octyl

['ɒktl]
  • octyl
  • n.

    辛基;

纠错 数据更新时间:2026-06-10 11:50:38
1、

It not only describes the extraneous factors influencing the esterification, but also explains the internal reasons which restrict the ester value of iso-octyl salicylate.

文中讨论了影响酯化反应的外部条件,同时对制约水杨酸异辛酯酯化率的内在因素也作了相应的解释。

互联网摘选

2、

Hexadecyl octyl dimethyl ammonium bromide and hexadecyl decyl dimethyl ammonitim bromide were synthesized.

合成了十六烷基辛基二甲基溴化铵和十六烷基癸基二甲基溴化铵两个新型杀生剂.

网络文摘精选

3、

The perfume 2-heptyl-1,3-dioxolane was synthesized by the condensation reaction of n-octyl aldehyde ( A) with ethylene glycol ( B) in the presence of a composite catalyst which is composed of p-methyl benzene sulfonic acid and cupric sulfate.

在对甲苯磺酸和硫酸铜复合催化剂存在下,以正辛醛(A)和乙醇(B)为原料经脱水缩合合成了新型香料2-庚基-1,3二口恶戊烷。

互联网摘选

4、

demand forecast about the production& market of butyl alcohol and octyl alcohol

丁醇、辛醇生产技术与市场需求预测

互联网摘选

5、

objective to optimize the extraction process of olibanum by sfe-co2.methods orthogonal design was applied and gc was used to determine the contents of α-pinene and acetic octyl ester to optimize the process.

目的优选超临界CO2萃取乳香的工艺条件。方法:正交法设计萃取工艺,GC法测定超临界CO2萃取物中α-蒎烯和乙酸辛酯的含量,以此为指标综合评价各工艺。

互联网摘选

6、

Secondly, the solution of PSC-11 in o-nitrophenyl n-octyl ehter ( NPOE) were immobilized in a porous polymeric membrane ( Celgard 2400) to prepare the supported liquid membranes.

其次,用PSC-11的邻硝基苯基正辛醚溶液固定在多孔聚合物膜(Celgard2400)中制备支撑液膜。

互联网摘选

7、

The column temperature was increased by programming with the sample entrance and detector being at250 ℃. The carrier gas was nitrogen. The flow rate was1ml/ min and shunting ratio was25 ∶ 1.N-octyl alcohol was used as internal standard.

方法色谱柱为DB-WAX毛细管柱,柱温采取程序升温,进样口及检测器温度为250℃,载气为氮气,流速为1ml/min,分流比为25∶1,内标为正辛醇。

互联网摘选

8、

Objective : To establish quality control method for N-octyl-O-sulfate chitosan.

目的: 建立N - 辛基 -O- 硫酸酯基壳聚糖质量分析方法.

互联网摘选

10、

The experimental results show that 2-ethyl hexyl thioacetate is a good extractant for palladium and that N, N-di ( sec-octyl) 2-ethyl hexyl thioacetamide, as well as di ( 2-ethyl hexyl) sulfide, is an excellent extractant for gold.

实验结果表明:2乙基已硫基乙酸乙酯对钯具有较好的萃取性能,N,N二仲辛基2乙基已硫基乙酰胺与二(2乙基已基)硫醚一样是金的优良萃取剂。

互联网摘选

11、

Using alcohol as starting material, double octyl quaternary ammonium bromide was obtained. It's yield reached 80 %.

以脂肪醇为原料, 合成了双辛基季铵溴盐,其产率达80%.

网络文摘精选

12、

By using ethyl cyanoacetate and n-octanol as raw materials, n-octyl cyanoacetate was synthesized through interesterification.

以氰乙酸乙酯和正辛醇为原料, 采用酯交换法合成了氰乙酸正辛酯.

互联网摘选

13、

The extraction power of the extractants decreases apparently with the replacement of RO group by R group and the replacement of n octyl group by s octyl or iso octyl group along with the slight increase of separation factors.

随着萃取剂分子中RO基团被R基团取代及正辛基被仲辛基或异辛基取代,萃取能力明显下降,分离因数βEu/Am和βNd/Am略呈上升趋势。

互联网摘选

14、

These ion peaks distribute between m/ z 150 and 1500 with rational interval. So iso-octyl phosphorite can be used as calibration reference in field desorption mass spectrometry.

这些离子强度较大,质量间隔合理,范围在m/z150~1500之间,可作为场解吸质谱的质量校正物质。

互联网摘选

15、

The Synthesis of polyoxyethylene p-t-octyl phenol ether, the terminal control of reaction, the relations among reaction temperature, pressure and time, and the effect of oxygen content on product appearance were related in this paper.

