环戊酮

They were eucalyptol, bicyclo［2.2.1］heptan-2-one,1,7,7-trimethyl-,(1R)-, borneol, 1-methyl-2-(1-methyl ethenyl)-(1R-cis)-cyclobutaneethanol, limonene, 1-hydroxymethyl-7,7-dimethy lbicyclo［2.2.1］heptan-2-one,-spathulenol, 3,7,11,15-Tetramethyl-2-hexadecen-1-ol, isocitronellol,-9-Octadecenoic acid, heneicosane, respectively.

阿给中共有11个阿给炭没有检测出的成分，包括桉油精、D-樟脑、冰片、(1R-cis)- 1-甲基-2-(1-甲基乙烯基)环丁基乙醇、二戊烯、1-羟甲基-7，7-二甲基-双环［2.2.1］庚-2-酮、-匙叶桉油烯醇、3，7，11，15-四甲基-2-十六碳烯-1-醇、异香茅醇、-9-十八碳烯酸和廿一烷。

Chapter 4: Synthesis of 1,5-diary 1-1,4-pentadien-3-ones from acetone or benzalacetone with aromatic aldehydes results in 86-97% yield with potassium hydroxide as catalyst under ultrasound irradiation in 5-60min.

为合成氰基环己醇找到一条方便高效的合成方法。第四章：研究了超声辐射下，以氢氧化钾为催化剂，芳香醛与丙酮及亚苄基丙酮之间反应合成1，5-双苄基-1，4-戊二烯-3-酮。

P-Isopropylphenol was synthesized by catalytic transfer dehydrogenation with 5% Pd/C using 4-isopropylcyclohexenone as the material and the hydrogen offer, industrial dipentene as the hydrogen acceptor and the solvent.

采用5%Pd/C作为转移氢催化剂，4-异丙基环己烯酮为氢给予剂，工业双戊烯为氢接受剂和溶剂进行反应，合成了对异丙基苯酚。

The protic- or Lewis acid catalyzed ring-closure of divinyl ketones (and their acid-labile precursors) pentadienylic cations is known as the via Nazarov cyclization.

质子酸或路易斯酸通过戊二烯基阳离子催化二乙烯酮的环闭合（以及它们的酸不稳定前体）这个反应被称为Nazarov环化。

The polyvinyl chloride static and dynamic experiments of the heat stability by three novel low-lead, non-lead and low-tin, and non-lead and non-tin thermal stabilizers remixed respectively with phosphite ester, epoxidized soybean oil,β-diketone, pentaerythritol and houghite were reviewed.

通过新型低铅、无铅低锡和无铅无锡热稳定剂分别与亚磷酸酯、环氧大豆油、β-二酮、季戊四醇和水滑石进行复配，进行了聚氯乙烯的静态和动态热稳定性实验。

Chintin with chintin film processing is not complicated, first of all the industrial processing of accumulation of crab and shrimp when chintin inmnersion hydrochloride, and a strong base to calcium and protein deposits, you can be assured of semi-finished chintin powder; and then add the acetic acid powder soluble in chintin erjia polyamlnes vlproic bisprone nitrogen and licl mixture, mixed solution evenly onto a glass plate, and lixiviating propylalcohol solution would reflect on the glass panes for the transparent on the film.

用甲壳质加工甲壳薄膜的工艺并不复杂，首先将工业加工蟹虾时积聚的甲壳质用盐酸浸泡，再用强碱使钙和蛋白质沉淀，就可得到半成品的甲壳粉末；然后将甲壳粉末溶于醋酸二甲胺、氮戊环酮和氯化锂混合液中，再将混合溶液均匀地洒在玻璃板上，并在异丙醇溶液中浸一下，玻璃板上便形成了透明的甲壳薄膜。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失