• In America the issuance of leveraged loans is growing much faster than high-yield bonds, though the overall amounts are still smaller.

    美国发行杠杆贷款的速度已经高收益债券的多尽管总体数量依然比较小

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  • Add up the element scores to yield an overall product maturity score on a scale from 0 to 100.

    元素评分相加得出一个整体产品成熟度评分范围0100。

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  • If the bond was purchased at a premium (above par), then your overall yield to maturity will be lower than your stated coupon rate.

    如果债券溢价(高于票面价值)购买的,那么整体到期收益率低于票面利率

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  • The synthetic route for the 25% overall yield.

    合成路线收率25%。

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  • Results: Benorilate was synthesized with an overall yield of 95%.

    结果合成贝诺酯,总收率为95%。

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  • Overall yield achieves 96.12 %.

    甲酸己酯的收率达到96 12%。

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  • The overall yield reached 84.6%.

    三步反应总收率达到84.6%。

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  • Etiracetam was synthesized from 2-pyrrolidone by N-alkylation and aminolysis. The overall yield was 42.6%.

    吡咯烷酮经N烷基化氨解反应合成了乙拉西坦,收率42.6%。

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  • Results: We successfully improved the synthesis technology of zolmitriptan with an overall yield of 16%.

    结果改进佐米曲普坦合成工艺收率提高至16%。

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  • Methods Employing the stepwise glycosylation strategy, the target compounds were prepared via 10 steps of reactions using diosgenin as the starting material with an overall yield of 15%.

    方法薯蓣皂素起始原料,采用逐步糖苷化策略10反应目标化合物收率约为15%。

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  • Ethopabate is prepared via esterification, acylation and alkylation from p-aminosalicylic acid in87.4% overall yield.

    以对氨基水杨酸为原料,经酯化、化反应得乙氧苯酯,收率为87.4%。

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  • Levocetirizine Dihydrochloride was prepared from benzoyl chloride by acidylation, hydrogenation, cyclization with an overall yield of 8.05%.

    以苯甲酰氯为原料,酰化,还原,环合等反应合成左旋西替利嗪盐酸盐,反应收率为8.05%。

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  • Levocetirizine dihydrochloride was prepared from benzoyl chloride by acids lation hydrogenation cyclization with an overall yield of8.05%.

    以苯甲酰为原料,酰化,还原,环合等反应合成左旋西替利嗪盐酸盐,反应收率为8。05%。

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  • Control and implementation of daily production reports to improve overall yield;

    每日生产报告控制执行提高综合产出率

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  • According to analyzing and testing, the overall yield is up to above 75 percent by changing traditional foundry process about gear of steel casting. The benefit is obvious.

    分析试验改变了传统铸钢齿轮铸造工艺方法,平均工艺出品率达到75%以上,取得明显经济效益。

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  • The optimum conditions has been given and the overall yield of the three steps in rotation process is over 98%.

    给出工艺过程优化条件转旋过程三步收率大于98%。

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  • RESULTS the overall yield was 95.4%, the title compound was characterized by IR and elemental analysis.

    结果收率达95.4%,目标化合物的结构红外光谱元素分析确证。

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  • The production shows that there is no shrinkage, blowhole and inclusion in the casting, the overall yield of the casting is 95%.

    生产结果表明铸件缩孔气孔、夹缺陷,铸件工艺出品率95%。

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  • Levetiracetam was prepared from L-methionine via reduction-dethiomethylation, esterification, ammonolysis, amidation and intramolecular cyclocondensation reaction with 44.6% overall yield.

    蛋氨酸为原料还原脱硫甲基化、酯化氨解酰胺化分子内缩成环4步反应合成得到了左乙拉西坦,收率44.6%。

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  • The improved synthesis reduced the process steps, the overall yield was 51.6%. This synthetic route is suitable for industrial manufacture.

    工艺路线缩短了反应步骤收率达51.6%,适合工业化生产

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  • Moclobelide was synthesized from ethanolamine by nucleophilic substitution and Schotten-Baumann reaction, followed by condensation with an overall yield of 71.2%.

    乙醇胺为起始原料,亲核取代、肖特鲍曼反应缩合反应制得吗氯贝胺,收率可达71.2%。

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  • Clarithromycin was prepared from erythromycin a through oximation, protection, methylation and deprotection. The overall yield of clarithromycin was 40%.

    红霉素化、保护再经甲基化保护得到克拉霉素,收率达40 %以上。

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  • Result and conclusion The intermediate is obtained in an overall yield of 72.4% according to new process, and the operation is simplified.

    结果结论工艺简化操作、缩短了反应时间,总产率达到72·4%。

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  • Results The chemical structure of composite production was confirmed by element analysis, IR, MR and PNMR. The overall yield of 56%.

    结果合成产物化学结构元素分析红外、核磁共振质谱检测确证收率为56%。

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  • The soluble salt in water of Dimetridazole was synthesized with more than 95% overall yield by a simple and convenient method. This method was convenient to industrialize.

    本文报道简便易行方法合成水溶性二甲硝咪收率高达95%以上,具工业化应用价值。

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  • Fluticason propionate(1) in overall yield of 60.1% was synthesized from Flumethasone by oxidation, esterification, acylation, alcoholysis and fluoromethylation.

    以双氟美松为原料,氧化酯化化、醇解氟甲基化反应制得氟替卡松丙酸酯(1),收率60。

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  • The stavudine was prepared from 5-methyluridine via six steps in 34% overall yield, in which the key step is the selective acylation of 5-methyluridine by propionyl chloride.

    路线以5-甲基尿苷为起始原料,关键步骤5-甲基尿苷和丙选择性反应,反应收率为34%。

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  • Aripiprazole in overall yield of 68% was synthesized from 2, 3-dichloroaniline by a three-step nucleophilic substitution reaction in yield of 83%, 91% and 90%, respectively.

    2,3 -二氯苯胺为原料,3步取代反应合成阿立哌唑。3步反应的收率分别为83%,91%90%;收率68%。

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  • The 3,4,5 trimethoxybenzaldehyde is synthesized from p cresol in four steps of bromination, hydrolyzation, methoxylation, and methylation, with an overall yield of 53.

    甲酚原料经溴化、水解氧基化甲基化4反应合成药物中间体3,4,5-三甲氧基苯甲醛,收率达53。

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  • The 3,4,5 trimethoxybenzaldehyde is synthesized from p cresol in four steps of bromination, hydrolyzation, methoxylation, and methylation, with an overall yield of 53.

    甲酚原料经溴化、水解氧基化甲基化4反应合成药物中间体3,4,5-三甲氧基苯甲醛,收率达53。

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