丙酮的

Regulations control the amount of acetone and acetylene allowed in each size cylinder.

的规范控制了允许充入每种尺寸钢瓶的丙酮和乙炔的数量。

ConclusionThere is good cytotoxicity of the ethyl acetate and acetone extracts from Alocasia macrorrhiza to tumor cells, and no obvious acute toxicity has been observed.

结论醋酸乙酯和丙酮提取物有较好的细胞毒活性，没有明显的急性毒性，这两部分有较好的抗肿瘤前景。

Objective To increase the success rate of prenatal diagnosis for classical phenylketonuria.

目的提高经典型苯丙酮尿症的产前诊断的成功率。

Objective To compare two methods of phenylketonuria screening for newborn.

目的 比较筛查新生儿苯丙酮尿症的2种检测苯丙氨酸的方法―细菌抑制法和荧光法。

Urine sample of the normal children and children patients with phenylketonuria or neuroblastoma were analysed by two methods.

并对正常儿、苯丙酮尿症患儿、神经母细胞瘤患儿的尿标本进行了两种方法的对比研究。

" Tyrosine: One of the amino acids, not essential for humans unless they have the hereditary disorder phenylketonuria."

酪氨酸：一种氨基酸，对人体不是必需的，但患有苯丙酮尿症的人群除外。

Results: The survey of the Chinese middle class life of 15254cases of newborn screening11552cases, diagnosed with a congenital heart gland dysfunction 3 cases of phenylketonuria 1 cases, more than 4 cases in a timely manner are Treatment to prevent the occurrence of mental retardation.

结果：本次调查中共出生活产新生儿15 254例，筛查11 552例，确诊先天性甲状腺功能低下3例，苯丙酮尿症1例，以上4例均得到及时的治疗，避免了智力障碍的发生。

MethodsCSF was extracted from patients with GBS and controls, and proteins were precipitated with icecold acetone. Isoelectric focusing electrophoresis was employed as the first dimension and sodium dodecylsulfatepolyacrylamide gel electrophoresis was employed as the second dimension.

方法分别取GBS疾病组和对照组的新鲜脑脊液，冰丙酮沉淀法提取总蛋白，进行第一向等电聚焦电泳和第二向十二烷基磺酸钠聚丙烯酰胺凝胶电泳分离蛋白质组，Image Master 2D图像分析软件对分析胶进行比较分析，识别差异表达明显的蛋白质点。

Alcohols, ketones, esters, alcohols, ethers common media are methanol, ethanol, ethylene glycol, propanol, etc., ketones medium with acetone, methyl ethyl ketone, etc., there are a variety of methyl esters of medium, ethyl ester, ether medium with ether, ethyl ether, butyl ether, etc., they basically did not corrosive materials can be used for the specific use of the property should also be under the media and related requirements to make reasonable choices.

醇类、酮类、酯类、醚类常见的醇类介质有甲醇、乙醇、乙二醇、丙醇等，酮类介质有丙酮、丁酮等，酯类介质有各种甲酯、乙酯等，醚类介质有甲醚、乙醚、丁醚等，它们基本没有腐蚀性，常用材料均可适用，具体选用时还应根据介质的属性和相关要求做出合理选择。

When the reaction was finished, the ligand was extracted with CH2Cl2 and precipitated upon addition of diethyl ether followed by filtration.

2配体2在丙酮/水体系中催化/又种烯烃的AD反应，非链端烯烃的立体选择性(80一99%ee)明显优于链端烯烃(51一62%ee)。

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。