反应物
- 与 反应物 相关的网络例句 [注:此内容来源于网络,仅供参考]
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The optimal conditions were found as follows: reaction temperature 90℃, reaction time 50 min, the molar ratio of catalyst to diethyl adipate 1.1:1, providing 99.5% yield.
结果表明,各试验因素的影响效能为反应温度(反应时间(催化剂用量;最佳合成条件为反应温度90℃,反应时间50 min,催化剂与原料的摩尔比为1.1:1,在此条件下,常压合成目标物的产率可以达到99.5%。
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In this paper,the synthesis of Talc/PMMA graft copolymer is studied,and the apparent kinetic test conducted by dilatometer. The effects of the initiator's concentration, the monemor's content, the talc's content and the reaction temperature on polymerization rates were investigated,and the apparent activation energy was determined.
文章主要研究了滑石粉/PMMA接枝物的合成和表观动力学测试,采用膨胀计法研究了接枝聚合反应表观动力学,探讨了引发剂浓度、单体用量、无机微粒滑石粉用量及反应温度等对反应速率的影响,并且测定了反应的表观活化能。
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And electrocarboxylation was carried out in the presence of CO2. The global yield and the ratio of mono- to dicarboxylic acids were strongly affected by various factors: electrode material, electrolysis potential, the substrate concentration and temperature.
而在CO2氛围下,可以实现相应的电羧化反应,反应的总产率和选择性受各个反应条件的影响,例如电极材料、电解电位、底物浓度和反应温度。
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Synthesis of target compounds namely: to vanillic acid as the starting material with methanol under reflux conditions for 4 - hydroxy -3 - p-methyl, then ether, and nitration, reduction, cyclization reaction 6 - methoxy -7 - benzyloxy-quinazoline -4 - one, and then by the chloride in place of aniline, benzyloxy-off, such as etherification reaction of the target compounds; target compounds with the second and third occurrence of substitution reactions of amines by the TM1, that is, 4 - amino-benzene -6 - methoxy -7 - [2 - hydroxy -3 -(N, N-diethyl amino) oxy c] quinazoline; with ether occurred Ornidazole reaction of TM2, namely, 4 - amino-benzene -6 - methoxy -7 - [2 - hydroxy -3 -(2 - methyl -5 - nitroimidazole) C oxy] quinazoline.
本论文以嘌呤类似物喹唑啉为母核,分别在其4位和7位引入结构多样的取代苯氨基和柔性侧链,设计了一系列4-取代苯胺基-6-甲氧基-7-(2-羟基取代丙氧基)喹唑啉类化合物。目标化合物的合成即:以香草酸为起始原料,与甲醇回流条件下得到4-羟基-3-甲氧基苯甲酸甲酯,然后经过醚化、硝化、还原、环合反应得到6-甲氧基-7-苄氧基喹唑啉-4-酮,然后再经氯化、取代苯胺、脱苄氧基、醚化等反应得到目标化合物;目标化合物与二乙胺发生胺取代反应得到了TM1,即4-苯氨基-6-甲氧基-7-[2-羟基-3-丙氧基]喹唑啉;通过与奥硝唑发生醚化反应得到TM2,即4-苯氨基-6-甲氧基-7-[2-羟基-3-(2-甲基-5-硝基咪唑)丙氧基]喹唑啉。
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Secondly,the synthesis of SIPE and the reaction conditions such as catalyst,anti-ether agent,temperature and water are researched to control the generation of diethylene glycol and the self-polymerization of SIPM by controlling the total quantum of distillate and the temperature of distillation column and reaction and the reliable synthetic conditions of SIPE are obtained.
其次,在此基础上,研究了三单体的中间体SIPE的合成工艺,研究了催化剂、抑醚剂、反应温度及水分等对合成反应的影响,同时提出了控制馏出物总量、控制分馏柱温度和控制反应温度等措施来控制二甘醇生成反应和SIPM自聚等副反应,得到了可靠的SIPE合成工艺。
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The yield was 84%. With OP-10, NPE as the the catalyzer for the diazo reaction, the use of hydrolyzed propenenitrile instead of propenoic acid, and OP-10 as the catalyzers of the aminate reaction, these experiments showed the feasibility of industralization, due to the much reduced costs, shortened reaction time and a higher yield.
