醚酸 的英文怎麼說
中文拼音 [mísuān]-
Using refined cotton, chloroacetic acid, sodium hydroxide and hydrogen peroxide as main feedstock, sodium carboxymethyl cellulose was made by the process of basification, etherification, abstersion and drying
摘要以精製棉、氯乙酸、氫氧化鈉和過氧化氫為原料,經過堿化、醚化、洗滌、乾燥,制得羧甲基纖維素鈉。The synthesis process of acetimidoyl ethyl ether hydrochloride was introduced, and the preparations of acetamide, ethyl acetate, acetamidine hydrochloride, triethyl orthoacetate, n - cyan - iminoester hydrochloride and hydrazone by acetimidoyl ethyl ether hydrochloride were summarized
摘要介紹了亞氨基乙醚鹽酸鹽的合成工藝,總結了亞氨基乙醚鹽酸鹽制備乙酰胺、乙酸乙酯、鹽酸乙脒、原乙酸三乙酯、 n -氰基乙亞氨酸乙酯以及腙類化合物的合成方法。Polyether polyols - determination of acid number
聚醚多元醇中酸值測定方法It is white crystal powder, odorless and slightly bitter ; hardly soluble in ethanol, chloroform, aether and benzene and soluble in solutions whose ph value is less or more than 7
本品在水中易溶,在乙醇、丙酮、氯仿或乙醚中幾乎不溶。本品為兩性化合物,能溶於酸性溶液或堿性溶液。Properties : white light powder, insoluble in water but soluble in ethanol and aether. absorbs moisture from the air. decompounds into stearate and calcium when meeting strong acid
物理性能:硬脂酸鈣,為白色輕質粉末,不溶於水,溶於熱的乙醇和乙醚,在空氣中吸收水分,遇強酸分解成硬脂酸和相應的鈣鹽。( 2 ) in ( no3 ) 3 was dissolved in acetylacetone in the mol ratio of l : 3. they were mixed for about 3 hours to obtain acetylacetone salts. then glycol methyl aether was added in the ratio of 1 : 40 to obtain indium oxide sol. sncl4 was dissolved in glycol methyl aether and then added into the indium oxide sol to prepare transparent and stable ito sol
( 2 )通過將銦的無機鹽硝酸銦與乙酰丙酮按摩爾比1 : 3 ,混合攪拌3h左右得到銦的乙酰丙酮鹽,然後按一定摩爾比加入乙二醇獨甲醚溶液,混合攪拌制得氧化銦溶膠,再將一定量的sncl _ 4溶入乙二醇獨甲醚,摻入氧化銦溶膠制得透明穩定的摻錫氧化銦溶膠( ito溶膠) ,該溶膠性能穩定,易於成膜。Hydrochloric acid afghanistan ; argentina ; bangladesh ; bolivia
丙酮;乙醚;鹽酸4. aliphatic alcohol polyoxyethylene ether ammonium sulfate aesa70
4脂肪醇聚氧乙烯醚硫酸銨aesa70It was proposed that the catalytic amination of metyl t - butyl ether by solid acid was a promising " green " process
指出固體酸催化甲基叔丁基醚的氨化是值得開發的綠色化工技術。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。Preparation of the salt forms of sulfonated poly aryl ether ketone ketone
聚醚酮酮磺酸鹽的制備Under acid condition open chaining crown ether diaromatic aldehyde can react, and they will synthesize a compound of chaining crown ether diaromatic aldehyde thiosemi - carbazone kind
摘要鏈狀冠醚二芳醛在酸性條件下與氨基硫脲反應,合成了鏈狀冠醚二芳醛縮氨硫脲類化合物。In trpsin tolerance assay. this virus could resist to 1 % trpsis at 37 in an hour. in acid tolerance assay, this virus was resistant to ph3. 0 and ph5. 0 at 37 in 2 hours, and the average infection litre of the virus decreased little. in heat assay, at 50, the virus was processed from 5 minutes to 150 minutes and at each condition the viral virulence reduced to some certain degree. among these conditions, when at 50 in 30 minutes. the average infection litre of this virus decreased over 2 tilre. and when al 50 in an hour, cpe of ihis virus disappeared. when time was set for an hour. but with processed in different temperature as 50 60 70, 80, the virus losl the multiplication capacity complelely. in biological assay, we selected different cell lines to cultivate this virus by laking advantage of possesional cells at that time in our laboratory. then we found that fcwf cell line was the most sensitive to dxmv and mdck was the second. with f81 cell line, after passaged for 12 times continuously with low concentration of fcs. the virus could produce cpe. however, with vero cell line. the virus could not procuce any cpe after many passages. the hemagglutination and lumadsorption reaction test proved that this virus had no any reaction to erythrocyte of pig, fowl and cavy. by neutrolizaion assay, dxmv could be identified as a kind of ccv
理化學研究表明,該病毒為rna病毒,對氯仿、乙醚敏感;胰酶試驗中,經37 、 1小時處理的病毒,仍然能夠在貓源細胞fcwf細胞上生長,並且毒力基本保持不變;耐酸性試驗中,病毒分別在ph5 . 0和ph3 . 0經37作用2小時,毒力僅下降一個滴度;耐熱性試驗中,該病毒在恆定溫度50 ,設定不同時間,從5分鐘到150分鐘,毒力均有不同程度下降,其中, 50作用30分鐘,病毒平均滴度下降2個單位; 50 , 60分鐘, cpe消失;恆定時間1小時,設定不同溫度( 50 - 60 - 70 - 80 ) ,病毒在細胞上完全喪失增殖能力, cpe消失。生物學試驗,利用實驗室現有條件,選擇不同的細胞系對該病毒進行培養,發現該病毒對貓源細胞fcwf最敏感; mdck細胞次之; f81細胞經多次傳代,亦可出現cpe ;而vero細胞則不敏感。血凝試驗表明,該病毒對豬、雞、人及豚鼠的紅細胞均無血凝性。Study on cyanate ester resin modified with polyphenylene oxide
聚苯醚改性氰酸酯樹脂的研究Study on the modification of polyethers by using dibasic acids as chain extending agents
以二元酸為擴鏈劑進行的聚醚改性研究Ammonium nitrate - method for determination of matter soluble in diethyl ether
硝酸銨.第10部分:二乙醚中可溶物質測定方法Synthesis and characterizations of alkylated diphenyl ether disulfonate
烷基二苯醚雙磺酸鹽的合成與性能The determination of schiff base - acyclic crown ethers dissolubility and acid dissociation constant
堿型羧酸開鏈冠醚溶解性及酸離解常數的測定The research progress in graft copolymers starch, ionized modified starch such as etherified starch and xanthate modified starch, and theirs application in water treatment were introduced
針對接枝類改性澱粉絮凝劑、離子化改性澱粉絮凝劑如澱粉醚類化合物以及澱粉黃原酸脂類等天然改性澱粉絮凝劑的研究進展及在水處理中的應用進行了綜述。Plastics. basic materials for polyrethanes. determination of the acid index of polyethers
塑料製品.聚氨基甲酸酯塑料.聚醚.聚醚酸指數的測定分享友人