Impurity相关论文
对一维完整单原子链的晶格振动、加入杂质原子后的晶格振动与局域振动模的分布情况以及在自由边界条件下的晶格振动进行了研究。首......
杂质光伏太阳电池是一种能够利用那些能量小于禁带宽度的太阳光子以提高电池转换效率的新型太阳电池。利用数值方法研究在硅电池中......
In this work we study the adsorptions of some small molecules or group on the hydrogenated C(100)-2×1 surface using den......
Non-stoichiometric compound fluoride-doped LiFePO4/C cathode materials were synthesized via solid-state reaction using M......
目的建立同时测定依折麦布瑞舒伐他汀钙复方片(10,5 mg)中依折麦布(EZT)和瑞舒伐他汀钙(ROS)有关物质的方法。方法采用反相高效液......
Niobium(V) ethoxide(Nb(OEt)5) was synthesized by electrochemical reaction of ethanol with niobium plate as the sacrifici......
The sapphire (Al2O3) single crystal is a kind of excellent infrared transmission window materials. A large-sized sapphir......
In this paper, the dielectric properties of silicon nitride are studied using the dielectric polarization theories. Acco......
A novel red phosphor Ca2GeO4:Eu3+ was prepared by the traditional solid state reaction. X-ray powder diffraction (XRD) a......
Crystal structures,electronic structures and optical properties of nitrogen and ytterbium doping anatase TiO_2 were calc......
Using the first-principles calculations, we study the structural, electronic, and magnetic properties of vanadium adsorb......
Impurity components decrease stage by stage in a cascade of rare earth (RE) extraction separation, and adjacent stage im......
To more in depth understand the doping effects of oxygen on Si Ge alloys, both the micro-structure and properties of O-d......
The large disc LaFe11.6Si1.4 alloy, which was prepared by medium-frequency induction furnace, was annealed at 1503 K for......
通过真空蒸馏实验和理论分析研究了杂质在蒸馏产物金属铽中的分布规律。研究结果表明:在蒸馏产物中,钛杂质在蒸馏初期的含量为220 ......
An evaluation of the influence of impurity concentration and composition in concrete on activation a
The content analysis of radioactive waste and radiation dose evaluation is considered as one of the important factors in......
目的:采用反相高效液相色谱法对部分国产注射用头孢他啶和原研注射用头孢他啶的杂质进行研究。方法:采用自身对照法对杂质进行定量......
目的合成依折麦布原料药中的2种主要杂质。方法依折麦布(1)经氯代铬酸吡啶盐(PCC)氧化制得杂质Ⅰ;以依折麦布中间体1-(4-氟苯基)-3......
目的 改进格列美脲有关物质检测的高效液相色谱法.方法 采用Agilent Zorbax SB-C18色谱柱(250 mm×4.6 mm,5 μm),以磷酸二氢钠溶......
目的为了加强抗糖尿病药物维达列汀原料药的质量控制,合成了维达列汀的3个特定杂质。方法维达列汀(1)经闭环反应制得杂质A;以杂质A......
Identification of impurities in nafamostat mesylate using HPLC-IT-TOF/MS: A series of double-charged
Nafamostat mesylate is a serine protease inhibitor used in the treatment of acute pancreatitis. The im-purities in nafam......
The linear and nonlinear optical absorption coefficients (ACs) and refraction index changes (RICs) of 1s-1p,1p-1d,and 1f......
目的:建立甲磺酸伊马替尼中4-甲基-N-[4-(3-吡啶基)-2-嘧啶基]苯-1,3-二胺的测定方法。方法:采用LC-MS/MS法测定;ESI离子源,正离子......
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
The effect of Al and Cr elements on the oxidation resistance of MoSi2 via first-principles calculati
The properties of structure,energy and oxidation resistance of interstitial and substitutable MoSi2 systems have been in......
The interactions between solitary waves and impurities have been studied experimentally in a 1D nonlinear coupled pendul......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
Space-time Resolved Spectroscopic System Based on a Rotating Hexahedral Mirror for Measurement of Vi
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
Spectroscopic studies of fuel recycling and impurity behaviors in the divertor region of Wendelstein
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
磷矿中的杂质以离子形态进入湿法磷酸(WPA)中,少量的离子生成沉淀物进入磷石膏中.对杂质离子给磷肥,饲料级、工业级与特种磷酸盐的......
The influence of tin on the hot ductility of a 0. 15wt%C steel is investigated using a continuous-casting thermal simula......
Pharmaceutical excipients for topical use may contain impurities, which are often neglected from a toxicity qualificatio......
A notch sensitivity factor was derived in order to evaluate the stress concentration sensitivity of Al-Li based alloys. ......
Reduction of Bama ilmenite concentrate containing 49.78% TiO2 and 27.96% total Fe by graphite was studied using thermogr......
目的合成替韦立马原料药中的两种立体异构杂质(1,2),用于其质量及毒理学研究。方法通过改变环庚三烯与顺丁酸酐的缩合条件,合成了......
本文通过对荣华二采区10...
Impurity is one of the key issues on a great impact to the quality of tokamak plasma.HL-2A is the first divertor tokamak......
Identification, synthesis and characterization of an unknown process related impurity in eslicarbaze
A new impurity was detected during high performance liquid chromatographic (HPLC) analysis of eslicarbazepine acetate ac......
During the routine impurity profile of lisinopril bulk drug by HPLC (high-performance liquid chromatography), a potentia......
In this paper, crystal growth instability of diamond was studied in a Fe-Ni-C system at high temperature-high pressure (......
Gadolinium(Gd) used as magnetic refrigerant always works in water environment.However, its poor corrosion resistance is ......
We investigate the entanglement of the three-qubit Heisenberg XXX chain in the presence of impurity and obtain the analy......
We have experimentally investigated interactions between impurities and hydrodynamic solitons in a shallow water trough ......
目的研究奥贝胆酸关键双键杂质的合成方法。方法以鹅去氧胆酸甲酯为起始原料,通过上TMS保护剂、羟醛缩合、水解和还原反应等步骤得......
为了完善头孢地尼原料药的质量控制,建立其质量标准,从头孢地尼的合成路线入手,分析并合成其中可能存在的5种杂质:噻唑乙酰基甘氨......
杂质是影响碲镉汞器件性能的重要因素之一。对于碲锌镉衬底晶体和窄禁带碲镉汞材料来说,杂质的影响更加显著。主要论述了碲镉汞材......
采用Negativity研究了匀强磁场下自旋为1的3-qutrit海森堡XX模型的基态纠缠和热纠缠.分别探讨了纠缠伴随杂质,温度、磁场的变化情......
