度之极大值可在任何成分发生。故关於此点理论与实验不合之处,可望解决。又合金之反常比热,亦经算出。在AB类之合金,Bethe氏原来之能量公式不復可用,故另用与Bragg及Williams理论比较而得之公式计算。又关於合金可分为二相或多相之问题,此篇亦大略论及。

Even though in the application of adsorption to industry or research one almost never deals with solutions containing only a single solute, yet the number of investigations on the adsorption from mixed solutions is very limited. Following the lead of Freundlich the generally held opinion is that the effect of one adsorbate on the adsorption of another is simple displacement. While this may be true for some special cases, it is undoubtedly too simple to be of general validity, because the various interactions,...

Even though in the application of adsorption to industry or research one almost never deals with solutions containing only a single solute, yet the number of investigations on the adsorption from mixed solutions is very limited. Following the lead of Freundlich the generally held opinion is that the effect of one adsorbate on the adsorption of another is simple displacement. While this may be true for some special cases, it is undoubtedly too simple to be of general validity, because the various interactions, such as solid-solvent, solute-solute, solute-solvent, have been neglected in this theory. In the theoretical study of chromatography it is necessary to know the equation for the adsorption isotherm when more than one solute are present in the solution. The most widely adopted equation for this purpose is (x/m)_a=k'_aC_a/(1+k_iC_i) (1) This equation can be easily derived from that for a single adsorbate: x/m = k'C/ (1+kC) (2) by assuming that the presence of an additional solute merely reduces the available surface area of the solid. Formally, this equation is analogous to that of Langmuir for the adsorp- tion of gaseous mixtures, replacing pressures by concentrations, but it is actually an empirical equation, because the numerical values of the k's can be obtained only from experimental data and their physical significance is not at all clear. This equation predicts the de-pression of the adsorption of one solute by another. While it is in line with the current idea, there is no experimental proof of its validity. It is the dual purpose of the present investigation to substantiate or disprove the dis- placement theory and to test the applicability of equation (1). We have studied the adsorption from binary solutions of hydrochloric, acetic, and oxalic acids by sugar char. The adsorbates are chosen because of their widely different strength. Sugar char is chosen because it has been shown from previous studies that with this adsorbent the experimental data for single adsorbate follow equation (2). The experimental results are given below: HCl-CH_3COOH and CH_3COOH-H_2C_2O_4 systems: (1) The adsorption of any acid is less than when it is present alone; (2) When the corresponding (x/m)'s are plotted, straight lines with negative slopes are obtained; (3) The slopes of these straight lines vary with the concentration of the acid being displaced; (4) The order of the displacing power, measured by the slope, is HCl> CH_3COOH > H_2C_2O_4, while the order of adsorption is just the reverse; (5) Equation (1) is not valid. HCl-H_2C_2O_4 system: (6) The adsorption of HCl is decreased; (7) When its concentration is higher than about 0.005 N, the adsorption of oxalic acid is increased; at lower concentrations the adsorption is decreased; (8) The higher the concentration of HCl is, the more pronounced will be the increase of adsorption of oxalic acid; (9) Corresponding (x/m)'s give straight lines whose slopes change sign as C_ox increases beyond 0.005 N. From (3) and (4) it is concluded that the observed decrease of adsorption is not due to simple displacement. Based on the hypothesis that it is primarily the solvent which is displaced with the subsequent shift of equilibrium, a mechanism is proposed to account for the effect of one solute on the adsorption of another, which seems to agree with all the observed results. The increase of the adsorption of oxalic acid disproves conclusively the displacement theory. The fact that there is a critical concentration below which the adsorption of oxalic acid is decreased indicates that there are two opposite influences at work. It is suggested that three factors contribute to the increase of adsorption of oxalic acid: (a) the decrease of dissociation; (b) the lowering of solubility; and (c) electrostatic effect. To determine the relative importance of these factors requires further investigation. Finally, an empirical equation involving three constants has been derived to represent the adsorption of oxalic acid in the presence of hydrochloric acid.

在此工作中我們研究了三種混合酸的吸附。在鹽酸-酸的體系中,鹽酸增加糖炭對於草酸的吸附量,倘若草酸的濃度超過0.005N。這個事實否定了在混合酸中各溶質間的作用是彼此頂替的說法。在醋酸-草酸及醋酸-鹽酸的混合溶液中,各酸的吸附量皆較其單獨存在時低。根據實驗的數據我們指出了各家說法的可疑之點。我們認為在混合溶液中吸附量之減少主要是因為溶質甲頂替了表面上的溶劑,因而使溶質乙的吸附量降低。若是溶質甲能使溶質乙的電離度或溶度降低,或增加溶質乙的Gegen-ion,則能使乙的吸附量增加。因為Langmuir式的混合吸附公式不能代表吸附之增加,我們提出了一個可以此較滿意的代表實驗結果的三常數經驗公式。各溶質的吸附量皆成直線關係。對此結果我們不能作定量的解釋,雖然此種現象與我們的假設並不矛盾。

 
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