二二二
- 与 二二二 相关的网络例句 [注:此内容来源于网络,仅供参考]
-
The details and results are summarized below:(1)An ABC style three component cascade reaction of aromatic aldehydes, aromatic amines and diethyl malonic ester or cyclohexanone has been developed.
论文从苯炔和亚胺出发,设计并系统研究了4种新的多组分串联反应,主要内容和结果如下:(1)发展了一种芳醛、芳胺和丙二酸二乙酯或环己酮的ABC型三组分串联反应。
-
A second group includes those compositions, which include an organic polymeric binding material, eg, mixed cellulose esters of monobasic or dibasic acids such as cellulose acetate succinate; an addition-polymerizable ethylenically unsaturated compound, eg, vinylidene and vinyl monomers, preferably of the acrylic or alkacrylic ester type; eg, triethylene glycol diacrylate; and an addition-polymerization initiator which forms radicals under the influence of actinic radiation, eg, anthraquinone.
第二组包括那些作品,其中包括有机聚合物具有约束力的物质,例如,对一元或二元酸混合纤维素酯,如醋酸纤维素琥珀酸; 1此外,聚合ethylenically不饱和化合物,例如,偏和乙烯基单体,丙烯酸最好的或alkacrylic酯类型,如,三乙二醇二丙烯酸酯;和加成聚合引发剂的形式下光化辐射的影响自由基,例如,蒽醌。
-
Specifications / physical data on the physical characteristics: Composition: propylene glycol monomethyl ether, surfactant, water, and other proprietary components.
规格/物理数据物理特征:成分:二丙二醇单甲醚,表面活性剂,水,其他专有成分。
-
VI chromium mononitride...
氯氧化铬;二氯二氧化铬。。
-
Chromium mononitride...
氯氧化铬;二氯二氧化铬。。
-
The chemical analysis result of modified lignin by alkaline-oxygen treatment is as following:The chemical analysis result of modified lignin by alkaline-oxygen treatment showed that the carboxyl group of modified lignin increased, since muconic acid type structure were generated from phenolic structure by ring-open reaction during alkaline-oxygen treatment.
氧碱处理改性木素的化学分析结果见下表;┌────┬────┬─────┬────────────────┬────┐│改性本素│OCH_3│总糖│C_9单元式│COOH │├────┼────┼─────┼────────────────┼────┤│O_4 │8.49 │0.07 │C_9H_(10.45)O_(3.7)(OCH_3)_(053)│10.82 │└────┴────┴─────┴────────────────┴────┘氧碱处理改性木素的化学分析结果表明,改性木素的羧基含量明显增加,在氧碱处理的过程中,由于芳环的开裂,(来源:ABCe6论6d文网www.abclunwen.com)形成了己二烯二酸结构,因此改性木素具有较高的反应活性,易与Al~(3+)形成络合。
-
Soil conditioning agent; utilization of black liquor; modified lignin; aluminum toxicity; ligand; sulfonated lignin; alkaline -oxygen treated lignin; gel filtration chromatography; muconic structure.
农业科技,农业基础科学,土壤学土壤改良剂;黑液利用;改性木素;磺化木素;氧碱处理木素;铝毒;螯合剂;凝胶过滤色谱;己二烯二酸结构
-
Dioctyl sebacate ; Nonacid catalyst ; Plasticizer ; Esterification.
癸二酸二辛酯;增塑剂;酯化;非酸性催化剂
-
This paper confirmed that the microcapsule from sodium alginate and which is used in carbonless copy paper by single cogulation process owns higher embedding ratio and better nonpermeability stableness and strength.
本文对以海藻酸钠为壁材、以结晶紫内酯的邻苯二甲酸二丁酯溶液为芯材通过单凝聚法制备无碳复写纸用微囊的工艺条件进行了研究,制定了工艺路线和流程,确定了最佳的乳化条件、絮凝条件、固化条件以及壁材浓度、芯壁比,并对成品微囊进行了应用性的对比分析。
-
Output of thermal coal, used by power stations, gained 18% to 39 million tons while production of Australian coking coal, used to make steel, slipped 31% to 2.2 million tons after the suspension of the Oaky Creek No.
输出的热力煤,用电站,上涨18 %至39万吨,生产的澳大利亚焦煤,用于制造钢铁,下跌31 %至二百二十点○○○万吨后暂停Oaky溪1号矿井12 。
- 推荐网络例句
-
Do you know, i need you to come back
你知道吗,我需要你回来
-
Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.
1〕 杨银书,王祥生,李德昌。安徽省首次发现嗜群血蜱。
-
Chapter Three: Type classification of DE structure in Sino-Tibetan languages.
第三章汉藏语&的&字结构的类型划分。