本文叙述了聚氧化乙烯对特辛基酚醚的合成、生产终点控制、反应时间与温度、压力的关系,以及产品外观与氧含量的关系。

互联网摘选

16、

This paper deals with the law of interface between the non-ionic surface active agent octyl-Phenyl polyoxyethylene ether ( OP-10) and organic acid or it's salt with methods of surface tension and solubilization.

本文用表面张力法和增溶法研究非离子型表面活性剂辛基苯酚聚氧乙烯醚-10(OP-10)和脂肪酸及其盐相互作用的规律。

互联网摘选

17、

Using Phase-transfer Catalysis Technigue in Compounding Iso-octyl Thioglycolate

用相转移催化法催化合成巯基乙酸异辛酯的工艺研究

互联网摘选

18、

Octyl glycidyl ether is a good reactive diluent with low toxicity and no irritation, the studies were concentrated on the synthesis of this diluent.

辛基缩水甘油醚是一种很好的低毒性、无刺激性的活性稀释剂,本文主要对这种稀释剂的合成等方面作进一步的研究。

互联网摘选

19、

OBJECTIVE To prepare doxorubicin loaded octyl-N'- succinyl chitosan micelles and study the in vitro anti-tumor activity .

目的制备阿霉素高聚物胶束并研究其体外 抗肿瘤活性.

互联网摘选

20、

the primary product analyzed by thin layer chromatography, and its ingredients are octyl polyglucoside, residuary alcohol ( 1.209%) and polyglucose ( 0.359%).

利用薄层色谱分析了粗产物的组分为正辛基聚葡萄糖苷、残醇和多糖,其中残醇含量为1.209%,多糖含量为0.359%。

互联网摘选

21、

By taking four kinds of quaternary ammonium salts as the phase transfer catalysts, octyl glycidyl ether have been prepared directly form 1-octanol and epichloro-hydrin, and the reaction mechanism is studied primitively.

利用4种具有不同结构的季铵化合物作为相转移催化剂,以正辛醇和环氧氯丙烷为原料一步合成了辛基缩水甘油醚,并对其反应机理作了初步研究。

互联网摘选

22、

In this paper the origin and development of octyl and decyl glycerate was introduced.

本文介绍了辛癸酸甘油酯这一产品的起源、发展.

互联网摘选

23、

The Effect of Repeated Bonding of Octyl-a-cyanoacrylate Adhesive on Human Tibia Cortical Bone

a-氰基丙烯酸正辛酯反复粘接人胫骨皮质骨的生物力学研究

互联网摘选

24、
25、

The mechanism to synthesize the octyl-D-glucopyranoside catalyzed by zinc chloride is suggested.

报道了氯化锌催化合成正辛基 -D- 吡喃葡萄糖苷反应机理的研究,考察了影响产物构型的因素.

互联网摘选

26、

The mechanism of the extraction of phenol by n, n-di-sec-octyl acetamide

N,N-二仲辛基乙酰胺萃取苯酚的机理

互联网摘选

27、

A Study on The Stabilizing Effect of Dimethyl Tin-S, S'-Bis ( Iso-octyl Thioglycolate) and Its Influence on Rheological Behavior in the Processing of Rigid PVC

S,S′-双(硫代甘醇酸异辛酯)二甲基锡(DMTTG)在硬PVC加工中稳定效应及其对流变行为的影响

互联网摘选

28、

Under the same conditions, benzyl butyrate, benzyl phenylacetate, octyl propionate and octyl butyrate were synthesized in 87%-90% yield.

利用上述条件合成了丁酸苄酯、苯乙酸苄酯、丙酸辛酯和丁酸辛酯,产率为87%~90%。

互联网摘选

29、

abstract: pure octyl polyoxyethylene ether sulfates and pyridinium salt have been synthesized from homogeneous octyl alcohol polyoxyethylene ethers ( obtained by williamson synthesis). the surface activities of them and their 1: 1 mixture were investigated.

自Williamson合成法得到均一的辛基聚氧乙烯醚,再由此进一步合成了纯净的辛基聚氧乙烯醚硫酸盐及吡啶季铵盐,研究了此二表面活性剂及其1:1混合物的表面活性。

互联网摘选

  • 相关词组
  • 今日热词
  • 热门搜索

英语网英语词典(dict.25820.com)为您提供在线翻译英语词典单词大全英译汉汉译英等英语服务!可按单词字数词义分类查询。支持lj:关键词格式查询例句。

用户反馈
请选择反馈类型(可多选):
您的联系方式:
反馈内容:
提交成功 小编会尽快处理
回到顶部
点击反馈