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     Study on the Chemical Production of 1,2-Cyclohexanediol from Cyclohexylene
     环己烯制备1,2-环己二醇的研究
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     Determination of CHAMP's Orbit and Earth Gravity Model from Onboard GPS Data
     星载GPS数据进行CHAMP卫星定轨和地球重力场模型解算
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     Study on Preparation Method of Inositol from Maceration Water of Corn
     玉米浸渍水制取肌醇的方法研究
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     SEPARABLE WAVE FUNCTION OF THE GROUND STATE OF HELIUEM CONSTRUCTED FROM HYLLERAAS WAVE FUNCTION
     Hylleraas氏波动函数所建立之正常状态-氦之可分离波动函数(英文)
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     ON A SPECIES OF THEOBALDIA, THEOBALDIA KANAYAMENSIS NEWLY DISCOVERED FROM PEKING
     北京采到的赛保蛟(Theobaldia)之一种—金山赛保蚊(Theobaldia kanayamensis Yamada,1932)
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     Role of Gap Junction Formed by CX32 and CX43 in Epilepsy and Its Modulating Mechanism
     CX32和CX43组成的缝隙连接在癫痫发病中的作用及调控机制的实验研究
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     The Experimental Research on the Therapy of Pancreatic Cancer by TK Gene That Activated by Egr-1 Promoter
     Egr-1基因启动子调控TK自杀基因治疗胰腺癌的实验研究
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     THE DISTRIBUTION OF TOTAL INSOLATION IN EASTERN CHINA COMPUTED BY EMPIRICAL FORMULA
     利用经验公式日照记录计算中国东部总辐射的分布
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     ON THE MATRIX LIE RING DEFINED BY A HAMILTONIAN OR SKEW-HAMILTONIAN MATRIX
     一哈密尔顿矩阵或反哈密尔顿矩阵所定义的矩阵李环
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     JETS INDUCED IN EMULSIONS AND CLOUD CHAMBERS BY COSMIC RAY PARTICLES OF ENERGY(10~(11)-10~(14)eV)
     宇宙线(10~(11)—10~(14)电子伏)引起的高能核作用
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     Study on Predicting Wave States Utilizing Ship Motion in Navigation
     航行中船舶运动预报海浪
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     Electrophysiological Analysis in the Development of Persistent Atrial Fibrillation in Goat Model
     山羊心房颤动在阵发性转为持续性过程中电生理改变的分析
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     Genetic Transformation via Microprojectile Bombardment, Cloning and Identification of NBS-LRR Gene in Wheat and Agrobacterium Rhizogenes-mediated Genetic Transformation in Tartary Buckwheat
     小麦NBS-LRR抗性基因克隆以及基因枪介导的遗传转化和发根农杆菌介导的苦荞遗传转化
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     Synthese, Structures, and Property Study of New Coordination Compounds Based on Unsymmetric Ligands
     非对称配体构筑的新型配位化合物的合成、结构和性质研究
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     The Climate of China as Based Upon the Analysis of Monthly Temperatures
     年温变化之谐波分析论中国气候
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We define a map from an affine Weyl group to the set of conjugacy classes of an ordinary Weyl group.
      
We also show how to distinguish examples of open subsets with a good quotient coming from Mumford's theory and give examples of open subsets with non-quasi-projective quotients.
      
Finally we show for more than half of the infinite series that a presentation for the fundamental group of the space of regular orbits ofW can be derived from our presentations.
      
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.
      
However, there are many examples that do not arise from this construction.
      
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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.
      
Open subsets of projective spaces with a good quotient by an action of a reductive group
      
As in the case of affine Weyl groups, they can be obtained by adding a further node to the diagram for the linear part.
      
Motivated by the physical concept of special geometry, two mathematical constructions are studied which relate real hypersurfaces to tube domains and complex Lagrangian cones, respectively.
      
Then the ring of invariants ofG is a polynomial ring if and only ifG is generated by pseudoreflections and the pointwise stabilizer inG of any nontrivial subspace has a polynomial ring of invariants.
      
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Seine Wirksamkeit beruht auf seinem Gehalt an Tyrothricin, das durch Zusatz von Cetylpyridiniumchlorid, einer quartern?ren Ammoniumbase, wasserl?slich wird.
      
Die Ursache dieser fermenthemmenden Eigenschaft der verwendeten Substanzen wird in deren Zugeh?rigkeit zur Gruppe terti?rer oder quartern?rer Ammoniumbasen gesehen.
      
über die Beeinflussung der Struktur tern?rer und quartern?rer Phasen bzw.
      
Zum Wirkungsmechanismus der Antitremorinwirkung quartern?rer Phenothiazinderivate
      
über einige quartern?re Chalkogenide mit Spinellstruktur
      
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Measurement of the intensity of total scattering of x-rays by a number of polyatomic gases was made for scattering angles between 15° and 130 ° using an ionization method of recording the scattered intensity. Balanced filters of ZrO2, and SrO were used to separate the MoKa rays and Soller slits were placed in front of the ionization chamber to obtain a definite scattering angle. The gases studied are CL2, CO2, N2O, H2S, CC14 and CHCl3. In each case the absolute values of the scattered intensity were determined...

