1)  nitrile oxide
氧化腈
1.
In order to discuss the regioselectivity of nitrile oxide 1,3-dipolar cycloaddition to propyne, 1,3-dipolar cycloaddition reaction of substituted nitrile oxide (RCNO, R=F, NO2, OCH3, OH, COOCH3, CHO, CONH2, H, CH3) with propyne was studied using density functional theory at the 6-311++G** level, and the reaction rates were calculated at different temperature from 200 to 400 K.
用密度泛函(DFT)B3LYP/6-311++G**方法研究了氧化腈(RCNO,R=F,NO2,OCH3,OH,COOCH3,CHO,CONH2,H,CH3)与丙炔的1,3-偶极环加成反应,并且计算了不同温度下的反应速率常数,讨论了氧化腈上不同取代基R的取代效应和温度对反应区域选择性的影响。
2)  oxidation
氧化
1.
New process of isobutyric acid from isobutyraldehyde by water oxidation;
异丁醛加水氧化制异丁酸新工艺
2.
Catalytic oxidation of cyclohexanol into adipic acid using ammonium tungstate as catalyst;
钨酸铵催化氧化环己醇合成己二酸
3.
Oxidation Ability of Nanocrystalline Ni-Coated Al Powders;
纳米镍包覆超细铝复合粉末的氧化性能
3)  oxidization
氧化
1.
A Study of Fish Oil Extraction and Its Autioxidization;
鱼油提取及抗氧化性能研究
2.
Optimization plans for oxidization process of hydrogen peroxide production;
过氧化氢生产中氧化工序的优化
3.
Effective Factors on Lignin-based Surfactant Made by Oxidization of Wheat-straw Alkaline Lignin;
木质素氧化制取表面活性剂的适宜条件
4)  NO oxidation
NO氧化
1.
The results showed that NO reduction and NO oxidation.
结果表明:NO还原和氧化在其脱除过程中同时共存,当NO,N2,O2,H2O和CO2的体积浓度分别为200×10-6,80%,5%,6%和9%时,NO氧化所占的比例比NO还原的大很多;脉冲频率增大导致NO还原率和氧化率均增大;H2O浓度增大导致HNO3浓度增大,表明NO氧化所占的比例随H2O浓度增大而增大。
2.
The catalytic activities of four kinds of supports γ Al 2O 3, ZrO 2, TiO 2 and SiO 2 as well as the Pt catalysts supported on them were investigated for the NO oxidation at the reaction temperature 423K.
研究了载体在 SO2 影响 NO催化氧化过程中的作用 ,考察了反应温度为 42 3 K时 ,γ-Al2 O3、Zr O2 、Ti O2 和 Si O2 4种载体及其负载的 Pt催化剂对 NO的氧化性能 ,与 SO2 存在下的 NO反应活性相比 ,只有 γ-Al2 O3及其负载的 Pt催化剂上存在 SO2 促进 NO氧化的现象。
3.
A study is carried out to see the effects of reaction temperatures and / molar ratios on NO oxidation by ozone in a tube reactor.
当[O3]/[NO]=1、反应温度分别为常温和200℃时,NO氧化率都达到100%,而在275℃时,NO氧化率只有72%,表明反应温度影响显著,其原因主要与较高温度下O3分解加快有关。
5)  oxidize
氧化
1.
Copper colloid oxidized by air to prepare cuprous oxide nanoparticles;
铜胶体氧化法制备纳米氧化亚铜
2.
The representative endocrine disrupters(EDCs)Methomyl was oxidized by O3 and the impact of humic acid, hydrogen peroxide and hydroxyl radical inhibitor hydrogen carbonate ion and tert-butyl alcohol (TBA) on the Methomyl removal was discussed.
采用O3氧化去除水中内分泌干扰物灭多威,通过投加腐殖酸、过氧化氢及羟自由基抑制剂碳酸根离子和叔丁醇,考察灭多威的去除效果。
6)  Oxygenation
氧化
1.
Effects of Oxygenation/Antioxygenation Imbalance in Pathogenesis and Therapy of Pulmonary Interstitial Fibrosis;
氧化/抗氧化失衡在肺间质纤维化形成及防治中的作用
2.
nitro-4-methysulfonyl benzoic acid is synthesized from 4-methysulfonyl toluene by nitration and oxygenation, using sodium dichromate as an oxidizing agent.
本研究以对甲砜基苯甲酸为原料,经硝化、重铬酸钠氧化,制得2硝基4甲砜基苯甲酸,两步反应总收率达80%,产品纯度≥99%。
3.
Chemical modification including oxygenation, esterify, graft copolymerization and so on.
化学改性主要有氧化、交联、酯化和接枝共聚。
参考词条
补充资料:聚丙烯腈预氧化纤维
分子式:
CAS号:

性质:指聚丙烯腈纤维在一定温度下经空气氧化而形成部分环化结构的黑色纤维,是碳纤维的中间产品。密度约1.40g/cm3。强度1.4cN/dtex。伸长率23%。模量5GPa。极限氧指数40~60。分解温度≥640℃。回潮率9%。制法是将聚丙烯腈长丝柬在200~300℃空气中预氧化而得。用作高温炉前工作服;坦克兵军服;焊接火花防护片材;绝缘材料;各种石棉代用品;飞机内装饰材料;耐酸、碱滤材;密封材料;座椅内衬织物等。  

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