国产高清精品免费区-男女一进一出抽搐免费视频-中日韩一二三级黄色永久视频-日韩精品人妻一区二区免费视频-日本久久视频在线观看-99热这里只有精品88热-亚洲韩国黄色最新短视频一区-日韩伦理在线观看免费全集-国产av一区二区三区天堂

cyclization

cyclization

美 [?sa?kl?'ze???n]  英 [sa?kl?'ze???n]

  • n.【化】環(huán)合
  • 網(wǎng)絡(luò)環(huán)化;環(huán)化反應(yīng);環(huán)化酌

英漢解釋

n.
1.
【化】環(huán)合,環(huán)的形成

英英解釋

n.

例句

The intramolecular cyclization mechanism of this kind diazonium salt under metal cation as catalyst were proposed firstly.

首次推測(cè)金屬離子催化類(lèi)分子內(nèi)關(guān)環(huán)反應(yīng)機(jī)理

The resin (B) is preferred to be conjugated diene polymer cyclization material with unsaturated bond decrement rate more than 10%.

樹(shù)脂B優(yōu)選不飽和減少10%以上共軛二烯聚合物環(huán)

Methods: Starting from diethanolamine, BP897 was prepared via chlorination, cyclization, substitution, aminolysis and condensation reaction.

方法起始原料,經(jīng)過(guò)氯化環(huán)、取代、、縮合反應(yīng)合成BP897。

METHOD The title compound was synthesized from p-methylsulfonyl-acetophenone via bromination , condensation and cyclization.

方法對(duì)?;?/c>乙酮原料經(jīng)溴代、縮合環(huán)反應(yīng)合成產(chǎn)物。

It was found that amide-group (CONH2) drastically promoted the activity of the cyclization of the molecular chains.

酰胺(-CONH2)對(duì)分子環(huán)催化促進(jìn)作用;

The method adopts the amino resin to synthesize carbetocin by the solid phase cyclization technology.

發(fā)明采用氨基樹(shù)脂,固相環(huán)技術(shù)合成

Application of samarium diiodide in mediating intramolecular cyclization reactions was reviewed.

綜述分子內(nèi)環(huán)反應(yīng)應(yīng)用。

In this dissertation, we synthesized several new types of fullerene derivatives through four new cyclization reactions. 1.

本文通過(guò)新穎環(huán)反應(yīng)得到類(lèi)新型環(huán)衍生物。

METHODS Bretazenil was synthesized from 3-bromoaniline by cyclization, oxidation and ring-enlargement reaction, etc.

方法3-苯胺起始原料,經(jīng)過(guò)成環(huán)氧化、擴(kuò)環(huán)反應(yīng)得到目標(biāo)產(chǎn)物。

Method: The compound was synthesized from p-cresol and cinnamic acid by dehydration and cyclization.

方法對(duì)甲酚肉桂原料經(jīng)脫水、環(huán)標(biāo)題化合物;

The mechanism was discussed in the proton acid catalytic reaction of furan phenol cyclization.

探討呋喃環(huán)反應(yīng)質(zhì)子催化機(jī)理。

After cyclization between intermediates 9 and 5, and salt formation, efonidipine hydrochloride could be obtained.

中間體59經(jīng)環(huán)反應(yīng)鹽酸福地。

Cyclization occurs readily with dilute alkali.

遇到容易環(huán)。

and (2) the cyclization method in the invention is more simple, convenient and high-efficient, and the condition is moderate.

發(fā)明環(huán)方法更加簡(jiǎn)便高效,條件溫和。

We also explored the effects of the 4, 4'-disubstituted functional groups on the thermal cyclization reaction.

另外,我們探討4,4’位置不同官能,對(duì)于反應(yīng)影響

Nitrazepam was synthesized from 2-amino-5-nitrobenzophenone by haloacetylation, cyclization, and purification via salt formation.

2-氨基-5-硝基原料,經(jīng)乙酰、環(huán)精制硝基安定

The changes of IR spectra during the process of cyclization are studied by using 1, 4-polyisoprene as main component.

研究當(dāng)1,4-戊二烯為主成分時(shí),環(huán)反應(yīng)過(guò)程紅外光譜變化特點(diǎn)。

The phenomonon was explained in view of the mechanism of chemical cyclization of poly(amic acid).

聚酰胺化學(xué)環(huán)反應(yīng)機(jī)理出發(fā)對(duì)結(jié)果給予解釋。

Relationship between cyclization degree of imidazoline corrosion inhibitor and its corrosion inhibition performance

啉緩合成過(guò)程環(huán)程度性能關(guān)系

New energy-saving and pollution-reducing techniques for the cyclization system in epoxy chloropropane facility

環(huán)氯丙烷裝置環(huán)系統(tǒng)節(jié)能新技術(shù)

Research on Olefin Oligomerization and Cyclization Catalyzed by Metallocene Catalyst

茂金屬催化劑催化烯烴齊聚環(huán)研究進(jìn)展

Optimum control of cyclization reaction of epoxy chloropropane production facility

環(huán)氯丙烷裝置環(huán)反應(yīng)優(yōu)化控制

adding organic alkali and lithium chloride in solvent for cyclization to obtain carbetocin-amino resin;

溶劑,加入有機(jī)氯化,環(huán)得到-氨基樹(shù)脂;

Influences of Intramolecular Cyclization on PVA Crosslinked System

分子內(nèi)環(huán)對(duì)聚乙烯醇交聯(lián)體系影響

Designing cyclization reaction tank for caffeine production

咖啡因車(chē)間環(huán)反應(yīng)設(shè)計(jì)

In situ Cyclization in the Course of Butadiene-Isoprene Copolymerization with Nd-based Catalyst

稀土催化-聚合過(guò)程原位環(huán)反應(yīng)

Research and Implementation of Key Technologies in Test Vector Cyclization

測(cè)試向量周期關(guān)鍵技術(shù)研究實(shí)現(xiàn)

Application of samarium diiodide in intramolecular cyclization reaction

分子內(nèi)環(huán)反應(yīng)應(yīng)用

The Advancement of Catalysts in Synthesis of Ionone by Cyclization of Pseudoionone

紫羅蘭環(huán)合成紫羅蘭催化劑研究進(jìn)展

Study on the Cyclization of Quinolone Antibacterial Compounds

喹諾酮類(lèi)抗菌化合物環(huán)反應(yīng)研究

Green Progress on Olefinic Oxidation and Cyclization Reaction

烯烴氧化環(huán)反應(yīng)綠色進(jìn)展

Study on Catalyzed Cyclization of Ethylenediamine in Gas-Solid Phase

乙二固相催化環(huán)研究

Low-valent Titanium Induced Reductive Cyclization of o-Nitrobenzamides and Ketones

價(jià)引起硝基還原環(huán)反應(yīng)

Catalytic Performance of Sulfated Silica MCM-41 for Cyclization of Pseudoionone to Ionones

硫酸促進(jìn)MCM-41催化假性紫羅蘭環(huán)合成紫羅蘭性能

Study on the Synthesis of Methyl Ionone by Cyclization Reaction

甲基紫羅蘭環(huán)合成研究

The Improvement of the Cyclization Step in the Stepwise Synthesis of calix[4]arenes

逐步合成[4]芳烴關(guān)環(huán)反應(yīng)改進(jìn)

Recent Progress in the Radical Cyclization of Olefins

烯烴自由環(huán)反應(yīng)研究進(jìn)展

熱門(mén)查詢