乙酸的
- 与 乙酸的 相关的网络例句 [注:此内容来源于网络,仅供参考]
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The major volatiles of Sansa were E-3-Hexen-1-ol (14.74%), Formic acid and hexyl ester (9.52%) and they were all more than that in other varieties relatively. The major volatiles of Red Chief Delicious were 4-methyl-1, 3-pentadiene (16.37%) and Z-3-Hexen-1-ol, acetate (10.27%) and were also more than that in other varieties.
珊夏枝条挥发物主要成分(E-3-己烯-1-醇、甲酸己酯)的相对含量(14.74%,9.52%)均多于其他品种;首红枝条挥发物主要成分(4-甲基-1,3-戊二烯、乙酸叶醇酯)的相对含量(16.37%,10.27%)均多于其他品种。
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The activity of pyruvate formate-lyase and pyruvate dehydrogenase accounts for the observed production of formate, acetate, ethanol and acetoin. In 1978, Hillman isolated one of the mutants of Streptococcus mutans which lack the enzyme activity of dehydrogenase.
当外源性糖丰富的时候,果糖-1,6-二磷酸增加,使LDH活化,90%以上的葡萄糖被转化为乳酸;外源性糖供应不足时,通过丙酮酸甲酸裂解酶和丙酮酸脱氢酶作用产生甲酸、乙酸、3-羟基丁酮和乙醇。
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The questing for long service electroless Nickel technology leads to the preferable formula and operation conditions as follows: Nickel Sulphate 25g/L, Sodium Hypophosphate 30g/L, Lactic Acid 20~ 25ml/L, Citric Acid 5g/L, Sodium Acetate 15g/L, Thiourea l~3mg/L, Stabilizer E Img/L.
研究得出的最佳长寿命镀镍工艺为;硫酸镍25g/L,次亚磷酸钠30g/L,乳酸20ml/L,柠檬酸5g/L,乙酸钠15g/L,硫脲1~3mg/L,稳定剂E1mg/L镀液pH值5.0~5.1,施镀温度90±2℃,装载量1dm~2/L;每60min测量镀液中消耗的有效成分和补加浓缩液。
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A novel reversed-phase ion-pair high performance liquid chromatographic method was developed for separation and determination of sodium iron ethylenediaminetetra-acetate in iron-fortified soy sauce.
建立了用反相离子对高效液相色谱法分离和测定铁强化酱油中的铁营养强化剂乙二胺四乙酸铁钠的方法。
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The methanogenic bacteria strains with different growth substance were easily isolated on the media with different chemical composition.
在培养墓中同时加入营养基质甲酸钠、乙酸钠、甲醇以及注入氢和二氧化碳的混合物,使以各种生长基质为底物的产甲烷细菌在一种培养基比较容易被分离出来。
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The antibiotic substance was isolated and purified primary using the methods of solvent extraction and Thin Layer Chromatography. The results showed that the antibiotic substance contained four components, and the component Ⅰ and Ⅱ had bioactivity against Cmm.
通过乙酸乙酯抽提、旋转蒸发制备的活性物质粗提液经薄层层析分析后,共分离出四个组份,其中仅组份Ⅰ与组份Ⅱ对番茄溃疡病菌表现抑制作用;紫外及可见光区的吸收峰分别为:253 nm、424 nm和443 nm。
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The analytical method of chlorogenic acid in sunflower cake by thin layer chromatography was developed.
以聚酰胺薄膜为固定相、体积分数为 36 %的乙酸溶液为流动相,研究建立了薄层色谱分离测定葵花仁粕中绿原酸的方法。
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To explore the mechanisms of lead-induced apoptosis, PC 12 cells were exposed to 100 μmol·L-1 lead acetate for 24 h, and cellular morphology, cytoskeleton and ultrastructure were observed.
为了从形态学角度研究铅诱导细胞凋亡的机制,用100 μmol·L-1乙酸铅对PC12细胞进行染毒24 h,检测细胞整体形态、细胞骨架和细胞超微结构的改变。
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The reason is that the 40 42 refers to the standardization of both Linalool and Linalyl acetate resulting in a very consistent floral scent.
原因是40 - 42指的标准化都芳樟醇和乙酸芳樟酯造成了非常一致的花香味。
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Methods Star anise were extracted from Illicium verum Hook.f. using ethanol and ethyl acetate as solvents. After macron absorption resin layer separation, a kind of white fine powder shikimic acid were obtained. The extracted shikimic acid were determined for chemical qualitative analysis.
采用乙醇提取、乙酸乙酯等有机溶剂萃取八角茴香,经大孔吸附树脂柱分离,得到白色精细粉末的莽草酸,并对莽草酸进行化学定性分析,镇痛实验采用扭体法和温浴法,观察腹腔注射莽草酸溶液后小鼠痛阈潜伏期和扭体反应的次数,设阿司匹林和生理盐水为对照组。
- 推荐网络例句
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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&。
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This is Kate, and that's Erin.
这是凯特,那个是爱朗。
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Articulate the aims, objectives and key aspects of a strategic business plan.
明确的宗旨,目标和重点战略业务计划。