丙酮的

Potassium ions are required in high concentrations in the cell for efficient protein synthesis, and for glycolysis in which they are an essential cofactor for the enzyme pyruvate kinase.

在细胞中 K+需要维持较高的浓度，以便有效的进行蛋白质合成，另外在糖酵解中 K+也是丙酮酸激酶必需的辅助因子。

For the determination of the chlorophyll in seawater, pigments of marine algae are extracted with 90 % acetone by the following three methods: 1 grinding in a homogenizer, 2 extracting by placing the samples in darkness for a period of time,and 3 using a sonic disintegrator.

本文讨论了用90％丙酮从海藻中提取叶绿素进行测定的三种提取方法(研磨法、浸泡提取法、超声波粉碎法)的最佳条件。并对三种提取方法的提取效率进行了比较。

At the same concentration, extracts show the highest scavenging rate on the four different free radicals extracted by ethyl ether, acetone, ethyl ether and ethyl acetate, respectively.

在相同的浓度下，对自由基的清除作用最大的分别为乙醚、丙酮、乙醚和乙酸乙酯提取物。

The invention relates to synthesis of an organic matter, in particular to a method for preparing ethyl pyruvate.

本发明涉及有机物的合成，具体的说是一种制备丙酮酸乙酯的方法。

The effect of different second ligand on the flourescent properties of polymers were studied. Then AxByEu/HTTA/PMMA was prepared using the best second ligand HTTA.

考察了不同的第二配体（咔唑、二甲基-联吡啶、邻菲罗啉、噻吩甲酰三氟丙酮HTTA）对脂肪酸铕聚合物发光性能的影响，选择出合适的第二配体HTTA，进而合成了A3Eu/HTTA/PMMA聚合物。

In the aspect of the photocatalytic activity, we did some experiments and tests: TiO_2 hydrosol degradated methyl orange, TiO_2 powder degradated acetone, TiO_2 films degradated formol and TiO_2 films degradated methyl orange, confirming that the as-prepared sample possessed preferable photocatalytic activity.

在光催化活性方面，测试了TiO_2水溶胶降解甲基橙、TiO_2粉末降解丙酮、TiO_2薄膜降解甲醛和TiO_2薄膜降解甲基橙的实验，证实了所制备的试样具有较好的光催化活性。

Regulation of glycolysis The main control step is that catalyzed by PFK but hexokinase and pyruvate kinase are additional control sites.

糖酵解的调节主要控制步骤是 PFK 酶的催化作用，而己糖激酶和丙酮酸激酶则是另外的控制位点。

Acetone is the most important ketone; several sugar s and some natural and synthetic steroids are ketones.

丙酮是最重要的一种酮，有几种糖和一些自然的或合成的类固醇都是酮。

Acetone is the most important ketone; several sugars and some natural and synthetic steroids are ketones.

丙酮是最重要的一种酮，有几种糖和一些自然的或合成的类固醇都是酮。

Objective:Analysis of screening results of three neonatal diseases to further clarify the incidence of phenyl ketonuria,congenital hypothyroidism and glucose-6-phosphate dehydrogenase(G6PD) deficiency in Hainan Province.

目的：对海南省新生儿疾病筛查情况进行分析，了解海南省新生儿苯丙酮尿症、先天性甲状腺功能低下症、葡萄糖6-磷酸脱氢酶缺乏症(G-6-PDD)的发病率。方法：对出生72h后的7412名新生儿采集足跟血制作血滤纸干标本，PKU筛查采用荧光定量法检测滤纸干血斑中Phe含量；CH筛查采用时间分辨荧光免疫法检测滤干血斑中TSH含量；G6PD缺乏的筛查采用荧光斑点定性试验测定G6PD活性。

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。