佛尔酮

The results showed that the first canonical correlation coefficient between aldehydes, ketones, esters and the total quantity of each kind of ingredient and smoking quality achieved 5 % or 1 % remarkable level. And their correlation depended mainly in the correlation between phenylacetaldehyde, furfural, megastigmatrienone-1, megastigmatrienone-3, geranylacetone,β-damascenone, keto-isophorone, dihydroactinidiolide and smoking quality.

结果表明：醛类成分、酮类成分、酯类成分与香气质、香气量的第一典型相关系数达到5%或1%显著水平，各类成分总量与香气质、香气量的第一典型相关系数达到1%极显著水平，其相关关系主要表现在苯乙醛、糠醛、巨豆三烯酮1、巨豆三烯酮3、香叶基丙酮、β-大马酮、氧化异佛尔酮、二氢猕猴桃内酯等成分与香气质、香气量的相关上。

Our company is mainly engaged in chemical raw materials trading, the company mainly engaged in: toluene, xylene, mesitylene, durene, 6 # 120 # 200 # solvent, ethyl acetate, butyl acetate, acetone, butanone, cyclohexanone, isophorone, MIBK, isopropyl alcohol, isobutyl alcohol, butanol, mixed alcohols, methanol, ethanol, ethylene glycol, diethylene glycol, diacetone alcohol, Anti-White Water, CAC, n-hexane, dichloromethane, trichloro-B, DMF, 5 # 10 # 15 # white mineral oil, lubricating oil, sewing machine oil, as well as high-pressure polyethylene, linear polyethylene, low-pressure polyethylene, polypropylene, rubber and other chemical raw materials.

我公司主要从事化工原料贸易，公司主要经营：甲苯、二甲苯、三甲苯、四甲苯、6# 120# 200#溶剂、醋酸乙酯、醋酸丁酯、丙酮、丁酮、环已酮、异佛尔酮、MIBK、异丙醇、异丁醇、正丁醇、混丙醇、甲醇、乙醇、乙二醇、二甘醇、二丙酮醇、防白水、CAC、正已烷、二氯甲烷、三氯乙、DMF、5# 10# 15#白矿油、润滑油、针车油以及高压聚乙烯、线性聚乙烯、低压聚乙烯、聚丙烯、橡胶等各种化工原料。

There are two kinds of synthetic pathway for KIP, the first route is to isomerize α-isophorone into a β-isophorone, and then oxidize β-isophorone into the product; the second route is direct oxidation of α-iso-Isophorone into the product.

目前有两种合成途径，第一条路线为α-异佛尔酮异构化为β-异佛尔酮，然后再氧化β-异佛尔酮制得KIP；第二条路线为直接氧化α-异佛尔酮制备。

The yield of keto isophorone was over 94% under optimum conditions.

研究了以β-异佛尔酮为原料，在催化剂存在下，用分子氧氧化制备酮代异佛尔酮的合成工艺。

This paper introduced isophorone on production technology,market and application prospect at the same timethe paper give some suggestions to producing of isophotone.

本文阐述了异佛尔酮的生产工艺技术进展、市场需求及应用现状，介绍了国内外异佛尔酮的发展趋势，最后对异佛尔酮的生产提出了一些设想和建议。

Oxo-isophoroneprepared by isophorone oxidation is an important intermediate of synthesis of vitamin E.

氧代异佛尔酮是合成维生素E的重要中间体，它可以通过异佛尔酮氧化生成。

In the first route, the isomerization process of α-isophorone into a β-isophorone requires high temperatures, and only about 4% of the conversion was obtained for the conjugate effect of α-isophorone.

在第一条路线中由于α-异佛尔酮的共轭效应，使得α-异佛尔酮异构化为β-异佛尔酮的过程中需要很高的温度，且仅有4%左右的转化率。

Therefore, this paper selected the direct oxidation route to synthesize α-isophorone, and according to the principles of green chemistry, oxygen was used as the oxidant, with non-metal N-hydroxy-phthalimide as catalyst, for preparation of Isophorone.

因此本论文的研究选用以α-异佛尔酮直接氧化的路线，且根据绿色化学的原则，以氧气为氧化剂，用一种无金属参与的N–羟基邻苯二甲酰亚胺为催化剂催化α-异佛尔酮，为氧代异佛尔酮的制备提供一条全新的途径。

At the same time, some of the pyrolysates are the important favors in cigarette smoke, such as isophorone and megastigmatrienone, etc. The amounts of these pyrolystaes alter with the change of pyrolysis temperatures and the concentration of oxygen. the lutein is applied to cigarettes as flavoring.

分析结果表明，叶黄素的裂解产物主要是甲苯和对-二甲苯等苯及其同系物、1，2–二氢-1，1，6-三甲基-萘和2，7-二甲基萘等萘及其同系物，另外还生成氧化异佛尔酮和巨豆三烯酮等酮类物质和烯烃类物质等，这些物质随着裂解温度和裂解氛围的变化，其种类和峰面积归一化百分含量有所不同。

Results The mixing, loading and storing processes of the construction, might generate lots of occupational hazards, including toluene, dimethylbenzene, trimethylbenzene, isopropanol, butyl alcohol, propanol, methyl methacrylate, butyl acetate, methyl isobutyl ketone, methyl ethyl ketone, acetic ether, nitro-cotton, n-hexane, n-heptane, carbinol, ethanol, ethyl propionate, diisobutyl ketone, glycol ether, isoamyl acetate, 2,4-toluene diisocyanate, isophorone, noise, power frequency electric fields.

结果 该项目在混兑生产和装卸、仓储过程中，可能产生的职业病危害因素主要有甲苯、二甲苯、三甲苯、异丙醇、丁醇、丙醇、甲基丙烯酸甲酯、乙酸丁酯、甲基异丁基甲酮、丁酮、乙酸乙酯、硝化棉、正己烷、正庚烷、甲醇、乙醇、乙酸丙酯、二异丁基甲酮、乙二醇乙醚、乙酸异戊酯、2，4甲苯二异氰酸酯、异佛尔酮、噪声、工频电场。

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。