丙酮

The results show the hydrogen bonding is formed between acetone and water molecules and the strength of hydrogen bonging is related to the concentration of acetone.

由此说明丙酮与水分子间形成了氢键，而且氢键的强弱与丙酮水溶液的浓度有关。

Proteomic comparison of glucose- and lactose-grown cells revealed that lactose and glucose were catabolized via the same degradation pathway, and the rate of glucose assimilation was higher than that of lactose.

长双歧杆菌NCC2705在乳糖中生长快于葡萄糖，它们的降解途径是相同的；转醛缩酶和丙酮酸激酶发生了翻译后修饰作用，推测转醛缩酶在43T和47S发生了磷酸化，而丙酮酸激酶在65S发生了磷酸化。

MethodThe qualitative analysis to the acetone extractives of silver chain wood before and after discoloring was carried on showing the main components of the acetone extractives and then taking comparison.

方法］通过对刺槐木材变色前后丙酮抽出物的定性分析，得出变色前后丙酮抽出物的主要成分，进行对比分析，初步得出抽出物对诱发变色的作用。

Newly ovulated mouse oocytes were cultured in the CZB medium supplemented with different concentrations of pyruvate before treated for activation or assayed for MPF activity.

我们猜测卵母细胞在不含丙酮酸的条件下老化的更快，并且卵丘细胞可能通过消耗不含葡萄糖的CZB中的丙酮酸从而促进卵母细胞老化。

METHODS:Based on the extraction rate of chlorophyll,acetone method was compared with alcohol method and the preparing factors of acetone method was optimized by orthogonal design.

以叶绿素提取率为指标，对脱镁叶绿酸制备的乙醇法和丙酮法工艺进行比较，用正交试验法对丙酮法的工艺条件进行优化。

CoFe2O4 is sensitive to low concentration alcohol and acetone, for other gases it has not sensitivity, so this material may be used to inspect low concentration alcohol and acetone.

研究发现，CoFe_2O_4制作的元件对低浓度的乙醇和丙酮气体有较好的灵敏性，对其他气体基本没有气敏性，因此，该材料可用于上述两种气体的低浓度检测；在乙醇和丙酮的低浓度范围内，两种气体的浓度与该元件的灵敏度呈良好的线性关系。

The liposolubility is the major component in the extractum,and therefore,dehydrated alcohol and acetone may be used as the dewaxing solvent for the extractum.

无水乙醇和丙酮是理想的浸膏后处理和脱蜡溶剂。结论：该浸膏含较多的脂溶性成分，采用无水乙醇和丙酮作为浸膏的脱蜡溶剂是可行的。

In order to improve the content of phosphatidylcholine, a study has been carried out on the use of acetone and alcohol to extract PC from soybean lecithin .

研究了以浓缩大豆磷脂为原料，采用丙酮和乙醇作溶剂，经丙酮脱油、真空干燥、乙醇抽提、减压蒸馏浓缩制备高含量磷脂酰胆碱的提纯工艺。

Acetone and tert-butyl alcohol were two major organic products for the photocatalysis of MTBE.

MTBE之光催化含碳有机产物以丙酮和第三丁醇(tert-Butyl Alcohol， TBA)为主，水气的增加使反应路径由生成丙酮为主朝向生成TBA为主。

In order to study the aldol condensation of 2,15-hexadecanedione on the surface of aluminium, the intermolecular condensationmechanism of acetone occurring on aluminum was simulated by usingsemi-empirical AM1 method embodied in MOPAC 6.0 program package.

为了研究2，15-十六烷二酮在氧化铝表面的环合机理，选择小分子丙酮为模型化合物，用量子化学半经验AM1方法研究双分子丙酮在氧化铝表面的醛醇缩合机理。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。