乙酯
- 与 乙酯 相关的网络例句 [注:此内容来源于网络,仅供参考]
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Guagzhou Chenliji Pharmaceuticel Factry,Guangzhou,Guangdong 510180)Abstract To establish a method for the identification of storax and the determination of cassia acid in storax by HPLC. Methods: TLC and HPLC were applied.
HPLC在适当的条件下,采用色谱峰检出法,TLC采用硅胶GF254薄层板,ψ(石油醚∶正己烷∶甲酸乙酯∶甲酸)=10∶30∶15∶1为展开剂,荧光及硫酸乙醇喷雾两次检出;定量采用ODS C18色谱柱(4.6 mm×150 mm×5μm),流动相:ψ=58∶42∶0.3,检测波长271 nm,流速:1 mL/min。
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The optimum concerntration of EMS was studied for mutagenesis of salt tolerance under another callus and leaf of strawberry in vitro culture.
河北农业大学;河北省林业局;摘要:以全明星草莓花药诱导的愈伤组织以及组培苗叶片为试验材料,用化学诱变剂甲基磺酸乙酯进行诱变处理。
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An experiment was conducted to study the antifeeding effects of ethanol, ethyl acetate and water solutions of linoleic acid, pimelic acid, suberic acid, azelaic acid, and n-nonanoic acid against imago of Pissodes punctatus. Absolute antifeeding rate and relative antifeeding rate were used to appraise the antifeeding effects of organic acids.
为了寻找华山松木蠹象(Pissodes punctatus Langor et Zhang)环境友好的防治方法,研究了亚油酸、庚二酸、辛二酸、壬二酸、壬酸的酒精溶液、乙酸乙酯溶液和水溶液对华山松木蠹象成虫的拒食作用,采用了完全拒食虫率与相对拒食率来评价有机酸的拒食效果。
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Monoethyl succinate is an important organic intermediate and its derivatives can be applied in many fields.
丁二酸单乙酯是一种重要的有机中间体,它的衍生物应用广泛但研究报道尚不多见。
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F neurons were observed in pigeon optic tectum slices using in vitro technique. Effect of glutamate and its antagonist glutamatic diethylester applied perfusedly and microiontophoretically on the discharge were analysed.
f亚层神经元的自发放电特征,以及灌流和微电泳给予谷氨酸(glutamate, Glu)及其受体拮抗剂谷氨酸二乙酯(glutamate diethylester, GDEE)对自发电活动的影响。
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The effect of catalysts on TEOS hydrolysis-condensation mechanism.
催化剂对正硅酸乙酯水解-聚合机理的影响。
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In addition, Si-O network was formed on the surface of fillers after hydrolization of TEOS.
正硅酸乙酯水解后在填料表面形成了Si-O网络。
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In this study, SiO〓 particles with nanometer sizes were synthesized by solgel processes with TEOS as precursor.
本工作以正硅酸乙酯为前驱体,用sol-gel方法制备了纳米级SiO〓微颗粒,研究了不同sol-gel条件对SiO〓凝胶颗粒形成特性的影响和机制。
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It has demonstrated that the template method could remarkably control the size of porous carbons by simply controlling the hydrolysis of TEOS.
表明通过控制正硅酸乙酯的水解条件能制备孔径集中的中孔炭材料。
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Element analysis shows that Si exists on the surface of hybrid membrane when TEOS content is not too low. The effects of TEOS content on the performance of hybrid membranes were investigated.
实验初步考察了正硅酸乙酯的添加量对聚偏氟乙烯-硅杂化膜的超滤性能和力学性能的影响,对杂化膜进行了能谱分析。
- 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。