1) protector
取代剂
1.
This paper studied and advanced the new protector (such as MgSO4, Mg (NO3)2, MgO, KH2PO4, NaBrO3, DTPA, EDTA and their combination) during H2O2 bleachiug of wheat straw oxygen bleached pulp as well as the results of replacing Na2SiO3.
５％的Ｎａ２ＳｉＯ３，相当于通常Ｎａ２ＳｉＯ３用量的３０％；漂前浆料若经Ｈ２ＳＯ４预处理，以上述用量的取代剂，可代替２。
2) PVC resin substitute
PVC树脂取代剂
1.
PVC resin substitute is a new chemical raw material which is cheaply Priced andaccounts only for 1/4 the resin price.
PVC树脂取代剂是一种新型的化工原料,价格便宜,只占树脂价格的1/4。
3) substitution
取代
1.
Effect of substitution of compensation valence on dielectric and piezoelectric properties of lead-free piezoelectric ceramics of (Bi_(1/2)Na_(1/2))TiO_3;
补偿电价取代对(Bi_(1/2)Na_(1/2))TiO_3无铅压电陶瓷介电与压电性能的影响
2.
Density Functional Theory Studies on the Substitutional Site of Nitrogen in the Nitrogen-Incorporated ZSM-5 Zeolite;
含氮ZSM-5分子筛骨架中氮取代位置的密度泛函计算
3.
Because the O11 atom located at the Brnsted acid site is one of the most preferred sites for nitrogen substitution,nitridation can decrease the .
利用量子化学中的密度泛函理论,基于ZSM-5分子筛的8T簇模型,在Gaussian 98程序中采用B3LYP方法和6-311G(d,p)基组计算了ZSM-5分子筛中氮的最佳取代位置。
4) replacement
取代
1.
The dechroming mechanism of organic acid from chrome shavings was studied from the following aspects,the depolymerization of complex compound,the replacement of H+ and the replacement of organic acid radical anion.
从络合物解聚、氢离子取代和有机酸根阴离子取代3个方面,探讨了有机酸的脱铬机理,认为氢离子的取代和有机酸阴离子的取代起主要作用。
2.
This article,on the basis of cold-rolled ribbed steel bars in residential buildings,introduces their characteristics and replacement of ordinary steel bars in pre-stressed unit.
文章从冷轧带肋钢筋在住宅建设上的应用着手,介绍了冷轧带肋钢筋具有特点,在预应力构件中基本取代常用的钢筋。
3.
The community succession and replacement of late Devonian and their correlation in central Hunan are discussed in more details.
本文分析了Li群落和C-H群落的生物组成,分异度,相对丰富度,生活方式及空间分布等特征;讨论了湘中晚泥盆世群落的演替和取代规律及其空间对比,进一步强调了生物与环境的密切关系及其在地层学上的意义。
5) Replace
取代
1.
Chloro- hydrin resin and chlorinated rubber have no distinct difference in advantages and disadvantages by comparison; and from the view- point of environment protection, chlorohydrin resin can completely replace chlorinated rubber as binder.
从环保角度来看,氯醚树脂完全可以取代氯化橡胶。
2.
This process saves time and raw material, lowers considerable production cost, achieves good application result, and can replace conventional chlorite bleaching and hydrogen perox.
通过研究氧漂稳定剂TanatexGEO对棉针织物的氧漂特性及过氧化氢酶去除漂白后残余双氧水的机理,开发了使用TanatexGEO等生产特白棉针织物的工艺,可取代传统的亚、氧双漂工艺,省时省料,大幅度降低了生产成本,取得良好的应用效
3.
The high-toxic pesticide in plant protection will be replaced recently in China.
取代高毒农药势在必行。
6) substitute
取代
1.
Study on Synthesis of 2,6-Substitute Purine Derivatives;
嘌呤2，6位取代衍生物的合成
2.
The rate constants and yields of aromatic halides containing substitutes with different electrophilicities were investigated.
三氟乙酸钠在以CuI为催化剂的条件下与卤代芳烃进行取代反应,生成相应的三氟甲基化合物。
3.
Based on the data,pyrimidine analogues were classified as six species,including single substituted pyrimidine,double substituted pyrimidine,three substituted pyrimidine,four substituted pyrimidine,thiazolopyrimidine and pyridopyrimidine.
对嘧啶类化合物进行了系统的分类,将其分为单取代嘧啶、二取代嘧啶、三取代嘧啶、四取代嘧啶、噻唑并嘧啶、吡啶并嘧啶等6类,并详细介绍了常见嘧啶类化合物的合成及其应用。
参考词条
补充资料：取代苯类杀菌剂
分子式：
CAS号：
性质：化学结构中含有苯环的有机杀菌剂。如五氯硝基本、百菌清、敌磺钠等。其大部分品种具有高效、低毒、广谱的特点。敌磺钠对由腐霉菌属和丝囊菌属引起的病害有特效，对一些真菌性病害也有防效，具有内吸杀菌活性。
CAS号：
性质：化学结构中含有苯环的有机杀菌剂。如五氯硝基本、百菌清、敌磺钠等。其大部分品种具有高效、低毒、广谱的特点。敌磺钠对由腐霉菌属和丝囊菌属引起的病害有特效，对一些真菌性病害也有防效，具有内吸杀菌活性。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。