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石英     
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  quartz
     Experimental Study of Detection System of Quartz Oscillation Gene Sensor Array with Strand Extension Reaction and PNA
     链延伸及肽核酸石英谐振式基因传感器阵列检测系统的实验研究
短句来源
     Study on the Torsional Effect of Piezoelectric Quartz Disc and Manufacture of a New-type Torque Sensor
     压电石英晶片扭转效应研究及新型扭矩传感器的研制
短句来源
     STUDIES CONDUCTED DURING 1960-61 ON THE INCREASE OF NEUTRON DIFFRACTION INTENSITY IN VIBRATING QUARTZ PLATES
     1960—1961年观察到的压电振荡对石英单晶片进行中子衍射的影响
短句来源
     Development of a low noise 3.39μm He-Ne laser with quartz discharge tubes of separate sections
     石英分段放电管低噪声3.39微米氦-氖激光器的研制
短句来源
     The Study and Design of YDS-Ⅲ79B, YDS-Ⅲ79K Type Piezoelectric Quartz Three Component Force Transducers
     YDS-Ⅲ79B,YDS-Ⅲ79K型石英晶体三维力传感器的设计与研究
短句来源
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  silica
     The phase relations in the ternary systems Ag_2S-Cu_2S-PbS and Ag_2S-Cu_2S-Bi_2S_3 were studied using the silica vacuum technique.
     本文用抽空石英管法对三元硫化物体系Ag_2S-Cu_2S-PbS和Ag_2S-Cu_2S-Bi_2S_3在500℃的相图进行了研究。
短句来源
     Experimental Researches on Tm~(3+)∶Ho~(3+) Co-doped Silica Fiber Lasers
     Tm~(3+)∶Ho~(3+)共掺石英光纤激光器的实验研究
短句来源
     Application of Fused Silica Al_2O_3-PLOT column in Oil and Gas Geochemical Exploration
     石英Al_2O_3 PLOT柱在油气化探中的应用
短句来源
     Pumped by 514.5nm Ar ion laser, emission and superfluorescenoe at 1560 nm of Er-doped silica fiber were obtained.
     用Ar离子514.5nm激光泵浦掺Er石英光纤产生了1560nm的激光和超荧光输出。
短句来源
     Experiment on frequency upconverslon in Yb~(3+)/Ei~(3+) doped silica fibers
     掺Yb~(3+)/Er~(3+)石英光纤中频率上转换的实验研究
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  a quartz
     The new cascade lasings (2.3μm, 330.2m or 3.4μm 330.2nm) were observed in a quartz tube containing Na vapor excited by a two-photon pump of 602.22nm or 578.9nm).
     在石英管内,采用602.22nm(或578.9nm)双光子泵浦Na蒸气获得2.3 μm,330.2nm(或3.4μm,330.2nm)串接受激辐射. 它们分别来自于:(?)
短句来源
     Using a quartz tube furnace, tne Na2SO4 induced hot corrosion of five MCrAlY(Hf) alloys was studied at 600-750℃ in O2+0.15%(SO2+SO3) atmosphere at 1 atm.
     采用石英管式炉,在600~950℃,latm的O_2+0.15%(SO_2+SO_3)气氛中研究了5种MCrAIY(Hf)合金的硫酸钠诱发热腐蚀行为。
短句来源
     A GC analytical method for trace COS,H2S and AsH3 in propylene has been developed by using a quartz capillary column and a pulsed flame photometric detector (PFPD).
     介绍一个用石英毛细管柱和脉冲火焰光度检测器(Plsedflamephotometricdetector简称PFPD),测定丙烯中微量COS、H2S及AsH3的气相色谱分析方法。
短句来源
     A quartz crystal oscillator with 5. 12MHz serves as a basic frequency generator in the circuit and a sweep tracking low-pass filter is also used.
     电路用5.12MHz的石英晶体振荡器作为主频发生器,采用了频率跟踪低通滤波器。
短句来源
     However, to vacuum seal the sample which was prepared by mixed Mg and B with a atom ratio of Mg:B=1: 1.95 in a quartz , then held the sample at 800℃ for 1h is another synthesis method.
     在密封石英管中,Mg∶B=1∶1.95,800℃下保温1h是最佳的合成条件。
短句来源
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  quartz powder
     Used various of sources of SiO2, Si2N2O was prepared by carbothermal reduction and nitridation of SiO2. Thesesoures of SiO2 were: (A)natural quartz powder; (B) Na2SiO3;
     本文通过对比实验,分别以(1)天然石英粉(2)硅酸钠(3)碳酸钠与天然石英粉(4)活性SiO2等为原料合成氮氧化硅(Si2N2O)粉末。
短句来源
     In natural powdery Quartz the content of SiO2 is high 98.7%~99.3%,but the content of Fe2O3 is low 0.03%~0.04%. Its price is a half of the price of artificial quartz powder. The smear of paint prepared with natural powdery quartz and water grass is lighter 0.47~0.52 g.
     粉石英SiO2含量高(98.7%~99.3%),Fe2O3含量低(0.03%~0.04%),价格约为人工石英粉的一半,用它和水玻璃配制的面层料涂片重量较轻(0.47~0.52g),铸件表面粗糙度Rz>40μm。
短句来源
     This paper has studied the preparation of superfine SiO_2 powders and the effect of grinding acids with quartz powder of Yingkou by a ball-stirring mill.
     为了实现低成本、规模化制备质量稳定的超细SiO_2,本文以辽宁营口的石英粉为原料利用搅拌磨进行了超细SiO_2粉的制备及助磨剂作用试验研究。
短句来源
     The method of on line measurement and control of quartz powder purity was introduced.
     主要介绍了生产线上对石英粉纯度实施检测与调控的技术路线和方法。
短句来源
     The results showed the contents of urea and quartz powder would better to be 30% and 10%~20% respectively.
     结果表明 :尿素的用量控制在 3 0 %左右效果最好 ,石英粉用量为 10 %~ 2 0 %较为适宜 ;
短句来源
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  quartz
The PI solutions were micro-contact printed with the elastomeric PDMS replica on quartz slides.
      
