過甲酸 的英文怎麼說
中文拼音 [guòjiǎsuān]
過甲酸
英文
performic acid-
Using ethyl cyanoacetate, triethyl orthoformate and methylhydrazine as main raw materials, the herbicide pyrazosulfuron was prepared through the reactions of substitution, amination, cylclization, diazotization and chlorosulfonation
摘要以氰乙酸乙酯、原甲酸三乙酯和甲肼等為主要原料,通過取代、胺化、環化、重氮化和氯磺化等反應制得了除草劑吡嘧磺隆原料藥。In this paper, we reported the synthesis of three supramolecular complexes between - cyclodextrin and anisole, ethyl benzoate, m - cresol, respectively, which are identified by means of 1hnmr technique
摘要以-環糊精與苯甲酸乙酯、苯甲醚和間甲酚在水相中通過范德華力發生包合反應形成了主客體超分子絡合物,並用核磁共振氫譜對絡合物進行了表徵。Synthesis and characterization of transition metal complexes with a schiff base ligand derived from glyoxal and o - aminobenzoic acid
乙二醛鄰氨基苯甲酸希夫堿過渡金屬配合物的合成和表徵Plastics - phenolic resins - determination of hexamethylenetetramine content - kjeldahl method and perchloric acid method
塑料.酚醛樹脂.六亞甲基四胺含量的測定.凱氏法和過氯酸法The experimental results showed that when sodium methoxide were joined, the yield of methyl carbamate as a intermedium was clearly increased., and even made clearly that the reaction was divided into two steps
實驗表明,通過引入少量的甲醇鈉,使中間產物氨基甲酸甲酯的產率有明顯提高,進而表明尿素醇解是分兩步進行的。This paper introduces dynamic real - time simulation training system for the whole process of the third pta plant of yangzi chemical plant with an annual production capacity of 450 kilotons
摘要介紹揚子化工廠pta三線年產45萬噸對苯二甲酸全流程模擬培訓系統的開發過程。A computer code for simulating continuously stirred gas - liquid reactors of p - xylene oxidation to terephthalic acid was developed
摘要建立了一個用於模擬對二甲苯氧化制對苯二甲酸過程的連續氣液攪拌釜反應器模型。The effects of the method repeatability, sample mass, standard titrate solution and enviroment temperature on the uncertainty of pta acid value determined with titrimetry were assessed and discussed
摘要對滴定法測定精對苯二甲酸酸值的過程中的方法重復性、樣品質量、標準滴定溶液、環境溫度等方面對不確定度影響進行了評定討論。Synthesis of complexes of transition metal selenates with aminoacids
氮支冠醚二硫代甲酸根過渡金屬配合物的合成和性質Based on this point, our aim to obtain the high performance materials should be carried out as well as the er behavior be actualized through the chemistry design. in this paper, 4 supramolecular complexes of - cyclodextrin inhydrosoluble polymer / l - ( 2 - pyridlazo ) - 2 - naphthol, 6 hydrosoluble - cyclodextrin polymer / 3 - hydroxy - 2 - naphthoic acid, 2 - cyclodextrin - starch resins and 6 supramolecular complexes of - cyclodextrin - starch copolymer / substituted salisylic acid and 3 - hydroxy - 2 - naphthoic acid er particles were prepared, respectively. the structure of these particles was characterized by ir, nmr, uv - vis, the fluorescence analysis, element analysis, and etc, respectively
在本項研究中,分別制備了4種不溶性-環糊精聚合物及其與1 - ( 2 -吡啶偶氮) - 2 -萘酚構築的超分子配合物、 6種水溶性-環糊精聚合物及其與3 -羥基- 2 -萘甲酸的超分子配合物、 2種-環糊精澱粉樹脂及6種-環糊精澱粉共聚物與取代水楊酸、 3 -羥基- 2 -萘甲酸形成的超分子配合物顆粒,通過紅外光譜、熒光分析、元素分析、電子吸收光譜及核磁共振譜等對它們的結構進行了表徵。Analysis of final products in composition of trimesic acid by catalytic oxidation method
空氣氧化法合成均苯三甲酸過程中的產物分析Thiourea dioxide, sodium percarbonate, furfuryl alcohol, furfural, thiourea, melamine, 2 - ethyl anthraquinore, titanium dioxide rutile and anatase, hydroxythyl methyl cellulose, hydroxypropyl met
