查询词典 acetic acid

The pectin enzymolysis technology,juice debittering technology,and alcohol and acetic acid fermentation were studied. The results showed the best conditions of pectase hydrolysis are:amount of pectase 0.02%,temperature 50 ℃,pH 4.4 and time 4 h.

结果表明：果胶酶水解的最佳条件为：果胶酶添加量0.02%、温度50℃、pH4.4、时间120min；果汁脱苦最佳条件为：粒状活性炭添加量0.5%、室温搅拌60min；酒精发酵的最优条件为：接种量8%、发酵温度30℃、糖度20%、pH4.4、发酵时间4d；醋酸发酵的最优条件为：接种量10%、温度34℃、酒度8%、时间4d。

RESULTS:LMWH 16000 and 8000 u.L-1 could significantly inhibit the constriction of the isolated ileum smooth muscle of ovalbumin-sensitized guinea pigs induced by OA in vitro (P0.01,P0.05 vs vehicle);LMWH 200,50 and 12.5 u.kg-1ip could markedly inhibit the degranulation of pericranium MC in rats (P0.01 vs vehicle),LMWH 60 and 30 u.kg-1 ip could sigificantly depress the licking response induced by 4-aminopyridine and the increasing of capillary permeabili ty induced by acetic acid in mice (P0.01,P0.05 vs vehicle).

结果：LMWH 16000 u.L-1(P0.01)和8000 u.L -1(P0.05)均能显著降低OA所致的致敏豚鼠离体回肠平滑肌收缩高度；LMWH 200，50和12.5 u.kg-1 (P0.01)均能明显抑制颅骨骨膜肥大细胞脱颗粒；LMWH 60 u.kg-1(P0.01)和30 u.kg-1(P0.05)均能显著减少4-氨基吡啶诱发的小鼠舔体反应次数，并能抑制冰醋酸所致的小鼠毛细血管通透性增加。

METHODS:Guinea-pigs were sensitized by ovalbumin and the effects of LMWH on the constriction of ileum smooth muscle induced by OA were observed in vitro;The effects of LMWH on the degranulation of pericranium mast cell induced by OA were observed throu gh the passive anaphylaxis ratmodel which was made by vaccinating antiserum at pericranium;Licking response was induced by 4-aminopyridine(4-AP) scat scruff in mice,then the effect of LMWH on licking response was studied the capillary p emeabilty increasing induced by glactal acetic acid and the effect of LMWH on ca pillary pemeability were studied.

用卵白蛋白(ovalbumin，OA)免疫豚鼠造成过敏模型，观察LMWH对OA所致的豚鼠离体回肠平滑肌收缩的影响；在大鼠颅骨骨膜接种抗血清使肥大细胞被动致敏，观察LMWH对OA引起肥大细胞脱颗粒的影响；以4-氨基吡啶诱发小鼠舔体反应，观察LMWH对舔体反应的影响；以冰醋酸使小鼠毛细血管通透性增加，观察LMWH对通透性的影响。

Methods: It was flow is methanol-acetic acid ammonium,it was used as the mobile phase at a velocity of gradient.

目的：为保证食品安全，建立了一套检测食品中非食用色素酸性橙II的方法。

The results indicate an interesting potential of fermented and pickled products containing acetic acid.

结果表明含有醋酸的发酵制品具有值得注意的作用。

" Cypress together benefit the 斯 tooks a look cup carefully, having already tooked a look an oneself's hand to say with smile, I know why:"Ising the top of the my hand is these platinum black powder reasons, these powders make the alcohol in the grape wine(note:The scientific term is called ether)have chemical reaction with the oxygen in the air, born the cause of acetic acid.

" 柏齐利阿斯仔细的看了看杯子，有看了看自己的手笑着说，我知道为什么了："是我手上这些铂黑粉末原因，这些粉末使红葡萄酒里的酒精与空气中的氧气起了化学反应，生成了醋酸的缘故。

Add 30 mL of a mixture of glacial acetic acid and chloroform (3／2), shake to dissolve, and add 0.5 mL of saturated potassium iodide solution.

放入30毫升的混合冰醋酸和氯仿（ 3 / 2 ），摇晃分解，并加上0.5毫升饱和碘化钾溶液。

Place in a 250 ml conical flask fitted with a ground-glass stopper, 10.0 ml of the solution, 50 ml of water R, 12 ml of dilute acetic acid R and 3 g of potassium iodide R.

滴定 在250ml的带磨砂玻璃塞的锥形瓶中，加入10.0 ml的此溶液，50ml的水，12ml的稀乙酸和3 g的碘酸钾。

Nd_2O_3 was used as catalyst for estrification of Acetic acid with propanol and discussed thevariant conditions in reaction of esterification.

以三氧化二钕为固体催化剂，实现了乙酸和丙醇的酯化反应，讨论了催化酯化的各种影响因素。

The conversion of acetic acid and the selectivity of propylene reached 85.43% and 98.52%, respectively.

本文还对乙酸与丙烯直接酯化合成乙酸异丙酯的动力学进行了研究。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。