酯基物質 的英文怎麼說
中文拼音 [zhǐjīwùzhí]
酯基物質
英文
ester-based material-
A mixture of catechin and epicatechin, procyanidin b4, 4 - hydroxy - benzoic acid and ethyl gal - late were purified and identified from grape seed procyanidin extract
得到2種原花青素的單體： （ + ） -兒茶素和（ - ） -表兒茶素； 1種原花青素二聚體b4 ； 2種其他酚類物質：對羥基苯甲酸及沒食子酸乙酯。( 2 ) an aminobenthiazole schiff base has been synthesized as a new fluorescence carrier by reacting 2 - aminobenthiazole with p - allyoxybenzoldohyde. the new kind of schiff base can be utilized for preparing an optical sensor, used for determining furazolidone based on the fluorescence quenching. aminobenthiazole schiff base immobilized on a glass plate surface by covalent bonding can circumvent the leakage of the fluorephore from the sensor surface and guarantee a relatively long working lifetime
（ 3 ）用強熒光基團2 -氨基苯並蒽酮與對烯丙氧基苯甲醛合成了另一種新的schiff堿類化合物，與甲基丙烯酸羥乙酯、丙烯酰胺、環乙二醇二丙烯酸酯共聚制得光極膜，制備了一種苯並蒽酮schiff堿光化學傳感器，可用於單質碘的測定。Glyceryl stearate se, dimethicone, stearic acid, batyl alcohol, carbomer, acrylates / c10 - 30 alkyl acrylate crosspolymer, xanthan gum, potassium hydroxide, camellia japonica seed oil, behenyl alcohol, hydrogenated palm oil, morigna pterygosperma seed oil, disodium edta, trifolium pratense ( clover ) flower extract, propylene glycol, phenoxyethanol, theanine, bis - behenyl / isostearyl / phytosteryl / dimer dilinoleyl dimer dilinolate, thermus thermophillus ferment, glycerin, sodium dehydroacetate, potassium sorbate
水溶液、丁二醇、鯨蠟辛酸、甘油、硬脂酸酸甘油酯、矽靈、硬脂酸、膠狀基質、丙烯酸脂、黃原膠、氫氧化鉀、山茶種子油、脂肪酸醇類、氫化棕櫚油、辣木種子萃取物植物添加物、離子鉗合劑、紅三葉草萃取物、丙二醇、苯氧基乙醇、單寧、植物甾醇、脫氫醋酸鈉、山梨酸鉀。All data indicated that f i was a pure substance. third, using modern analytic techniques such as nucleic magnetic resonance ( nmr ), infrared spectroscopy ( ir ), ultraviolet visible absorption spectra ( uv ) and mass spectrometry ( ms ), we analyzed the basic chemical structure of f i and nominated it phthalic acid di ( 3 - methyl ) nanyl ester ( pdne ). we estimated primarily it was a novel natural compound
第三，利用核磁共振，紅外光譜，紫外分析，質譜等現代分析測試技術對分離提取物f進行結構鑒定，解析出f的結構，初步推斷該物質為鄰苯二甲酸- （ 3 -甲基）壬酯（ pdne ） ，根據目前所掌握的資料，還沒有檢索到該物質相關的報道，初步認定為一種新型的天然產物。Scanning electron microscope ( sem ) and x - ray photoelectron spectroscopy ( xps ) studies indicated that the additive of cs _ 2 took part in the sei film - forming in the process of battery cycles. the elements of carbon, oxygen and fluorin are the main members in the compounds of sei film. sulfur is also one of the main elements of the sei film when the electrolyte included additive of cs _ 2
利用掃描電子顯微鏡和x射線光電子能譜研究表明，二硫化碳在電池的循環過程中參與了sei膜的形成， sei膜的組成物質中主要是c 、 o 、 f三種元素，加入二硫化碳后， s元素也成為主要組分， sei膜的主要組成物質有烷基氧鋰、烷基碳酸酯鋰、碳酸鋰、硫酸鹽、聚烯烴及氟化鋰等。Gardenia blue is the blue product of the reaction between iridoids extracted from gardenia and - amino acid with the presence of proteolytic enzyme
梔子藍色素是利用梔子中提取的環烯醚萜類化合物與伯氨基酸能在水解酯作用下產生的藍色物質。N - vinylpymolidone - co - 2 - hydroxyethyl methacrylate ( nw - co - hema ) copolymer had been widely studied and used as soft contact lens and controlled - releasing materials in foreign countrys. but this hydrogel material ' s oxygen penetration capability was closely correlated to its equation water content. when the hydrogel had high equation water content, its oxygen penetration capability was improved, but its mechanism performance was droped
