Effect of relation between ionization chamber and photographic position on X-ray image quality;
电离室与摄影部位的关系对图像质量的影响
Analysis of influence of ionization chamber in X-Knife Measurement;
X刀测量中电离室的影响因素分析
The development and property evaluation of patient dose area product ionization chamber;
DAP电离室的研制及其特性研究
Objective To study calculating kilovolt index n value with ion chamber automatic exposure system and the relationship between filter thickness,atomic number and n value.
目的探讨利用电离室自动曝光系统计算千伏指数n值,以及滤过质厚度、原子序数对n值的影响。
Film dosimeter and pinpoint ion chamber were used to establish a reliable dosimetry system,and a nasopharyngeal cancer (NPC) patient was selected as an example to establish in-phantom dose-measurement based verification technique for IMRT.
该文将胶片剂量仪和针点电离室作为主要测量工具,介绍了剂量测量系统的建立方法;并选择1例鼻咽癌患者,介绍模体内剂量实测为基础的调强适形放射治疗计划剂量验证方法。
The method of how to measure the absolute intensity in the wavelength range 12-34nm utilizing the double ion chamber is introduced.
介绍了利用双极型稀有气体电离室进行真空紫外波段(12~34nm)绝对光强测量的方法,并对Ar在12~34nm波段的电离吸收截面进行了测量。
Study on NaX Zeolite-Filled PDMS Membrane for Propylene/Propane Separation
NaX分子筛填充PDMS膜对丙烯/丙烷分离性能的研究
Study on Novel Composite Membrane for Olefins and Paraffins Separation;
新型复合膜对丙烯/丙烷分离性能的研究
Preparation of PPESK/PEI Hollow Fiber Composite Membrane for Propylene and Propane Separation
丙烯/丙烷分离用PPESK/PEI中空纤维复合膜的研制
New process for separating propylene and propane by extractive distillation with aqueous ACN
含水乙腈萃取精馏分离丙烷/丙烯的新工艺
Research on Separation of Hexafluoropropylene and Hexafluoropropylene Oxide;
全氟丙烯和全氟环氧丙烷混合物的分离技术研究
Liquid Phase Alkylation of Isopropylbenzene with Propylene over YSBH-4 Molecular Sieve Catalyst
YSBH-4分子筛催化异丙苯与丙烯液相烷基化反应
Selective oxidation of propane to acrolein over Mo-based multicomponent catalyst
Mo基多组分催化剂催化丙烷选择氧化制丙烯醛
dodecyl methacrylate
甲基丙烯酸十二烷酯
Alkylation of Benzene with Propylene Catalyzed by Ionic Liquids;
离子液体催化苯与丙烯烷基化反应的研究
trimethylolpropane monoallylether
三羟甲基丙烷单烯丙基醚
Welded steel cylinders for liquefied propylene and propane gases
GB17673-1999液化丙烯、丙烷钢质焊接气瓶
A Tentative Study on Selective Oxidation of Propane to Acrylic Acid and Acetic Acid by Lattice Oxygen
丙烷晶格氧选择氧化制丙烯酸和乙酸
Study on the Synthesis of Cyclopropanes and Cyclopropenes;
环丙烷和环丙烯类化合物的合成研究
Oxidative dehydrogenation of propane to propylene with MoCe_xO_y catalyst
丙烷在MoCe_xO_y催化剂上氧化脱氢制丙烯
Study on γ-Methacrylate Acyloxy Propyl Tri-Isopropoxide Silane/Acrylate Copolymer
γ-甲基丙烯酰氧基丙基三异丙氧基硅烷/丙烯酸酯共聚乳液的研究
GAS CHROMATOGRAPHIC DETERMINATION OF TRIMETHYLOLPROPANE ACRYLATE WITH WIDE BORE FLEXIBLE FUSED SILICA CAPILLARY COLUMN
用宽孔弹性石英毛细管气相色谱法分析三羟甲基丙烷丙烯酸酯
Study on Catalyst and Membrane Reactor of Propane Partial Oxidation with Carbon Dioxide to Propylene;
二氧化碳部分氧化丙烷制丙烯催化剂及膜反应器的研究
Study on the Surface Reaction Behaviors of Propylene Partial Oxidation to Propylene Oxide;
丙烯部分氧化合成环氧丙烷表面反应规律的研究