Measurement of the intensity of total scattering of x-rays by a number of polyatomic gases was made for scattering angles between 15° and 130 ° using an ionization method of recording the scattered intensity. Balanced filters of ZrO2, and SrO were used to separate the MoKa rays and Soller slits were placed in front of the ionization chamber to obtain a definite scattering angle. The gases studied are CL2, CO2, N2O, H2S, CC14 and CHCl3. In each case the absolute values of the scattered intensity were determined by comparison with the scattering from oxygen, the results of Wollan for the latter gas being taken as correct. The experimental results are actually compared with Woo's theory of the scattering of x-rays by polyatomic gases and the agreement seems to be satisfactory.

吴有训氏最近对于多原子气体散射线之理论,曾作详尽的探讨。吴氏得到一个公式,表示多原子气体所散射之强度,其中一部为相干的散射,另一部为不相干的散射。 以前关于多原子气体散射X-线之实验,为数甚少,且为定性的结果。最近美人Wollan,对于O_2及N_2(双原子气体)所散射钼的K_3α线之强度,曾作绝对的度量。Wollan的结果,与吴有训氏的理论,甚属相符。本篇目的,在测定 Cl_2,CO_2,N_2O,H_2S,CCl_4及 CHCl六种气体所散射X-线之强度,每一实验,均与0_2者互相比较,根据Wollan的结果,每种气体所散射之绝对强度,皆一一量得。所用之入射X-线为钼之Kα线,系藉Ross的平衡过滤法分出。强度之测量,系用一游离方法。散射角度的范围,自15度至130度。每种气体的实验结果,均与吴氏的理论,互相比较,证明理论与实验,甚属相符。在计算时,原子的“构造因数”,系Hartree的方法算得,一分子中两原子的相隔距离,则带光谱的结果推得。

The absorption wavemeter investigated consists of a single loop with a variable gap which is formed by a pair of parallel plates. A calibration formula for the meter was derived on the assumption that the stray capacity could be considered constant and the stray inductance negligible. This simple and useful formula was ex perimentally checked on four different meters, covering the range from about one-and-quarter meter to one-half meter. These melors were carefully constructed and accurately calibrated with...

The absorption wavemeter investigated consists of a single loop with a variable gap which is formed by a pair of parallel plates. A calibration formula for the meter was derived on the assumption that the stray capacity could be considered constant and the stray inductance negligible. This simple and useful formula was ex perimentally checked on four different meters, covering the range from about one-and-quarter meter to one-half meter. These melors were carefully constructed and accurately calibrated with reference to a quartz oscillator by the double-heating method through the use of an auxiliary oscillator of a continuous range of wave-lengths from six to ten meters.

在吸收式波长计之理论上,以其杂储电量为常数而略其杂磁感量,得一简便之公式虽在波长一公尺左右亦可用。所研究之吸收式波长计之构造,系一黄铜制成之单圈,用二黄铜片制成之一缝隙。其缝隙之宽度,可一螺旋调节。此种波长计,曾 在国立中央研究院物理研究所制造室制造四具,可量波长一有四分之一公尺至半公尺亦曾在此研究所之实验室内,与水晶振荡器校准先制一振荡器,可在六至十公尺之间,发生无论任何波长之振荡。并将此振荡器与一水晶振荡器用拍谐法校准。再制一有四分之一公尺至半公尺之振荡器,与已与水晶校准之振荡器,再用拍谐法校准,而同时以所制之吸收式波长计量之其实验与理论所得之各结果极为符合。

With γ-rays of various wave-lengths the number of counts produced in a Geiger-Muller counter of Pb-wall was determined in equal time intervals. The same experiment was carried out with a counter of Al-wall. Let Npb and NA1 represent the number of counts produced in the Pb-counter and Al-counter respectively by a beam of γ-rays of even wave-length in a given time interval. The ratio Nph/NA1 observed decreases at first with the wavelength of the incident beam due to the diminishing photo-electric of lead. It is,...

With γ-rays of various wave-lengths the number of counts produced in a Geiger-Muller counter of Pb-wall was determined in equal time intervals. The same experiment was carried out with a counter of Al-wall. Let Npb and NA1 represent the number of counts produced in the Pb-counter and Al-counter respectively by a beam of γ-rays of even wave-length in a given time interval. The ratio Nph/NA1 observed decreases at first with the wavelength of the incident beam due to the diminishing photo-electric of lead. It is, however, found to increase by 16% when the wavelength of the incident radiation is decreased from a value 6.6 x. u. 4.7 x. u. This rising is due to particles produced by the interaction of hard γ-rays with the Pb-nuclei.

能力极大的丙种镭辐射,可以影响原子核,这是新近发见的事实。为进一步的研究,我们把极硬的丙种镭辐射,照在铅的数电子管(Electron Counter)上结果:除了射出的光电子和反跳子(Compton RecoilElectron)外,还观察到一种电子(有阴阳二种),约占总数的百分之十七。这种电子的来源,现在有两种解释:1从原子核里射出。(2)直接丙种镭辐射变成。

 
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