- 更多网络例句与三氢化磷相关的网络例句 [注:此内容来源于网络,仅供参考]
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Three chiral phosphorus ligands were prepared using anisole as the startingat material.Their applications in the asymmetric hydroformylation and asymmetric conjug ed addition of diethylzinc to enones were investigated.
以苯甲醚为原料,合成了三种新的手性含磷配体,考察了三种配体在不对称氢甲酰化反应和ZnEt2对环己烯酮的不对称共轭加成反应中的应用。
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In this thesis, a convenient and efficient synthesis of highly functionalizeddihydropyrido[2,3-d]pyrimidines via a double [5 + 1] annulation strategy startingfrom easily available α-alkenoyl-α-carbamoyl ketene--acetals 1 and cheapreagents (NH4OAc, DMF, and POCl3) has been developed.
本论文探索了一种简便有效的合成高度官能化的二氢吡啶并[2,3-d]嘧啶的方法,此方法由易得的α-乙酰基-α-氨基乙酰基二硫缩烯酮1和便宜的试剂(醋酸铵,二甲基甲酰胺和三氯氧磷)通过两步[5 + 1]加成而实现。
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The phosphine and arsine absorb the ultraviolet light much more strongly than does silane, causing them to be deposited out on the walls of the container.
磷化氢和砷化三氢对紫外光的吸收比硅烷强烈得多,因此,它们就沉积在容器的器壁上。
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Was founded in 1993, after reorganization of assets in 2003 as "phosphide", more than 500 million fixed assets, the existing 150 staff, of whom technical staff of more than 20, are specializing in the production of phosphate (sodium pyrophosphate, disodium hydrogen phosphate, sodium hexametaphosphate, potassium dihydrogen phosphate, disodium hydrogen phosphate, trisodium phosphate) enterprise.
河南省焦作市磷化实业有限公司(原武陟县兴璋化工有限公司)建于1993年,后经2003年资产重组为"磷化",公司固定资产500多万,现有职工150人,其中技术人员20多名,是专业生产磷酸盐(焦磷酸钠,磷酸氢二钠,六偏磷酸钠,磷酸二氢钾,磷酸氢二钠,磷酸三钠)企业。
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Adenosine was used as the raw material, dissolved in triethyl phosphate and then esterified with thiophosphoryl chloride under 0~5℃ for 8h without water and oxgen, in alkaline condition provided by 2,6-dimethylpyridine, introducing thiophosphoryl ester to adenosine.Then superfluous triethylamine was added and reacted under 5℃ for 1h to synthesize rough 5'-AMPS.The unpurified product was appled to a DEAE Sephadex A-25 column and eluted with triethylammonium bicarbonate.
用腺苷为起始原料,溶解于磷酸三乙脂中后,在无水无氧环境中及2,6-二甲基吡啶提供的碱性条件下与三氯硫磷以0~5℃下发生酯化反应8h,将硫代磷酸酯引入腺苷,然后再与过量三乙胺在5℃下反应1h,合成粗产品,再用碳酸氢三乙胺作洗脱液,过DEAE Sephadex A-25凝胶柱纯化。
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Pentanediol reacted with phosphorus tribromide to make it mono-bromination, under the catalytic action of PPTs it reacted with 2,3-dihydropyran to protect another hydroxy group, then to react with triphosphine, produced quarterphossal.
再以1,5-戊二醇为原料,三溴化磷使之单溴代,得到5-溴-1-戊醇,在对甲苯磺酸吡啶盐的催化下与2,3-二氢吡喃反应保护其另一端的羟基,与三苯基膦反应生成季磷盐。
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Was founded in 1993, after reorganization of assets in 2003 as "phosphide", more than 500 million fixed assets, the existing 150 staff, of whom technical staff of more than 20, are specializing in the production of phosphate (sodium pyrophosphate, disodium hydrogen phosphate, sodium hexametaphosphate, potassium dihydrogen phosphate, disodium hydrogen phosphate, trisodium phosphate) enterprise.
河南省焦作市磷化实业有限公司(原武陟县兴璋化工有限公司)建于1993年,后经2003年资产重组为&磷化&,公司固定资产500多万,现有职工150人,其中技术人员20多名,是专业生产磷酸盐(焦磷酸钠,磷酸氢二钠,六偏磷酸钠,磷酸二氢钾,磷酸氢二钠,磷酸三钠)企业。
- 更多网络解释与三氢化磷相关的网络解释 [注:此内容来源于网络,仅供参考]
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arsine:胂
砷、锑、铋与氮、磷一样也能形成氢化物,它们都是无色具有恶臭的极毒气体,都不稳定,其稳定性按AsH3-SbH3-BiH3顺序依次降低. 在这三种氢化物中砷化氢(又称胂)(Arsine)较重要.
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epitasis:剧情向高潮发展
phosphine [化]磷化氢, 三氢化磷 | epitasis 剧情向高潮发展 | whitey 白人社会
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hydrogen fluoride:氟化氢
进一步分析三藩市的空气毒素数据,其中氟化氢(Hydrogen Fluoride)、盐酸(Hydrochloric Acid)、磷化氢(Phosphine)指数偏高,3种化学物质分别对於人体骨骼、呼吸道系统与全身器官都有害处.
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phosphorus pentoxide:五氧化二磷
本标准是为工作场所有害因素职业接触限值配套的监测方法,用于监测工作场所空气中无机含磷化合物[包括五氧化二磷(Phosphorus pentoxide)、五硫化二磷(Phosphorus pentasulfide)、黄磷(Yellow phosphorus)、磷化氢(Phosphine)、三氯化磷(Phosphor
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phosphide:磷化物 (名)
phosphene 光幻视, 眼内闪光 (名) | phosphide 磷化物 (名) | phosphine 磷化氢; 三氢化磷 (名)
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phosphine:磷化氢
本标准是为工作场所有害因素职业接触限值配套的监测方法,用于监测工作场所空气中无机含磷化合物[包括五氧化二磷(Phosphorus pentoxide)、五硫化二磷(Phosphorus pentasulfide)、黄磷(Yellow phosphorus)、磷化氢(Phosphine)、三氯化磷(Pho
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phosphine:[化]磷化氢, 三氢化磷
phenylaniline 苯基苯胺, 氨基联苯 | phosphine [化]磷化氢, 三氢化磷 | epitasis 剧情向高潮发展
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phosphite:亚磷酸盐 (名)
phosphine 磷化氢; 三氢化磷 (名) | phosphite 亚磷酸盐 (名) | phospholipid 磷脂 (名)
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Yellow Phosphorus:黄磷
本标准是为工作场所有害因素职业接触限值配套的监测方法,用于监测工作场所空气中无机含磷化合物[包括五氧化二磷(Phosphorus pentoxide)、五硫化二磷(Phosphorus pentasulfide)、黄磷(Yellow phosphorus)、磷化氢(Phosphine)、三氯化磷(Phosp
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phosphorus trichloride:三氯化磷
本标准是为工作场所有害因素职业接触限值配套的监测方法,用于监测工作场所空气中无机含磷化合物[包括五氧化二磷(Phosphorus pentoxide)、五硫化二磷(Phosphorus pentasulfide)、黄磷(Yellow phosphorus)、磷化氢(Phosphine)、三氯化磷(Phosphorus trichloride)、三氯硫磷(Pho