查询词典 acid-binding

The method comprises heating up the lactic acid solution to gasify at 150-200 degree C, mixing the obtained mixed vapour of lactic acid and water with the carrier gas, entering into gas-solid catalytic reactor to get the reaction product gas by the action of a modified Y zeolite molecular sieve catalytic agent and dewatering after heating up the mixed gas to 200-450 degree C, obtaining the propenoic acid solution through gas-liquid dissociation after cooling the reaction product gas, obtaining coarse propenoic acid products form the propenoic acid solution by gas stripping, azeotropic distillation, extraction and rectification in turns.

其特征在于将乳酸水溶液加热至150～200℃气化得到的乳酸-水混合蒸气与载气混合，将混合后的气体继续加热到200～450℃后进入气-固相催化反应器中经改性Y沸石分子筛催化剂作用脱水得反应产物气体，反应产物气体冷却后经气液分离得到丙烯酸溶液，丙烯酸溶液再依次经过气提、共沸蒸馏或萃取、精馏得到粗丙烯酸产品。

Results: Nine compounds were obtained from the ethyl acetate fraction of C. speciosa and were identified as methyl chlorogenate, 5-O-cafeoyl quinic acid butyl ester, quinic acid butyl ester, 5-hydroxymethyl-furan-2-carbaldehyde, triacontanoic acid,-epicatichin, 7,8-dihydroxy-coumanrin, protocatechuic acid ethyl ester, and protocatechuic acid.

结果：从皱皮木瓜的乙酸乙酯萃取部位分离鉴定了9种化合物，分别为绿原酸甲酯，5-O-咖啡酰基－奎宁酸丁酯，奎宁酸丁酯，5-羟甲基－2-糠醛，三十烷酸，-表儿茶素，7，8-二羟基香豆素，3，4-二羟基苯甲酸乙酯，原儿茶酸。

The volume of stimulant amino acid in the hypothalamic tuberal part of rat is dcreased,the volume of rejective amimo acid increased,the volume of Catecholamines drceased,the volume of the stimulant amino acid in spinal cord intermediolateralis,the rate of stimulant amino acid and rejective amimo acid,and the volume of Catechomamones dcreased,the volume of NE in spleen tissue dcreased,all of which means the irritability of sympathetic nervous circulus in spleen is restrained.

运动组大鼠下丘脑结节部兴奋性氨基酸含量下降，抑制性氨基酸含量上升，儿茶酚胺含量下降，脊髓中间外侧柱兴奋性氨基酸含量下降、兴奋性氨基酸/抑制性氨基酸下降、儿茶酚胺含量降低，脾组织内NE含量降低，提示有氧运动组大鼠的脾脏交感神经调节通路的兴奋性受到抑制。

The vinegar ' inoculates the acetic acid fungus , and the acetic acid fungus will oxidize the alcohol into the acetic acid, will establish the acidity in accordance with the working condition again, general acidity of acetic acid 2.0-3.0 about for pH, when reach this value in acidity, need to utilize the sterilization project to kill the acetic acid fungus , otherwise the acidity may be sourer and sourer !

醋」是接种醋酸菌，而醋酸菌会将酒精氧化成醋酸，再依生产条件设定酸度，一般醋酸的酸度为pH为2.0-3.0左右，当酸度达到此值时，便需利用杀菌工程将醋酸菌杀灭，不然酸度可能会愈来愈酸！

Study on synthesis of phosphonic acid with thiadiazole and corrosion resistance on copper;2. Synthesis of N,N-dimethyl-1-aminomethane-1,1-di phosphonic acid N-oxide and researches on its corrosion and scale inhibition performances;3. Two phosphonic acid s: dodecylamine-N,N-dimethylene phosphonic acid and dodecyl phosphonic acid,were used to modify zirconia stationary phase in this paper.

通过红外、元素分析对2种不同类型的膦酸化合物改性氧化锆的改性条件和改性机理进行了研究，结果表明：十二烷基膦酸通过Lewis酸碱作用改性，室温浸泡即可达到满意的吸附量；而具有螯合结构的十二胺-N，N-二亚甲基膦酸与氧化锆结合时存在较强的络合作用，最佳改性条件为酸性条件下加热回流。

C. Organic intermediate products: P-Methylbenzonltrile, P-Bromobenzoin acid, 3,5-Dimethylbenzoic acid, P-Ethylbenzoic acid, 1,3,5-Benzene Tricarboxylic acid, 1,4-Naphthalic acid.

C。有机中间体产品：对甲苯腈。对溴苯甲酸、3.5-二甲基苯甲酸、对乙基苯甲酸、均三苯甲酸、KCB酸。

The results show that the crude fat in corn bran is 5.99%, the protein is 4.86%, the crude fiber is 12.45%. The physico-chemical indexes of corn bran oil are as following: d(superscript 20℃ subscript 4℃) 0.9135, IV 112.4gI/l00g, SV 189.1mgKOH/g, unsaponifiable matters 3.75%. The fatty acid composition of corn bran oil is: oleic acid 30.27%, linoleic acid 54.14%, palmic acid 13.68%, stearic acid 1.14%.

结果表明，玉米皮粗脂肪含量为5.99%，粗蛋白质4.86%，粗纤维含量为12.45%；玉米皮油的相对密度0.9135，皂化值189.1mgKOH/g，碘值112.4gI/100g，不皂化物3.75%；玉米皮油脂肪酸组成中，油酸30.27%，亚油酸54.14%，棕榈酸13.68%，硬脂酸1.14%。

The results show different impacts of elevated pCO2 on the contents of salicylic acid, p-Hydroxybenzoic acid, cinamic acid, ferulic acid and vanillic acid, as well as phenylalnine ammonialyase activity in winter wheat leaves under low N and normal N levels.

结果表明，CO2浓度升高对小麦叶片水杨酸、对羟基苯甲酸、肉桂酸、阿魏酸和香草酸含量的影响随供氮水平的不同而有所差异。

The results show different impacts of elevated p CO2 on the contents of salicylic acid, p-Hydroxybenzoic acid, cinamic acid, ferulic acid and vanillic acid, as well as phenylalnine ammonialyase activity in winter wheat leaves under low N and normal N levels.

结果表明， CO2浓度升高对小麦叶片水杨酸、对羟基苯甲酸、肉桂酸、阿魏酸和香草酸含量的影响随供氮水平的不同而有所差异。

The invention uses the fermentation liquor of one Escherichia coli generating polysialic acid as material, filters and removes thallus, adds some solvents as sodium chloride and alcohol into supernatant to deposit polysialic acid, dissolves the polysialic acid deposits via deionized water, filters to remove modified protein, uses alkali prolease to treat filtrate, complexes deposits via cetyl pyridinium chloride or cetyltrimethylammonium bromide, and dissociates, uses over alcohol to deposit polysialic acid, dissolves the deposits via ultra-pure water, grades and purifies via chromatography column, collects and dialyzes eluent, cools and dries to obtain polysialic acid.

本发明以一株产聚唾液酸大肠杆菌的发酵液为原料，经过过滤去除菌体，上清液加入适量氯化钠和乙醇等溶剂沉淀出聚唾液酸，聚唾液酸沉淀用去离子水溶解，再用过滤去除变性蛋白质，滤液经过碱性蛋白酶处理、氯代十六烷基吡啶或十六烷基三甲基溴化铵络合沉淀并解离后，再用过量乙醇沉淀出聚唾液酸，聚唾液酸沉淀用超纯水溶解，用层析柱进行分级纯化，收集洗脱液经过透析，冷冻干燥得聚唾液酸产品。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。