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

由此表明了在生成RDX酮的反应过程中，硝脲上比脲更为合适的反应形式。

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

对苄吡啶咪唑酮的物化性质、反应理、合成方法及收率作了详细叙述。

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

一种六碳的酮糖。例如果糖。

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

目的研究康复新对恶唑酮诱导的小鼠实验性肠炎的影响,探讨其机制。

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

目的探讨川芎嗪对口恶唑酮诱导的小鼠实验性肠炎的影响及其机制。

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

建立了测定花生壳中5,7-二羟色酮和圣草酚的HPLC方法。

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

去年在德国发现不同的饮料中有异丙噻吨酮（ITX）的微量残余。

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

摘要吖啶酮生物碱是一类重要的生物活性物质，芸香科柑橘类植物是天然吖啶酮的主要来源。

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

建立鸢尾料中鸢尾酮含量的分析方法。

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

该结果对乙酰乙酸酯法合成假性紫罗兰酮的业发具有实用价值。

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

还介绍了甲庚烯酮的应用前景。

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

到目前，我们已经合成了制备麝香酮中重要的一步中间产物十五碳二羧酸。

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

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

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

而对文献报道的含量较高、功效明确的苍术酮、苍术素未能确认。

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

环状结构 四碳糖和更大的糖能环化，醛或酮与糖的另一碳子上的羟反应。

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

FDA审查请愿书中的问题后确认，其批准盐酸安非他酮仿制药申请的标准是恰当的。

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.

利用正交试验法对柠檬醛和烯丙丙酮合成假性烯丙紫罗兰酮的艺进行了研究，用红外光谱对产品进行了结构分析和鉴定。

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.

本文以紫外光谱为手段研究乙酰乙酸乙酯的酮-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的增加而减少。

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.

此发明应用于芳香酮的不对称氢转移反应等的催化反应中，可以得到很高的产率和对映选择性。

Camphor trees contain camphanone, whose chief conponent is camphor.The water insolubility of camphor limits its application as a raw material for production "of green" pesticides.

摘要樟树中含有樟脑，樟脑的主要化学成分为莰酮，由干莰酮难溶于水的性质，限制了其成为绿色农药的料。