1.Methylheptenone selective hydrogenization to linalool in PEMFC system was anlysed.The application prospect of methylheptenone was also simply introduced.

1.还介绍了甲基庚烯酮应用前景。

2.This proved that nitrourea was a more suitable reactant than urea to synthesize Keto-RDX.

2.由此表明了在生成RDX酮反应过程中，硝基脲上比脲更为合适反应形式。

3.This treatise introduces the physicochemical property,reaction mechanisim,synthesis method and the yield of benzyl pyridin benzimidazolone.

3.对苄基吡啶基苯并咪唑酮物化性质、反应原理、合成方法及收率作了详细叙述。

4.The results can be used to guide the engineering development for the synthesis of pseudoionone by this method.

4.该结果对乙酰乙酸酯法合成假性紫罗兰酮工业开发具有实用价值。

5.Ketohexose A ketose SUGAR with six carbon atoms, e.g. fructose.

5.一种六碳酮。例如果。

6.AIM To investigate the effect and mechanisms of tetramethylpyrazine on oxazolone induced colitis in mice.

6.探讨川芎嗪对口恶唑酮诱导小鼠实验性肠炎影响及其制。

7.Acridone alkaloids, a group of important bioactive compounds, are mainly in the citrus plant of Rutaceae family.

7.摘要吖啶酮生物碱是一重要生物活性物质，芸香科柑物是天然吖啶酮主要来源。

8.AIM To investigate the effect and mechanisms of Kangfuxin on oxazolone induced colitis in mice.

8.研究康复新对恶唑酮诱导小鼠实验性肠炎影响,并探讨其制。

9.Objective: To establish a method for determination of Irone in Iris tectorum.

9.建立鸢尾原料中鸢尾酮含量分析方法。

10.HPLC method was established for determination of 5,7-dihydroxychromone and eriodictyol of peanut hulls.

10.建立了测定花生壳中5,7-二羟基色原酮和圣草酚HPLC方法。

11.Last year in Germany found in different sportswater isopropylation photics tons of ketone (ITX) of microamounts.

11.去年在德国发现不同饮料中有异丙基噻吨酮（ITX）微量残余。

12.So far, we have synthesized pentadecane diacid , which is a very important intermediate product during preparing muscone.

12.到前，我们已经合成了制备麝香酮中重要一步中间产物十五碳二羧酸。

13.BPA is a substrate for estrogen sulfotransferase, and bisphenol A sulfate (BPAS) and disulfate are substrates for estrone sulfatase.

13.BPA是一个雌激素磺酸转移酶底物，且二苯A硫酸盐（BPAS）和脱硫酸盐是雌激素酮硫酸酯酶底物。

14.However, the atractylone and atractylodin reported in literature with high contents and definite efficacy were not identified in the SDE extractions.

14.而对文献报道含量较高、功效明确苍术酮、苍术素未能确认。

15.Glucose cyclizes to form asix- membered pyranose ring whilst five –carbon surgars and six-carbon ketose sugars (ketohexoses) such as fructnose rings.

15.环状结构 四碳和更大能环化，醛基或酮基与另一碳原子上羟基反应。

16.The invention is applied to the catalytic reactions such as aromatic ketone unsymmetrical hydrogen transfer reaction and can achieve very high yield and enantiotropic selectivity.

16.此发明应用于芳香酮不对称氢转移反应等催化反应中，可以得到很高产率和对映选择性。

17.This paper uses orthogonal experiment to research on the synthesis technique of pseudo-ally lionone from citral and allylacetone. The product structure had analysed by IR.

17.利用正交试验法对柠檬醛和烯丙基丙酮合成假性烯丙基紫罗兰酮工艺进行了研究，并用红外光谱对产品进行了结构分析和鉴定。

18.After reiewing the issues raised in the petition, FDA determined that its standards for approal of the generic drug application for bupropion are appropriate.

18.FDA审查请愿书中问题后确认，其批准盐酸安非他酮仿制药申请标准是恰当。

19.The syntheses of two new derivatives of 4 - pyrone, by the reaction of adipyl choloride with enamines deriving from chain ketones and aldehydes, are described.

19.本文由链状醛酮烯胺与己二酰氯反应合成两个新4-吡喃酮衍生物。

20.Keto-enol tautomerizing of ethyl acetoacetate was studied by UV.It was conformed that the content of enol ethyl acetoacetate decreased with the increasing polarity of solvents.

20.本文以紫外光谱为手段研究乙酰乙酸乙酯酮-烯醇式互变异构现象;所得结果证实其烯醇式含量随溶剂极性增加而减少。