無水醚 的英文怎麼說
中文拼音 [wúshuǐmí]
無水醚
英文
absolute ether-
Specility : lt is white or near ly white unshaped power. lt has no odour, little sweet. lt can be dissolved in boiled waterand indissolved in ethano or aether
特徵：白色或類白色的無定型粉末；無臭、味微天甜，在沸水中易溶解，在乙醇或乙醚中不容。Dissolve in water, carbinol, ethyl acetate, ethanol, methylene chloride and hydrocarbon. store in obturation, photophygous, low temperature neutral or alkalescence condition. nvp is moderate poisonous, less smell causticity to rubber and leather
棕黃色或棕紅色成型粉狀，具有淡淡的特殊氣味，溶於水和乙醇，不溶於二乙醚和氯仿，穩定性好，無刺激，對細菌病毒真菌黴菌及孢子都有較強的殺滅作用。Colorless or light pale yellow liquid with the odor of leaves of ilex, soluble in alcohol, ether, slightly soluble in water, easy to change color in the air
本品為無色或淡黃色的油狀液體，有冬綠樹葉的香味，能溶於乙醇乙醚，微溶於水，置空氣中易變色。Taurine, a kind of nonprotein aminophenol and white acicular crystal, smell - less, sourish and innoxious. it is widely consisted in organisms and also a aminophenol with special physiological function
為白色針狀結晶、無臭、味微酸，溶於水，不溶於乙醇、乙醚和丙酮，無任何毒副作用。Occurs as a white or nearly white, granular or crystalline powder and as a mixture of various states of hydration, up to the trihydrate, depending on the method of isolation
本品為白色結晶性或顆粒性粉末本品在沸水中極易溶解，在水中溶解，在無水乙醇氯仿或乙醚中不溶。Results of experiments on antibacterial and antifungal activities showed that extracts of alcohol and acetic ester had remarkable bacteriostasis effects against 6 bacteria ; aqueous extract was more effective against fungi, and slight against bacteria ; petroleum ether extract had no effect against bacteria and fungi ; butylalcohol extract had different effects against bacteria, but had no effects against fungi
抑制活性試驗結果顯示：乙醇提取物和乙酸乙酯萃取物對供試的6種細菌有較強的抑制作用；水相對供試的5種真菌有較強的抑制作用，而且對細菌有較小抑制作用；石油醚相對真菌和細菌幾乎無抑制作用；正丁醇萃取物對細菌有不同程度的抑制作用，而對真菌無抑制作用。Granular anhydrous calcium chloride can be used as drying agent for drying nitrogen, oxygen, hydrogen, and sulfur dioxide gases. it also can be used as dehydrating agent in producing alcohol, ester, ether and propylene resin
無水氯化鈣可用作多用途的乾燥劑脫水劑，如用於氮氣氧氣氫氣氯化氫二氧化硫等氣體的乾燥，在生產醇酯醚和丙烯樹脂時用作脫水劑。A butylated hydroxyanisole or butylated hydroxytoluene or mixtures thereof within the limits specified in part ii of this schedule may be used in conjunction with propyl gallate or octyl gallate or dodecyl gallate or mixture thereof within the limits specified, provided that the total amount of antioxidant shall not exceed, in the case of anhydrous oils and fats and vitamin oils and concentrates, and partial glycerol esters, 300 parts per million, in the case of butter for manufacturing purposes, 240 parts per million and in the case of essential oils and isolates from the concentrates of essential oils, 1000 parts per million
A不超逾本附表第ii部所指明分量的經丁化作用的羥基茴香醚或經丁化作用的羥基甲苯或其混合物，可與不超逾指明分量的丙基?酸鹽或辛基?酸鹽或十二烷基?酸鹽或其混合物同時使用，但添加於無水食油及脂肪維他命油及其濃縮物及部分丙三醇酯的抗氧化劑總分量，不得超逾百萬分之300 ，添加於作製造用途的牛油的抗氧化劑總分量，不得超逾百萬分之240 ，而添加於香精油及香精油濃縮物的分離物的抗氧化劑總分量，則不得超逾百萬分之1000 。Appearance and properties ： a colorless ， hydroscopic ， oxidative crystal ， is soluble in water ， dissolves in ethyl alcohol ， and is slightly soluble in ether. irritant to eye and skin