二氧化硫脲,甲脒亞磺酸, fas紙漿漂白劑,過碳酸鈉,糠醇,糠醛,硫脲,Thiourea dioxide, sodium percarbonate, furfuryl alcohol, furfural, thiourea, melamine, 2 - ethyl anthraquinore, titanium dioxide rutile, titanium dioxide anatase, hydroxythyl methyl cellulose, hydr
二氧化硫脲,甲脒亞磺酸, fas紙漿漂白劑,過碳酸鈉,糠醇,糠醛,硫脲,四乙酰乙二胺。This paper describes several latest industrial microbial technologies in detail, which are the synthesis of the chiral diols by epoxide hydrolase from microbie, cofactors regeneration for redox with fdh, production of nano / micro wire by the phage display, metabolic network rebuilding for conventional fermentation and the application of the organic solvent tolerance and the metagenomics technology
本文綜述了幾項最新的工業微生物技術,主要包括:微生物環氧化水解酶催化合成手性二醇、微生物甲酸脫氫酶用於再生氧化還原反應的輔因子、通過噬菌體展示技術得到納米級金屬絲、代謝網路改造和重建用於傳統發酵生產以及有機溶劑耐受菌和宏基因組技術的應用。With the existing condition, the bar waveguide on the lithium niobate wafer with liquid phase proton - exchanged method has been fabricated and the benzoic acid is used as the proton source. a series of research on the domain inversion in lithium niobate crystal with proton - exchanged method have been done. and then the operation and the process of domain inversion in lithium niobate crystal with proton - exchanged method has been used
實驗方面,利用實驗室現有條件,在鈮酸鋰晶片上以苯甲酸為質子源,用液相質子交換法製作了條形波導;對用質子交換法實現鈮酸鋰晶體疇反轉進行了一系列實驗研究,在此基礎上提出了質子交換法實現鈮酸鋰晶體疇反轉的工藝過程,實現了疇反轉並腐蝕得到了v型槽;設計製作了帶尾纖的電光相位調制器,最後進行封裝。( 3 ) volume shrinkage of composite decreases greatly with wpu increasing, even can arrive a negative number, but thermal stability is still good. ( 4 ) toughening mechanism is that : the formation of high molecular linear amino formate construct is the toughening reason ; hydroxyl - terminated pu - prepolymer and pf react to produce chemical bond effect which participate cure ; carboxyl - terminated pu - prepolymer and pf form semi - ipn which make toughened pf occur maximum
( 4 )通過紅外光譜對pf / pu共混物分子結構進行的定性分析、以及掃描電鏡對沖擊斷面形貌進行的分析,可證明聚氨酯預聚物增韌酚醛樹脂的機理是:兩個體系都是由於高分子量的線形氨基甲酸酯結構而增韌;端羥基pu與pf在共固化中產生化學鍵效應,參與pf的固化;而端羧基pu則與pf形成半互穿網路而增韌。The obtained data can be used in the simulation of the multistage decompression evaporation crystallization process
所得數據可以用於粗對苯二甲酸多級降壓蒸發結晶過程的模擬。Cyclic voltammetry ( cv ) and linear scanning microscopy ( lsv ) results show that the anode reactive rate is limited at low electrode voltage for electro - oxidation of methanol, formaldehyde or formic acid, the over - voltage being about soomv
循環伏安和線性掃描曲線表明甲醇,甲醛和甲酸在低陽極電位下反應速率有限,存在約300mv的過電位。Polyurethane and a five - millimeter - thick silicone skin, soft and specially colored, cover a metal skeleton
金屬骨架外包覆著聚氨甲酸酯與五公?厚的矽膠皮膚,經過特殊上色,觸感柔軟。Abstract : inhibition mechanisms of sulphate reduction to methane - producing bacteria ( mpb ) in the process of anaerobic digestion of high - sulphate - content wastewater were described in this paper. they were described mainly by the competition between sulphate - reducing bacteria ( srb ) and methane - producing bacteria ( mpb ), and inhibition of sulfide produced by the microbial reduction of sulphate, meanwhile, the present anaerobic digestion technologies for the high - sulphate - content wastewater treatment were introduced
文摘:本文通過硫酸鹽還原菌和產甲烷菌的競爭、硫化物對產甲烷菌的毒害二方面,論述了在高硫酸鹽有機廢水厭氧處理過程中,硫酸鹽還原作用對產甲烷菌活性的抑制機理,同時,介紹了當前高硫酸鹽有機廢水的厭氧處理工藝。分享友人