phosphite 中文意思是什麼
phosphite
解釋
n. 名詞 【化學】亞磷酸鹽。-
Preparation of ultra - fine dibasic lead phosphite powder by precipitation method
化學沉澱法制備超細二鹽基亞磷酸鉛粉體 -
Congo - red method was used to determine the thermal stabilization ability of products, which were consisted of dibasic lead phosphite and tribasic lead sulfate. the results showed that the nanometer stabilizer obviously increased the ability of thermal stabilization. in the same thermal stability level it could cut 25 % - 33 % amount of lead salt than using ordinary products
利用剛果紅法測試了納米二鹽和三鹽復合物的熱穩定效果，結果表明納米鉛鹽能明顯地提高熱穩定性，在保證pvc熱穩定性的同時可較普通鉛鹽減少用量25 ? 33 ，同時討論了添加劑在加入時應注意的問題。 -
Standard specification for zinc hydroxy phosphite pigment
磷酸氧化鋅顏料的標準規范 -
Test method for analysis of zinc hydroxy phosphite pigment
羥基亞磷酸鋅顏料的分析試驗方法 -
Synthesis of dimethyl phosphite in solvent
溶劑法合成亞磷酸二甲酯 -
Identification the impurities of the triethyl phosphite by gc - ms and study on the technics of synthesis
聯用技術鑒定亞磷酸三乙酯中雜質並探討其合成工藝 -
The structure of di - n - propyl phosphite and propaphos prepared were identified by ir and 1h - nmr spectra
二正丙基亞磷酸酯和丙蟲磷的結構用ir和1h - nmr表徵。 -
Hydrothermal synthesis and characterization of organically templated vanadium phosphite with three - dimensional structure
有機模板劑三維磷酸亞磷酸釩化合物水熱合成與結構表徵 -
Studies on the synthesis of grafted copolymer polyol with dimethyl ally phosphite onto unsaturated flame retardant polyether polyol
不飽和阻燃聚醚多元醇接枝烯丙基膦酸二甲酯共聚物的合成研究 -
Producter of phosphorous acid, dimethyl and diethyl phosphite, and co - product hydrochloric acid. the phosphites find use as pesticide intermediates
-生產醫藥中間體，如克拉黴素，西洛他唑，頭孢他啶，醋氯芬酸等。 -
Based on orthogonal test, the factors influencing the synthesis of di - n - propyl phosphite, such as reaction temperature, reaction time and molar ratio of reactant, were investigated
通過正交優化試驗，考察了溫度、時間和物料配比對二正丙基亞磷酸酯的合成收率的影響。 -
Lead hydrogen phosphite superfine powder, lead oxide phosphite hydrate superfine powder and tribasic lead sulfate superfine powder were prepared by micro - liquid - phase synthesis method ( mlps method ) in this paper. at room temperature, acetic acid worked as catalyst, lead oxide and phosphite or sulfate were blended thoroughly, then were ground for tens minutes
本文採用微液相合成法制備了亞磷酸鉛、二鹽基亞磷酸鉛和三鹽基硫酸鉛超細粉末，以氧化鉛和亞磷酸或硫酸為原料，以醋酸為催化劑，在室溫下充分混合、研磨幾十分鐘，乾燥后即可得到產物。 -
Tem was used to consecutively investigate the size and appearance of dibasic lead phosphite in the reaction process. it found that nanocrystal grain of lead oxide phosphite hydrate had favorite direction in the mlps method, many nanocrystal grain in near area would aggregate and assembled as nanowire, the diameter of the nanowire was about a crystal grain size and the length of nanowire could reach hundreds of nanometers, then they would gather to needle or bar like particles
利用tem對二鹽基亞磷酸鉛在反應過程中粒子的大小、形貌進行跟蹤觀察，並記錄下三個時間下的微粒照片，發現用微液相合成法制備的二鹽基亞磷酸鉛晶粒在生長團聚時存在取向規律，同一區域的晶粒會長成一條納米線，直徑有一個晶粒的大小，長度可以達到幾百nm 。 -
In this paper, three alkyl substituted dimethyl phosphonates have been synthesized by trimethyl phosphite with 1 - bromopentane, 1 - bromohexane and 1, 2 - dibromoethane. ir, 1h - nmr and 13c - nmr data of these compounds have been reported
摘要以溴戊烷、溴己烷、 1 ， 2 -二溴乙烷和亞磷酸三甲酯為原料，分別合成了戊基、己基、溴乙基取代的三種膦酸二甲酯化合物。並報道了所合成的化合物的紅外光譜、核磁共振氫譜及核磁共振碳譜的數據。 -
An organ phosphorous pesticide, 4 - ( methylthio ) phenyl di - n - propyl phosphate ( propaphos ), and intermediates, di - n - propyl phosphite and di - n - propyl chlorphosphate, were synthesized by using n - propanol, phosphorus trichloride, 4 - ( methylthio ) phenol, etc. as starting materials
摘要以正丙醇、三氯化磷、 4 -甲硫基苯酚等為原料，合成有機磷殺蟲、殺菌劑丙蟲磷以及中間體二正丙基亞磷酸酯等。 -
Meanwhile, the reaction conditions for synthesis of propaphos, such as reaction temperature, reaction time, molar ratio of reactant were investigated, and the optimal one were found as the following : molar ratio of 4 - ( methylthio ) phenol, phosphite and sodium hydroxide 1 : 1. 4 : 2. 3, reaction temperature 70, reaction time 2 h
同時，較系統地考察了高選擇性有機磷殺蟲、殺菌劑丙蟲磷的合成的工藝條件如反應溫度、反應時間、縛酸劑種類以及縛酸劑的用量。
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