Good surface-relief-grating structures were formed on the quartz slides.
      
The quartz slides covered with surface-relief-grating polymide (PI) films were then assembled into liquid crystal (LC) cells.
      
Diagnose Parameters of Plasma Induced by Femtosecond Laser Pulse in Quartz and Glasses
      
Electron plasma induced by a focused femtosecond pulse (130 fs, 800 nm) in quartz, fused silica, K9 glass, and Soda Lime glass was investigated by pump-probe technology.
      
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  silica
Preparation and Evaluation of 3,5-Dinitrobenzoyl-Bonded Silica Gel Stationary Phase for HPLC
      
In this paper, a new preparation method of 3,5-dinitrobenzoyl-bonded silica gel stationary phase (DNB) for HPLC was developed by using N-(β-aminoethyl)-γ-aminopropyl-methyldimethoxy silane as coupling reagent.
      
The samples were extracted with methanol-water (volume ratio), The extracts were cleaned up with a column of silica gel.
      
Water-borne raspberry-like PMMA/SiO2 nanocom-posite particles were prepared via free radical copolymerization of methyl methacrylate (MMA) with 1-vinylimidazole (1-VID) in the presence of ultrafine aqueous silica sols.
      
The average particle sizes and the silica contents of the nanocomposite particles were in the ranges from 120-330 nm and 15%-20%, respectively.
      
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  a quartz
According to direct mass measurements with a quartz crystal microbalance, all the forms of HRP formed monolayer coverage of the enzyme on the gold surface.
      
Wetting films of nonionic F108 triblock copolymer aqueous solutions with concentrations below the CMC containing an electrolyte (NaCl) and formed on a quartz substrate are studied.
      
A quartz sensor of small accelerations with a capacitive transducer is designed and produced, allowing one to measure spacecraft accelerations with a resolution of 10-7 m/s2 in the range ±10-1 m/s2.
      
The viscosities of glasses in the Cs2O-B2O3-SiO2 system are measured by the bending method on a quartz viscosimeter in the temperature range 300-670°C.
      
The temperature dependences of the shear viscosity of glasses in the Rb2O-B2O3-SiO2 system are investigated using the bending method on a quartz viscosimeter in the viscosity range 1011-1013 P.
      
更多          
  quartz powder
At the phase angles between 0.5° and 3.0°, the polarization for quartz powder with 10-μm particles is almost constant.
      
To study the inhibitory effect of oxymatrine (OM) on quartz-induced secretion of TNF-α in the fibroblast proliferation, a given amount of quartz powder and OM of different concentrations were put into the media of pure culture containing macrophages.
      
For example, fast saponification reactions as well as long lasting adsorption reactions of NaOH on quartz powder were recorded.
      
A single crystal of plagioclase was surrounded by quartz powder and water.
      
An investment based on hard plaster loaded with fine-grained quartz powder and good chemical removability was investigated.
      
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