氨化物水解 的英文怎麼說
中文拼音 [ānhuàwùshuǐjiě]
氨化物水解
英文
amide hydrolysis-
The order of four soil biochemical intensity being sensitive to heavy metal pollution indicated as : nitrification > nitrogen fixation > decomposition of cellulose > ammonification. however, soil microbial biomass c : n ratio increased with the increasing of heavy metals level
幾種生化作用強度的下降順序為硝化作用固氮作用纖維素分解強度氨化作用;但土壤微生物生物量碳氮比則隨著重金屬污染水平的升高而增加。The population distribution of physiological groups of bacteria , including ammonifying bacteria, denitrifying bacteria, nitrobacteria and nitroso bacteria, organic phosphate dissolving bacteria and inorganic phosphate dissolving bacteria in water body and sediment of suzhou creek are studied with mpn and flat account method from jan. 2002 to mar. 2003. the role of these physiological groups of bacteria in suzhou creek aquatic ecosystem is discussed
用最大可能數( mpn )法和平板計數法,於2002年1月2003年3月對蘇州河水體和底泥中的主要微生物功能菌群? ?包括有機磷分解菌、無機磷分解菌、氨化菌、亞硝化菌、硝化菌和反硝化菌等進行了生態調查,並分析探討了它們在蘇州河水生態系統中的作用。On the base of degrading effect of cm, the paper investigated the correlation between microorganisms and nutrient salt in the water body. it showed that the correlation between ammonifying bacteria and nh3 - n was 0. 74 ; the correlations between nitrifying bacteria, denitrifying bacteria and no _ ( 3 ) - n were 0. 65, - 0. 53, respectively. the correlation between phosphorus bacteria and po _ ( 4 ) ~ ( 3 ) p was 0. 76
根據復合微生物對水質的降解效果,選擇其使用量為2g時,對水體中微生物功能菌群與營養鹽含量的相關性進行了研究,其中氨化菌與氨氮,硝化菌與硝氮,磷細菌與磷酸鹽均成正相關關系,相關性r分別為0 . 74 , 0 . 65 , 0 . 76 。They immersed a lead object first in copper acetate ( a compound made by letting vinegar corrode copper ), and then in a silver solution created by dissolving silver chloride in dilute ammonia ( which ancient chemists made from urine )
它們首先把鉛製品浸沒在醋酸銅(通過醋酸腐蝕銅而制得的化合物)中,然後放在銀溶液中,銀溶液是通過把氯化銀溶解在稀釋的氨水(古代化學家從尿中制得)中而制得的。Abstract : a novel enzymatic reaction ? ammonolysis was introduced in thenineties. this reaction not only provides a synthetically useful and mild alternative method for the synthesis of amides, but also can be used for the kinetic resolution of chiral alcohols or chiral carboxylic acids. in addition to enantioselective hydrolysis, esterification and transesterification, ammonolysis also shows high enantioselectivity in the resolution of racemates
文摘:酶促氨解反應是20世紀90年代中期發現的一種新型反應,在脂肪酸酰胺的合成、手性藥物(手性酸及手性醇等)的拆分中顯示出巨大的應用潛力,是除立體選擇性水解、酯化、轉酯反應之外的另一具有較大開發應用前景的酶促新型反應。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。An improved hard - sphere model predicted rightly the changing trend of the standard partial molar volume of alkyl chain of amino acids with concentration of electrolyte, and confirmed the assumption that the sum of standard partial molar volumes of ch and ch3 groups is twice as many as the standard partial molar volume of ch2 group
摘要根據改進的硬球混合物模型,正確預測了氨基酸分子的烴鏈在電解質水溶液中的標準偏摩爾體積隨電解質濃度的變化關系,並證實了「氨基酸分子中ch和ch3基團的標準偏摩爾體積之和是ch2基團標準偏摩爾體積的2倍」這一假定。The three substituted cinnamamides were prepared from substituted cinnamyi chloride and 1 - phenylsemicarbzide in anhydrous acetone. the structures were confirmed by ir, 1hnmr , elemental analysis and physical data
由取代桂皮酰氯與1 -苯基氨基脲在無水丙酮中發生的氨解反應,合成了3個新的酰胺類化合物,經元素分析, ir和1hnmr譜進行表徵確證了其結構Water has higher melting point, boiling point, heat of vaporization, heat of fusion and surface tension than comparable hydrides such as hydrogen suiphide or ammonia or most liquids
與氫硫化物、氨水或其他大多數的液體相比,水具有較高的熔點、沸點、蒸發比熱、熔解熱和表面張力。Glu of cns mainly comes from glutamine and phosphate activated glutaminase ( pag ) can decomposed the glutamine to glu and ammonia and is the main source of the glu of the cns, so pag is used as the special marker of glutaminergic neurons
磷酸激活的谷氨酞胺酶( pag )能催化谷氨酞胺水解為giu和氨,是中樞內gill的主要來源。困此pag一直被作為研究gill能神經元的特異性標識物。Putting the potassium permanganate into the filter can improve its effect, the removal of organics and ammonia is increased, the influent concentration can satisfy the water reuse standard. but the turbidity of influent is unsatisfactory. the c / n ratio is the key factor to influence the nitrogen - removal of the anoxic / aerobic two - stage baf when the reflux ratio 、 hydraulic loading and the ratio of gas to liquid in aerobic filter are fixed. the anoxic / aerobic two - stage baf has a good removal of organics at different c / n ratio when the reflux ratio is 2, hydraulic loading is 2. 55m ~ 3 / m ~ 2 ? h and the ratio of gas to liquid in aerobic filter is 3 : 1. the influent concentration of organics is blow 7mg / l. from the beginning to 30cm of the anoxic filter, the removal of the organics is significant ; as the c / n ratio increasing, the influent concentration of ammonia is decreasing. when the c / n ratio is 3. 60, the enfluent concentration of ammonia is 3. 05mg / l which satisfies the water reuse standard. when the c / n ration is less than 3. 60, because of the imperfection
迴流比為2 : 1 ,水力負荷為2 . 55m3 / m2 ? h ,好氧柱氣水比為3 : 1時試驗表明:不同的c / n ( 1 . 05 7 . 45 )下,兩級曝氣生物濾池對有機物有很好的去除作用,出水有機物濃度小於7mg / l ,其中在缺氧柱進水端30cm內對有機物的去除最為明顯;隨著c / n的增加,系統出水氨氮濃度降低,當c / n為3 . 60時,出水氨氮濃度降到3 . 05mg / l ,已經滿足回用水的氨氮標準; c / n < 3 . 60時,因為缺氧柱的不完全反硝化,體系中硝酸鹽氮和亞硝酸鹽氮發生積累影響了好氧柱的硝化反應使氨氮降解效果較差;系統對總氮的去除隨著c / n的增加而增加,當c / n為3 . 60時,出水總氮已經降到11 . 18mg / l ,滿足回用水的要求。This course demonstrate the important sorts of wastewater analysis, it includes chemical oxygen demand ( cod ), biochemical oxygen demand ( bod ), suspended solids ( ss ), volatile suspended solids ( vss ), ammonia nitrogen, organic nitrogen, nitrite nitrogen, nitrate nitrogen, orthophosphate, total phosphate, sulfate, and sulfide
本課程包含污水分析重要項目的原理解說及實驗分析,分析項目包括:化學需氧量、生化需氧量、懸浮固體物、揮發性懸浮固體物、氨氮、有機氮、亞硝酸鹽氮、硝酸鹽氮、正磷酸鹽、總磷、硫酸鹽及硫化物。Oligochitosan is not only water - soluble, non - toxic, biocompatible but also possesses versatile functional properties of chitin and its derivatives, such as polyelectrolite properties, the presence of reactive functional groups, gel - forming ability, high adsorption capacity, bacteriostatic, fungistatic and antitumour influence, and thus it has attracted more and more attention in the field of biology. previous investigations have shown that chitin and its derivatives have immunoenhancement activities
殼寡糖是由3 10個n -乙酰氨基葡萄糖殘基或氨基葡萄糖殘基通過- 1 , 4 -糖苷鍵連接而成的寡糖,它具有良好的水溶性、組織兼容性,在生物體內易降解,同時也具有抑菌、抗腫瘤、調血脂、調節免疫及活化腸道雙歧桿菌等多種生理功能,因此已成為眾多領域的研究熱點。Study on the thermal decomposition mechanism and activation energy of complex monovaline - hexaquo - gadolinium
三氯化纈氨酸六水合釓配合物的熱分解機理與活化能研究Purifying water quality : the first will be through cell amine and ammonia nitrate into substance, then later nitrate into ammonia volatile substances, so as to achieve degradation of ammonia and some toxic and harmful substances, three - dimensional improvement of water quality, water color, improve transparency and efficiency of the effect of rapid detoxification, and the establishment of the ecological balance of water for aquaculture environment
凈化水質:首先通過菌體的活動將胺及氨類物質轉化成硝酸鹽,爾后再將硝酸鹽轉化成揮發性物質氨,從而達到降解水中氨氮及一些有毒有害物質,立體改善水質、水色、提高透明度,並具有高效快速解毒的功效,建立養殖水環境的生態平衡。The l - n - carbamoylase of arthrobacter bt801, coded by the hyuc gene, is the rate - limiting and the only stereoselective enzyme. hydantoin hydrolase gene ( hyuh ) and n - carbamoylase gene ( hyu c ) were amplified from the plasmid of puc18 - 169 by pcr and, at the same time, activity expression was obtained in e. coli and pichia pastor is gs115 respectively
節桿菌bt801的乙內酰脲水解酶催化乙內酰脲類化合物水解開環, n -氨甲酰基氨基酸水解酶是該菌乙內酰脲酶系中惟一具有立體選擇性的酶,也是整個反應體系的限速酶。Its by - product daed is non - toxic, non - sensitizing, and biodegrades into carbon dioxide, water, ammonia and nitrate
Taed以及其生成物daed無毒、不敏化並且生物降解成二氧化碳、水、硝酸鹽、氨等成品。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。As far as the enzymatic activity is concerned, on the one hand, strain yz - ii6 has higher d - hydantoinase activity and lower d - carbamoylase activity so as not to be suitable for one - step bioconversion of d - amino acids, on the other hand, the higher hydantoinase activity, engineered strain in particular, may be convenient to be as a biocatalyst to produce n - carbamyl d - amino acids which hard to find in the markets
Yz - 6菌具有較高的海因酶活性,但n -氨甲酰基d -氨基酸酰氨水解酶活性很低,仍不適合用於d -型氨基酸生產工藝中的一步法轉化。另一方面,含海因酶基因的人工菌株不但酶活性高,也排除了天然菌株轉化生產d -型氨基酸過程中的一些副產物。D - glucosamine hydrochloride is obtained from chitin or chitosan by hydrochloric acid hydrolysis. it is used as biochemical reagent and widely used in medicine synthesis. it can be also used as antibiotic and immunity assistant reagent and activator to guard the human body against fluvirus
氨基葡萄糖鹽酸鹽由甲殼素或殼聚糖經鹽酸水解而成,它用作生化試劑,廣泛用於藥物合成,可用作抗細菌感染及免疫佐劑,是人體抗流感病毒的活化劑。分享友人