N -乙烯基吡咯烷酮（ nvp ）和甲基丙烯酸-羥己酯（ hema ）的共聚物水凝膠作為軟質接觸透鏡材料（隱形眼鏡）和藥物釋控材料，在國外已經得到深入研究和應用，但是這種水凝膠材料的氧氣透過性能與其平衡含水量密切相關，水凝膠含水量較高，其氧氣透過性能有所提高，但材料的機械性能下降。Poly - 3 - hydroxybutyrate ( phb ) and other related polyhydroxyalkanoates ( phas ) are biodegradable thermoplastic polyesters stored in numerous bacteria as carbon and energy reserves and now have been regarded as ideal alternatives to traditional petroleum - derived plastics, which cause severe environmental and waste management problems
聚3 -羥基丁酸酯（ poly - 3 - hydroxybutyrate ， phb ）及其它類型的聚3 -羥基鏈烷酸酯同屬于聚酯類物質，是自然界中多種細菌的碳源及能源儲備物。Citric acid, taking the place of hno3, solutes the substance which does not solute in solution, and it acts as the ligand of metallic ionic and the hydrolysis catalyst of si ( oc2h5 ) 4, which reduces the pollution caused by no2 which forms at the decompose process of the hot treatment. by changing the means of calcine of the drier gel, choosing the suitable temperature to burn the gel, the high temperature calcine time is shorted, which solves the question of the long period calcine. so the preparation process of the matrix and composite was finished by using more lower temperature than the traditional solid state reaction and more shorter time than the traditional sol - gel process
結果使基質和復合物的制備在比傳統的固相反應法低得多的溫度下和比常規的溶膠凝膠法短得多的時間里完成；五、對基質及復合物的干凝膠、粉體和燒結體進行了ir 、 dta 、 xrd 、 seni及交流阻抗譜表徵，研究結果表明：在溶膠向凝膠的轉化過程中同時存在著正硅酸乙酯自身的聚合作用和檸檬酸鹽絡合物之間的聚合作用：干凝膠向產物粉體的轉化在400600c之間進行；基質li 。The approaches to improve the quality of new craft liquor were summed up as follows : proper selection and treatment of raw materials including alcohol, seriflux, food additives, heading liquor, and ending liquor etc. ; scientific liquor body design including the relations between microconstituents and ethyl caproate in luzhou - flavor lqiuor and the formula of new craft liquor etc ; use of traditional liquor production techniques coupled with modern bio - techs, formulation of the quality standards of new craft liquor as soon as possible and strict enterprise supervision to perfect enterprise quality guarantee system and to advance the development of new craft liquor and the improvement of liquor quality
摘要提高新工藝白酒質量的措施為：做好生產新工藝白酒基本原料如酒精、加裝水、食品添加劑、酒頭、酒尾等的選用及處理；對新工藝白酒酒體進行科學設計，包括濃香型白酒中微量成分與己酸乙酯的關系、新工藝白酒的配方等；運用傳統白酒生產工藝，結合應用現代先進的生物技術，盡快制訂新工藝白酒質量標準，加大監管力度，完善企業質量保證體系，促進新工藝白酒的發展和質量提高。We have synthesized two novel crown ether compounds which possess the properties of lyotropic liquid crystals. the one is n - octoxymethyl - 15 - crown - 5, the other is ( 15 - crown - 5 ) methyl stearate. the hydrolysis of pnpp ( p - nitrophenyl pipolinate ) catalysis by n - octoxymethyl - 15 - crown - 5 micellar solution has been studied spectrephoto - meterically
我們合成了兩種具有溶致液晶性質的冠醚化合物，正辛氧基甲基- 1 ， 4 ， 7 ， 10 ， 13 -五氧雜環十五烷和硬脂酸（ 15 -冠- 5 ）甲酯和3 -正辛氧基- 1 ， 2丙二醇。Glycolipids ( glycosyldiacylglycerols ) are diacylglycerols with a sugar attached to the unesterified hydroxyl group
糖酯類物質是由甘油二酯和糖結合未酯化的羥基形成的。Thermal insulation products for buildings - factory made rigid polyurethane foam products - specification
建築物的熱絕緣產品.工廠制的硬質聚氨基甲酸乙酯泡沫產品.規范Syntheses, characterization and properties of estertin heteropoly complexes of siw9o10 - 34 with - keggin structure
34的酯基錫雜多配合物的合成及性質This article is about the polymer separator full of holes, we research the performance of the separator, including making two kinds separters that produce wth complete different methods : spreading the separator, pvdf as the basic material, dbp as the plasticizing agent, nm sio2 as the inorganic addition and acetone as the solvent, and make separator on the special machine ; dipping in the separator so that intensify the seprater, its dip liquor is as the liqure as the spreading separator, and dip the base material pp / pe / pp into the liquor for more than 2 hours
本文對多孔聚合物電解質隔膜進行了綜合研究。以聚偏氟乙烯（ pvdf ）為基體，鄰苯二甲酸二丁酯（ dbp ）為增塑劑，納米sio2為無機添加劑，丙酮為溶劑，在流延機上塗布得到了聚合物電解質隔膜。以流延法制備隔膜的漿料為處理液，將基體材料pp / pe / pp浸泡在處理液中2h以上，制備出強化電解質隔膜。In this project, based on a great quantity of screening experiments, b. thuringiensis and b. cereus strains " culture was found containing a kind of protein which inhibits autoinducer activity. this protein was named aii and its encoding gene was named aii
本研究經大量篩選，發現蘇雲金芽胞桿菌和蠟狀芽胞桿菌的培養物可抑制酰基高絲氨酸內酯（ acyl - homoserine - lactone ，簡稱ahl ）類ai分子的活性，其活性物質是一種蛋白質，稱之為aii蛋白。The jeopardy mechanism, analysis method and elimination method of ethyl carbamate ( ec ) was summarized to enhance the social recognition of it as a carcinogen
摘要對氨基甲酸乙酯的危害、形成機制、分析和消除方法進行了綜述，應加強對氨基甲酸乙酯這種致癌物質的認識，引起社會的關注。Raw materials muscle tissue of amino acids, peptides, dissolved in broth, to increase fresh ; the resilience of the collagen in the connective tissue protein in the long heated complete hydrolysis into soluble gelatin, conducive to digestion ; bone tissue of calcium and vd, the reaction of organic acids, which will help absorb : fat group weaving in and cooking fatty acids can occur in the reaction of the alcohol esters, which will help increase incense
原料肌肉組織中的氨基酸、多肽等溶解于湯汁中，利於增鮮;結締組織中堅韌的膠原蛋白質在長時間加熱后完全水解成可溶的明膠，利於消化;骨骼組織中的鈣質與vd 、有機酸類發生反應，利於吸收:脂肪組織中的脂肪酸則可以與料酒中的乙醇發生反應生成酯類物質，利於增香。“ langyatai ” brand cider has rich nutrition, such as ca2 +, p3 +, k +, fe2 +, lactochrome and nicotinic acid etc. and all kinds of vitamin being beneficial to body, all above are creamed from apple, meanwhile, after low - temperature fermentation, some organic nutrition of low sugar and high protein are produced, including malic acid, butanedioic acid, tartaric acid, seventeen amino acid and high powerful, high nutritional alcohol ester etc
瑯琊臺蘋果酒營養豐富，提煉了蘋果的主要精華，如蘋果中的鈣、磷、鐵、鉀、核黃素和尼可酸等二十多種微量元素，以及各種對人體有益的維生素.同時經過低溫生化發酵，生成了低糖類高蛋白等各種有機營養物質，如蘋果酸，琥珀酸，酒石酸及17種氨基酸和高能量高營養的醇酯等。Materials and articles in contact with foodstuffs - plastics substances subject to limitation - determination of acetic acid, vinyl ester in food simulants
和食品接觸的材料和物品.受限制的塑料物質.食品模擬物中乙酸乙酸基乙烯酯的測定分享友人