丙酮的

Polyvinylpyrrolidone/vanadyl glycolate VO(OCH2-CH2O core-shell microspheres were assembled by soft-templating method using vanadyl acetylacetone VO(acac2 as raw materials.

以自制的二乙酰丙酮氧钒VO(aca2为原料，通过软模板法组装出聚乙烯吡咯烷酮/钒前驱体核壳结构的复合微球。

The main components of the waste gas from the industry of plastic tan are benzene,toluene,dimethylbenzene,xylene and acet.

塑料制革业生产过程中产生的主要污染物是苯、甲苯、二甲苯和丙酮等，由于强度不大，在一般大气扩散条件下可以满足环境质量标准的要求，但仍会对环境产生一定影响，必须引起重视。

Fresh carrot, tomato and chili were used as test samples, absolute alcohol were used in process of triturating and dehydrating, acetone were used for extraction, all of the alcohol solution and acetone solution were commixed, and the content of β-carotene were directly determined by HPLC.

选用胡萝卜、番茄和红辣椒三种常见新鲜果蔬作为供试品，采用无水乙醇匀浆、脱水，丙酮提取-直接定容的方法制备供试品溶液，使用高效液相色谱法测定供试品中β-胡萝卜素的含量。

Principle:Lactate was dehydrogenated to pyruvate at the action of lactate dehydrogenase,at the same time NAD~+ received H~+ to yield NADH.According to the absorbance variances of NADH at 340 nm,the lactate level in supernatant of platelets was calculated.

原理：乳酸在乳酸脱氢酶作用下脱氢生成丙酮酸，同时NAD~+接受H~+生成NADH，根据NADH在340nm处的吸光度变化来计算血小板上清中乳酸的含量。

Reaction pushes the plane through the air, just as reaction sends skyrockets into the heavens

确定当含有丙酮酸脱氢酶的兔肌肉线粒体用下列方法处理时，这个反应的速率有何变化

Because the reaction followed the S〓2 mechanism, addition of proper amount of acetone or alcohol increased the degree of substitution.

因为反应过程是按S〓2历程进行，加适量的有机溶剂丙酮或乙醇能增加HP—β—CD产品的取代度。

The results showed that if appropriate mobile phase was chosen, the adoption of acetone, ethanol and isopropyl alcohol as organic agents for melamine extraction could also got good results.

结果显示，选择合适的流动相，使用丙酮、乙醇或异丙醇为提取剂可以获得较好的提取效果。

It can dissolve in water alcohol isopropanlol or chloroform not in acetone or diethyl ether polymers having molecular weight under30000 can excreted by human kidney.

乙醇 。异丙醇或氯仿，不溶于丙酮，二乙醚，分子量在30000以下的聚合物能通过人的肾脏排泄。

Polylactideand indomethacin were dissolved in a mixxed solvent of chloroform and acetone(2/1 v/v)to make even spinning solution.

将药物——消炎痛和聚乳酸同时溶解在三氯甲烷∶丙酮(体积比2∶1)的混合溶液中，制得均匀的纺丝液，通过静电纺丝制备载药PLA纤维膜。

The cold-resistance effect of the Ether extracts, the n-BuOH extracts, the acetone and the chloroform extracts were obvious in the 7 different plant extracts.

试验结果表明： 1、植物材料前胡的7种不同溶剂提取物中，以乙醚、正丁醇、丙酮和三氯甲烷提取物质的抗寒效果明显。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。