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- trimethylene sulfid 硫苯环丁烷
- Kx Amino Trimethylene Phosphonic Acid. 氨基三亚甲基膦酸钾。
- Kx Potassium salt of Amino Trimethylene ... 氨基三甲叉膦酸钾 ATMP&%238226;
- trimethylene sulfide 硫杂丁环
- Poly(trimethylene terephthalate) (PTT), is a new promising polymer with potential applications. 聚对苯二甲酸丙二酯(PTT)是一种性能优异的新型聚酯树脂,近年来有很多关于PTT研究的报道。
- In the environment of oil refining plant, corrosion is caused mainly by sulfid and acidity medium. 由于炼油厂装置的腐蚀主要是由原油中的硫化物和酸性介质所产生。
- Poly(trimethylene terephthalate) (PTT)/montmorillonite (MMT) composites were prepared via in situ intercalative polymerization. 采用原位聚合法制备了聚对苯二甲酸丙二醇酯(PTT)/蒙脱土(MMT)复合材料。
- Tongchang orefield is a famous one of that is consists of imprtant polymetal sulfid deposits in the Mian County-Lueyang-Yangpingguan Area ,China. 铜厂铜矿田位于我国著名的勉略阳地区中,是重要的铜金多金属矿田。
- The surface has good chemical stability, and it won't react in alkali, sulfid, nitric acid and most organic acid, so it has good attrition performance. 良好的化学稳定性,在碱、硫化物、硝酸和大多数有机酸中均不发生作用。
- The changes of intrinsic viscosity and end carboxyl group content with temperature and time were studied for poly(trimethylene terephthalate)(PTT), PET and CDP. 研究了聚对苯二甲酸丙二醇酯(PTT),PET,CDP在不同温度和时间下的特性粘数和端羧基含量的变化。
- When metal-bearing solution moved along deep faults to cavities or frac tures, the metal cations reated with pyrite and organic matter and precipitated as sulfid... 在构造减压带中,铅锌配合物交代地层中的黄铁矿或被有机质还原而沉淀富集。
- This paper introduces the preparing method, the structure, the properties and applications of poly (trimethylene terephthalate) (PTT), and it compared with PET, PBT et al. engineering plastics. 本文介绍了聚对苯二甲酸丙二醇酯(PTT)的制法、结构、性能及应用,并和PET、PBT等工程塑料进行了比较。
- The cost to produce trimethylene glycol by hydroformylation of ethylene epoxide and syngas (CO/H 2) is 22.4 USD/kg less than that by hydration of acrolein and hydrogenation of the intermediates. 以环氧乙烷与合成气(CO/H2)进行氢甲酰化反应制取1,3-丙二醇的生产成本比由丙烯醛水合和中间产物加氢制取1,3-丙二醇的生产成本低22.;4美分/kg。
- Leaching Gold from Sulfid Ore by Method of Bromide 溴化法浸取硫化矿中的金
- tetramethyl trimethylene diamine 四甲基丙二胺
- Keywords cracks caused by hydrogen;hydrogen sulfid; 复膜金相;氢致开裂;硫化氢;
- Poly(trimethylene terephthalate) (PTT) 聚对苯二甲酸丙二醇酯
- Keywords Heat treatment;Crack in axes;Sulfid; 热处理;轴心间裂纹;硫化物;
- trimethylene bis (N-ethyl-N-phenyldithiocarbamate) 双(N-乙基-N-苯基氨基二硫代甲酸)1,3-丙二醇酯
- poly ( trimethylene terephthalate) 聚对苯二甲酸丙二酯
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries