In the paper the solubilities of anthracene, phenanthrene and carbazole are studied in benzene, toluene, xylene, the heavy solvent oil, clohexane, dmf, pyridine, cyclohexanone and acetone, and qualitative analysis is done by three aspects in the process of the solute dissolved the solvent : ( l ) the molecular struture and the interspace struture ; ( 2 ) reciprocity force of the intermolecule ; ( 3 ) the cohesion energy
本文考察了蒽、菲、咔唑在苯、甲苯、二甲苯、重溶劑油、環己烷、 dmf 、吡啶、環己
酮和丙
酮等有機溶劑中的溶
解度。並從三個方面對溶劑溶
解固體定性分析: ( 1 )分子結構及空間結構, ( 2 )分子之間相互作用力, ( 3 )內聚能,得到的結果與實驗得到的數據基本一致。
Abstract : 1 - ( 4 - pyridinyl ) - 2 - propanone, which is the key intermediate of synthesizing the milrinone, a cardiotonic agent, was synthesized from 4 - methyl - pyridine by acetylation in dichloromethane and phase transition catalyzing hydrolysis. the overall yield was 73. 1 %
文摘:報道了以4 -甲基吡啶為原料,經酰化和相轉移催化水
解反應制備強心藥物米利
酮關鍵中間體1 - ( 4 -吡啶基) - 2 -丙
酮的新合成方法,總收率達73 . 1 %
Transamination of many amino acids yields glutamate, which can be deaminated to a - ketoglutarate, which can then enter the krebs cycle to be further broken down with the release of energy
許多氨基酸的轉氨基作用可以產生谷氨酸,谷氨酸脫氨基可以形成
酮戊二酸,它可以進入三羧酸循環從而進一步分
解釋放能量。
It can be soluble in water and produce large quantity of heat, soluble in sulfuric acid, insoluble in acetone and ammoniait has strong hydroscopic and easy deliquescence if exposed in the air
溶於水生成磷酸並放出大量熱,溶於硫酸,不溶於丙
酮和氨,有很強的吸水性,在空氣中易潮
解,對皮膚有腐蝕性。
A white solid that is in organic solvents such as ethanol and acetone and the like, easy to be deliquescent : its solution is colorless transparent liquid, primarily utilized as fungicides additives to prevent the growth of microbe and algae
0 . 01物化性質:無色或微帶黃色結晶或結晶興粉末,具吸濕性,易溶於水乙醇甲醇和丙
酮,熱至160以上分
解。
Isopropylidene glycerol is prepared by condensation of acetone with glycerol, thereafter it was esterified with octanoyl chloride in pyridine as catalyst, and finally the latter was decomposed with boric acid
摘要以甘油和丙
酮為原料制得異丙叉甘油,其與辛酰氯在吡啶催化下酯化,再經硼酸作用下分
解得到單辛酸甘油酯。
The study on adsorption performance of macroporous adsorbent for gingko flavonoids glycosides
大孔吸附樹脂對銀杏葉黃
酮類化合物吸附及
解吸的研究
Study on hydrolysis of soybean isoflavone glucosides by - glucosidases from aspergillus niger
葡萄糖苷酶水
解大豆異黃
酮糖苷研究
It is also formed from glyceraldehydes 3 - phosphate in glycolysis, with the release of atp, after which it may be converted to phosphoenol pyruvate
也可以由糖酵
解過程中的甘油醛3 ?磷酸形成,伴隨有atp的釋放,然後可能轉化為磷酸烯醇式丙
酮酸。
Glycerate 3 - phosphate is the first product of the dark reactions of photosynthesis, formed by the carboxylation and cleavage of ribulose bisphosphate
甘油3 ?磷酸是光合作用暗反應的一種產物,在二磷酸核
酮糖的羧化分
解后形成。
The pyretic acid formed by glycolysis is broken down into acetaldehyde and carbon dioxide
糖酵
解過程中產生的丙
酮酸分
解為乙醛和二氧化碳。
Selective hydrogenolysis of 1, 3 - cyclohexandione derivatives
環己二
酮衍生物的選擇性氫
解反應
Base on the mathematic model of load - deflection relationship of the rectangular membrane, micro balloon actuator ' s theory curve of pressure - deflection has been calculated and plotted. after the simplified geometric model of microactuator was set up, by utilizing ansys mooney - rivlin hyperelastic model, nonlinear structural distortion of silicone rubber can be solved
通過建立氣泡薄膜的幾何簡化模型,針對硅
酮橡膠的材料非線性特點,選用了適合橡膠類材料的mooney - rivlin超彈性模型,運用ansys軟體對這一非線性結構變形進行了求
解。
The biochemical reaction in liquor - making mainly included the degradation of macromolecular substances such as the degradation of amylum and protein, the biochemical changes of micromolecular substances such as glycolysis of glucose ( emp approach ) and reconvertion of pyruvic acid, and the formation of flavoring substances such as the production of higher organic alcohol, maillard reaction, and the formation of aromatic compounds
白酒釀造過程中的生物化學反應主要包括:大分子物質的降
解,如澱粉的降
解和蛋白質的降
解;小分子物質的變化,如葡萄糖的酵
解( emp途徑)和丙
酮酸的再轉化;香味物質的生成,如高級有機醇生成、美拉德反應和芳香族化合物的形成。
Objective : to study and analyze the effect of methadone maintenance treatment for heroin addicts
摘要目的:了
解538例美沙
酮維持治療者的治療情況。
It also acts as a store of sulfur for biosynthesis, and can be broken down to pyruvate
還可以為生物合成提供硫的儲備,它可以被分
解為丙
酮酸。
Valine an amino acid synthesized from pyruvate. it is broken down to yield succinyl coa
纈氨酸:由丙酮酸合成的氨基酸。可分解產生乙酰輔酶a 。