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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O methoxy phenyl lithium reacts with 6,6 dimethyl fulvene to give ligand lithium (Cp ′Li,Cp ′ represents cyclopentadienyl with substituents).
邻甲氧基苯基锂和 6,6-二甲基富烯(或 6,6-二乙基富烯)反应得配体锂盐,Cp′ Li直接和 Cp Zr Cl3· DME反应生成 2个新的锆络合物 Cp′ Cp Zr Cl2 。
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The kinetics of the enzyme reaction , which converts fumaric acid into L--aspartic acid, has been studied.
进行了由富马酸转氨生成L-天冬氨酸的酶反应动力学的初步研究,考察了酶活性的稳定性、底物浓度和酶浓度对酶反应速率的影响。
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In 0.015 mol/L NaOH medium, AuCl4(superscript -)reacted with hexadecyl trimethyl ammonium bromide, forming water soluble CTMAB-AuCl4 complex that exhibited a weak absorption peak at 400 nm. In the presence of hydrazine, the reaction produced orange-red nanogold particle and exhibited a surface plasma resonance absorption peak at 520 nm.
在0.015mol/LNaOH介质中,氯金酸根离子AuCl(上标-下标 4与阳离子表面活性剂十六烷基三甲基溴化铵反应生成水溶性的CTMAB-AuCl4缔合物,在400nm处产生一个很弱的吸收峰,当有肼存在时,反应生成橙红色的金纳米粒子,在520nm处出现一个表面等离子体共振吸收峰,从而可实现废水中微量肼的分光光度测定。
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Ugi-4CC(four-component condensation) reaction is one of isonitrile-based MCR's(multi-component reactions), which is started with an amine, an aldehyde, a carboxylic acid and an isocyanide, after one-potreaction to produce a compound composed of the whole four starting materials.
Ugi-4CC四组份缩合反应是基于异腈的MCR's之中一类,它以异腈、羧酸、醛、胺为原料,可经一罐反应缩合生成由四种起始物共同组成的产物。
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Dodecamethlyene diammonium terephthalate(PA12T salt) and dodecamethlyene diammonium isophthalate(PA12I salt) can be prepared by using terephthalic acid or isophthalic acid with dodecamethylene diamines in ethanol solution, respectively.
通过 对PA 1 ZT、PA12I及其共聚物的聚合反应的研究发现,随着PA121组分的增加,相同反应条件下,产物的粘数呈增大趋势,熔点逐步降低,透明性逐渐增大,韧性增强。4。
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The molecular weight of dextransucrase measured by SDS-PAGE was 170 kDa ,which was similar to the enzyme from Leuconostoc mesenteroides. The enzyme had an optimum temperature between 25and 30℃ and an optimum pH of 5.4. It was relatively stable in the range of pH 5.0 to 7.0, but the stability declined rapidly as soon as the temperature rose over 35℃.
以蔗糖为底物,酶促反应的最适温度为25~30℃,最适pH值为5.4,动力学常数Km值为10.43 mmol/L;酶活在pH 5.0~8.0较为稳定,在室温(25℃)保藏4 天仍有59%的酶活力,4℃保存7周酶活力仅下降一半,但在35℃以上失活很快;Ca2+对催化作用有较大的促进,Mg2+有微弱的促进作用,K+对催化反应无影响,Cu2+的抑制作用最强。
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Chemical randomized interesterification of lard catalyzed by sodium methoxide and the effect of reaction temperature, time and catalyst dosage on the interesterification degree were investigated in this paper.
以猪油为反应底物,试验了以甲醇钠为催化剂的化学随机酯交换及其反应温度、时间、催化剂浓度对酯交换程度的影响。
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The resulting organometallics can react with many organic electrophiles,which can tolerate many functional groups. We have synthesized a class of organozinc species and apply them in ring opening of epoxides, affording cis-addition products.
但也因为反应活性低,常常需要在Lewis酸的存在下,或将有机锌试剂用过渡金属络合物转换为相应的有机过渡金属试剂后才可以与多种亲电试剂反应。
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Methods K-ras gene point mutation and its style at codon 12 of Patu 8988 cell were detected by using PCR-SSP and sequence analysis.
方法顺序特异引物聚合酶链反应法和基因测序检测Patu8988细胞K-ras点突变形式,根据点突变形式设计并合成硫代反义寡核苷酸(K-ras mutation ASODN)作用Patu 8988,通过噻唑蓝比色法检测细胞生长情况;流式细胞术检测K-ras蛋白表达和细胞凋亡;逆转录-聚合酶链反应检测K-ras mRNA表达水平;以Patu8988细胞建立裸鼠胰腺癌模型观察K-ras mutation ASODN在体内的抗肿瘤效果。
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The reaction was run in aqueous diethyl ether at 30℃ for 24h under the catalysis of bakers' yeast, which preincubated for 2h in the presence of phenacyl chloride.
实验结果表明,乙醚为适宜反应介质,适宜pH为中性;反应初始水含量和初始底物浓度分别以w(H2O)=30g/L、c=5 mmol/L为佳。
- 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。