采用壬基酚聚氧乙烯醚(OP-10)、萘磺酸甲醛缩合物作重氮化反应催化剂,丙烯腈加成、水解替代丙烯酸,OP-10做氨化反应催化剂,通过四因子三水平正交试验法实验,得到较佳反应参数,反应时间、收率、成本都大大降低,适宜工业化生产。
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As an artificial enzyme, it can be optimized by changing the diphenylmethane units or bridging chains or by chemical modification of hydrophobic cavities to form new host compounds. Different host compounds can recognize different guest compounds to become an supramolecular system.
不同的主体化合物能俘获不同种类的客体分子,与客体形成超分子体系,对不同反应底物进行络合和催化,达到有选择性地控制反应,提高反应速率,模拟酶促反应和分子识别的目的。
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A New type of benzoxzine precursors was systhesized based on methoxy methylene diphenyl ether oligomer.The struture of product was characterized by IR and H-NMR analysis and effects of solvent polarity,temperature on the precursor composition were investigated.
以甲氧基次甲基二苯醚低聚物为基础合成了苯并口恶嗪预聚物,用H-NMR、IR表征了该预聚物的结构,讨论了反应温度、溶剂的极性等因素对合成预聚物的结构和组成的影响。
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A method of dyeing a polyamide fiber structure characterized by using a polyamide fiber structure which has structural differences along the fiber length direction and dyeing the structure with an anionic reactive dye in a dye bath having a pH of 3 to 8; and a dyed polyamide fiber structure obtained by the above method.
本发明的聚酰胺类纤维构成物的染色方法,是以用纤维纵向上有结构差别的聚酰胺类纤维构成物,经将pH调至3~8的含阴离子性反应性染料的染液染色为特征的,本发明的染色物是由该染色方法制得的聚酰胺类纤维的染色物。
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EXCLUSIONS 4 In no case shall this insurance cover 4.1 loss damage or expense attributable to wilful misconduct of the Assured 4.2 ordinary leakage, ordinary loss in weight or volume, or ordinary wear and tear of the subject-matter insured 4.3 loss damage or expense caused by insufficiency or unsuitability of packing or preparation of the subject-matter insured (for the purpose of this clause 4.3 "packing" shall be deemed to include stowage in a container or liftvan but only when such stowage is carried out prior to attachment of this insurance or by the Assured or their servants) 4.4 loss damage or expense caused by inherent vice or nature of the subject-matter insured 4.5 loss damage or expense proximately caused by delay, even though the delay be caused by a risk insured against (except expenses payable under Clause 2 above) 4.6 loss damage or expense arising from insolvency or financial default of the owners managers charterers or operators of the vessel 4.7 deliberate damage to or deliberate destruction of the subject-matter insured or any part thereof by the wrongful act of any person or persons 4.8 loss damage or expense arising from the use of any weapon of war employing atomic or nuclear fission and/or fusion or other like reaction or radioactive force or matter.
EXCLUSIONS 4在任何情况下都不得这个保险 4.1损失损害或费用的原因故意的不当行为的保证 4.2普通渗漏,普通的损失重量或体积,或普通磨损的标的物投保 4.3损坏或丢失所造成的费用不足或不适合的包装或准备受保标的物(目的是这一条款4.3 &包装&应视为包括存放在容器或liftvan但只有当这些堆放进行之前扣押保险或担保或其雇员) 4.4损坏或丢失所造成的牺牲固有的副总裁或性质的标的物投保 4.5损坏或损失近牺牲所造成的延误,即使是延迟所造成的风险保险(除费用缴付根据第2段) 4.6损失损害或费用所产生的破产或财务预设的业主管理人员承租人或经营者的船只 4.7故意损坏或蓄意破坏受保标的物或其任何部分的不法行为,任何人 4.8损失损害或费用的使用中出现的任何战争武器的使用原子或核裂变和/或融合或其他类似反应或放射性武力或事项。
- 推荐网络例句
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Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".
歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车,和一双合并为一移交&整个lotta爱&。
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This is Kate, and that's Erin.
这是凯特,那个是爱朗。
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Articulate the aims, objectives and key aspects of a strategic business plan.
明确的宗旨,目标和重点战略业务计划。