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co     
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     ~(60)Co γ-RAY-INDUCED CHROMOSOME ABERRATIONS IN HUMAN PERIPHERAL BLOOD LYMPHOCYTES IRRADIATED IN VITRO:DOSE-RESPONSE RELATIONS AND A COMPARATIVE STUDY WITH 180 kV X-RAYS
     ~(60)γ-线离体照射人淋巴细胞诱发的染色体畸变:剂量-效应关系及其与 X-线的比较研究
短句来源
     The Effects of Small Amount of Co on Properties and Structures of Inval steel
     少量对不变钢性能及结构的影响
短句来源
     Cushing's Disease Treated by Pituitary Irradiation with ~(60)Co: Report of 35 Cases
     下丘脑—垂体性皮质醇增多症(库兴氏病)的~(60)垂体照射(附35例疗效观察)
短句来源
     SUPPORTED METAL CLUSTER Ⅰ: COB ALT CARBONYL CLUSTER SILICA SOPPORTED YCCo_3(CO)_9
     担载金属簇——Ⅰ.硅胶化学键联羰基簇YCCo_3(CO)_9催化剂
短句来源
     Analyses of 50 Cases of Primary Liver Cancer Treated by ~(60)Co Moving Strip Technique
     ~(60)移动条射野治疗原发性肝癌(附50例临床分析)
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  一氧化碳
     THE CATALYTIC OXIDATION OF CO OVER Ba_(2-x)Sr_xYCu_3O_(7-α)
     一氧化碳在高温超导体型的Ba_(2-x)Sr_xYCu_3O_(7-α)上的催化氧化
短句来源
     Results: CO, 0. 1100mg/m~3;
     结果:一氧化碳(CO)0.11mg/m~3;
短句来源
     Surface Structure of Pd-Fe/α-Al_2O_3 Catalyst for CO Coupling to Diethyl Oxalate
     一氧化碳偶联制草酸二乙酯用Pd-Fe/α-Al_2O_3催化剂的表面结构
短句来源
     Rare earth perovskite-type oxides La1-x A′Co1-y Biy O3-δ (A′=Ba0.2, Sr0.4; y =0, 0.2) were investigated as catalysts for CO low-temperature oxidation.
     研究了稀土钙钛矿型氧化物La1-x A′x Co1-y Biy O3-δ(A′=Ba0.2,Sr0.4;y=0,0.2)催化剂上一氧化碳低温氧化反应。
     The oxidation of CO in a microreactor was catalyzed by Pd/SnO_2 for a gas system with CO :O2 : N2=1 :1: 8. The kinetic equation of the reaction has been derived on the principle of the microreactor.
     对CO:O_2:N_2=1:1:8的气体,以 Pd/SnO_2为催化剂,在微型反应器内进行催化一氧化碳反应.
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  共同
     DOPING EFFECTS IN YBa_2Cu_(1-x)Co_x(Cu_(1-y)Zn_y)O_z SYSTEM
     YBa_2Cu_(1-x)Co_x(Cu_(1-y)Zn_y)_2O_z体系的Co,Zn共同掺杂效应
短句来源
     While the mixture of Ni~(2+),Cu~(2+),Zn~(2+) and that of Co~(2+),Ni~(2+)had inhibitive effect on cellulase.
     当Ni2+、Cu2+、Zn2+3种离子,Co2+、Ni2+2种离子混合共同作用于反应时,表现出抑制作用.
短句来源
     Smads could be divided into receptor regulated Smads (R Smads: Smad1, Smad2, Smad3, Smad5, Smad8 and Smad9), common mediator Smad (co Smad: Smad4) , and inhibitory Smads (I Smads: Smad6 and Smad7).
     Smads可分为受体调节 Smads(R- Smads:Smad1、2、3、5、8和9)、共同介导者 Smad(Co- Smad:Smad4 )和抑制性 Smads(I- Smads:Smad6、7)。
短句来源
     Catalytical Oxidation of Benzene by H_2O_2 in the Presence of CuCl,CO~(2+)with Urushiol Resin
     CuCl、Co~(2+)等金属离子和漆酚树脂共同催化H_2O_2氧化苯的反应
短句来源
     The constituent oxides were prerpared by milling ZnO、Bi2O3 、Sb2O3、Cr2O3、Co2O3、MnO2 together for 5 h,in which synthetic Bi2O3 and Sb2O3 powder had been firstly milled for 12 h.
     为了制备高电位梯度的ZnO压敏电阻,采用了新的粉体制备方法,即高能球磨Bi2O3和Sb2O3两种添加剂12 h,再与其它氧化物共同高能球磨5h。
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  公司
     Information from the Same Trade in USA-Visiting the Special Material Department of GE Co.
     来自美国同行的信息——访GE公司特殊材料部(SMD)
短句来源
     PRESENT AND FUTURE OF WUHAN IRON AND STEEL CO.
     武汉钢铁公司的现状与未来
短句来源
     PRESENT AND FUTURE OF BENXI IRON AND STEEL CO.
     本溪钢铁公司的现状与未来
短句来源
     Analysis and Import about Automatic Submerged Arc Welding Machine of Swiss OERLIKON Co.
     关于瑞士OERLIKON公司自动埋弧焊机技术分析和引进
短句来源
     A BRIEF INTRODUCTION TO THE CV 50 TYPE PELLETIZING DEVICE FROM CONDUX CO. OF GERMANY
     德国康得时公司CV50型废丝造粒装置简介
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  co
Let T=T(n,e,a) be the number of fixed points of RSA (n,e) that are co-prime with n=pq, and A,B be sets of prime numbers in (1,x) and (1,y) respectively.
      