性狀：無色結晶。有吸濕性。易溶於水；溶於乙醇；微溶於乙醚對有機物有氧化作用，對眼和皮膚有刺激性。A variety of artificial receptor molecules, such as cyclodextrin ( cd ), crown ethers, calixarenes and porphyrin, as typical host compounds, have attracted enormous research interest in their molecular recognition. among them, cds having an interior hydrophobic cavity and an exterior hydrophilic environment, as a buildup element of second generation supramolecule, can accommodate many organic, inorganic and biological molecules in their toroidal cavity to form stable host - guest inclusion complexes. therefore, they have been paid much attention by the researchers of supramolecular chemistry
在已報道的多種人工超分子主體物質中，以冠醚、環糊精（ cyclodextrin ，簡稱為cd ） 、杯芳烴及卟啉（ porphyrin ）為主體的分子識別研究引起了人們的廣泛關注，其中環糊精（ cd ）作為第二代超分子的構築體，其內腔疏水而外部親水，可以與許多有機、無機和生物分子形成包合物，從而成為超分子化學工作者感興趣的研究對象。It is anhydrous or the monohydrate. it is freely soluble in water and in glycerin, slightly soluble in alcohol, and insoluble in ether
白色或微黃白色結晶性粉末或顆粒，無臭，微黃，在空氣中易溶於水和甘油，微溶於醇，不溶於醚。The antimicrobial secretion could be divided into three sections, every section had antimicrobial activity. the first could be extracted by petroleum ether, the second could be extracted by ethyl alcohol, the third could dissove in water and could be separated by sephadex g - 50, g200 gel filtration chromatography and carbornmethyl cellulose - 1 anion - exchange chromatography and detected by a256, . the antimicrobial secretion had wide spectrum and had strong inhitory activity against germs and fungi, they could inhibit sixteen kinds of plant pathogenic germs, eight kinds of animal germs and eight kinds of plant pathogenic fungi
粗提物經石油醚萃取可得第一個活性部分，剩餘部分經無水乙醇萃取可得第二個活性部分，剩餘物質再經凝膠sephadexg - 50後有兩個峰，第二峰有活性，再經凝膠sephadexg - 200後有三峰，第二峰有活性，將其經過陽離子交換柱cm - 1後有兩峰，此兩峰均有抑菌活性。Mineral oil industrial grage is a colorless, transparent, odo - less, tasteless and oily liquid and free from fluorescence, it can dissolve in ether, chloroform, gassoline and benzene, not in water or alcohol
本品為無色、無嗅、無味、無熒光，透明之油狀液體。可溶於乙醚、氯仿、汽油及苯等溶劑，不溶於水及乙醇。Light liquid paraffin is a colorless, transparent and oliy liquid and free form fluored cence. it is odorless and tasteless, and it can disslve in chloroform, ether or volatile oil, not in water or alchol. most fatty oils can be mixed with it except castor oil
本產品為無色透明之油狀液體，無嗅，無味，無熒光能在氯仿、乙醚或揮發油中溶解，除蓖麻油外，與多數脂肪油均能任意混合，在水或乙醇中均不溶。Physical and chemical characteristic : colorless transparent liquid, especial smell. easy dissolve in alcohol, ether, acetone, etc. not dissolve in water
本品為無色至淡黃色油狀透明液體，具有特殊的氣味。不溶於水，易溶於醇、醚、丙酮等有機溶劑。It is widely consisted in organisms and also a aminophenol with special physiological function. it is originally found in cattles bile and its molecular formula is nh
為白色針狀結晶無臭味微酸，溶於水，不溶於乙醇乙醚和丙酮，無任何毒副作用。分享友人