A New Method for the Preparation of Co3O4 Nanoparticles
      
In this study, a novel method was used to prepare well-separated and spherical tricobalt tetraoxide (Co3O4) nanosized particles.
      
The overall process involves three steps: preparation of insoluble carboxyl-containing grafted starch copolymer (ISC), formation of precursor (ISC-Co), decomposition of ISC-Co, and phase transition of Co3O4 nanoparticles.
      
The Infrared spectra used for ISC and ISC-Co are discussed.
      
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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,表示由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,对于由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,在测定由 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,均与由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”,系由Hartree的方法算得,一分子中两原子的相隔距离,则由带光谱的结果推得。

Magnetization curves of the polycrystalline Fe-Co and Ni-Co alloys of the cubic system and also of the pure cobalt were determined by means of a ballistic method. Gans' theory of the magnetic properties of isotropic ferromagnetics was applied. The agreement between his theory and the experimental results is quite good for the strong fields but not so for the weak fields, just as in the ease of the pure ferromagnetics. The discrepancy for the weak fields may be explained by his neglect of the free...

Magnetization curves of the polycrystalline Fe-Co and Ni-Co alloys of the cubic system and also of the pure cobalt were determined by means of a ballistic method. Gans' theory of the magnetic properties of isotropic ferromagnetics was applied. The agreement between his theory and the experimental results is quite good for the strong fields but not so for the weak fields, just as in the ease of the pure ferromagnetics. The discrepancy for the weak fields may be explained by his neglect of the free energy which is required to magnetize the elementary crystals isothermally to the saturation intensities in the easy direction of magnetization. After including this part of the energy the agreement between theory and experiment is improved in general and in some cases, it is remarkably good. For pure cobalt the magnetization intensities for a given field are smaller than those obtained by previous investigators, but in better agreement with the theory than those previously obtained. Since the disagreement cannot be accounted for by the experimental error in the present investigation, the comparatively less studied cobalt needs further investigation.

用冲击法量属於正方晶系之铁钴及镍钴合金并纯钴之多结晶体之磁化曲线与Gans氏各向同性铁磁物质磁性之理论相较知在强磁场时理论与实验之契合甚佳在弱磁场时则较差,弱磁场时之差异,可以Gans氏计算时略去磁化各元晶体於其易磁化方向至饱和度所需之自由能一点解释之改正此点后理论与实验之契合大体改善在数种合金且极佳。纯钴之磁化强度在各磁场下较之前人所得者均小,惟与理论之契合则较佳:此与前人不同之点既不能归诸本实验之误差,则此较少被注意之钴实需要更进一步之研究

Many oxides of heavy metals when existing not in exact stoichiometric combining ratios exhibit the properties of a semi-conductor.The resistance ofsuch materials has a very large negative temperature coeffcient.Such thermallysensitive resistors,known as“thermisters”,have found wide range of appli-cations in thermometry,communication engineering,etc.In this investigationwe tried over hundred samples of metallic oxides and their mixtures fusedwith glass powder to form small compact bead on Pt lead wires.The sampleswere...

Many oxides of heavy metals when existing not in exact stoichiometric combining ratios exhibit the properties of a semi-conductor.The resistance ofsuch materials has a very large negative temperature coeffcient.Such thermallysensitive resistors,known as“thermisters”,have found wide range of appli-cations in thermometry,communication engineering,etc.In this investigationwe tried over hundred samples of metallic oxides and their mixtures fusedwith glass powder to form small compact bead on Pt lead wires.The sampleswere treated by a new firing technique which is very convenient in laboratory.Some samples made from mixed oxides of Mn,Co and Ni showing a resistanceof 10~4-10~5 ohms at room temperature and 10-100 ohms at 500℃ seem.verypromising for practical purposes.

多种重金属的氧化物,经高温煅烧后,均可呈现电子性半导体的性质,其电导随温度急剧变化,故可作测量温度之用,通常称热感电阻。从电导的对数与温度的倒数的图中,可以推算半导体电导性所需的电子能位差。本文试验氧化物混入玻璃粉制成的小珠,用半导体体内电热法制成热感电阻,在常温时的电阻值为10~4—10~5欧姆,在500℃时只有10—100欧姆。半导体与铂导体线间的电性接触,经实验推知是良好的。这种制备方法,在实验室里,非常简易。经多次试验,以混合锰、钴、镍的氧化物和玻璃粉制成的电导性较大,有实用价值。

 
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