经研究结果比较显示，该方法与上述方法相比会产生更小的总费用。
The result of the comparative study shows that the new method can yield a lower total cost than the above methods.
经模拟选优，确定了不同目标产量下的最佳施肥方案。
The best application fertilizer scheme were established according from different yield target after simulated select.
结果总收率达95.4%，目标化合物的结构经红外光谱和元素分析确证。
RESULTS the overall yield was 95.4%, the title compound was characterized by IR and elemental analysis.
经统计检验，越南、泰国通过生长曲线方法处理的趋势产量和气象产量，回归效果较好。
The result of the tendency yield and meteorological yield estimated through growth curve method of Vietnam and Thailand are preferable by statistical testing.
以乙醇胺为起始原料，经亲核取代、肖特一鲍曼反应和缩合反应制得吗氯贝胺，总收率可达71.2%。
Moclobelide was synthesized from ethanolamine by nucleophilic substitution and Schotten-Baumann reaction, followed by condensation with an overall yield of 71.2%.
对溶剂、温度做了改进，产率大大提高。 产物经核磁、质谱、红外鉴定。
The yield has been rapidly improved by the improvement in the solvents and the temperature.
经抗病鉴定、系统选育和细胞学分析，选育出高产、抗白粉病的小麦新品种和农艺性状较好、抗白粉病的小麦新种质。
Through disease resistant identification, systematic selection and cell analysis, high yield varieties and new germplasm with good agronomic characters resistant to powdery mildes have been selected.
探索抗胆碱药盐酸环喷托酯的合成工艺。该工艺以苯乙酸钠为原料，经两步化学反应得到目标产品，总产率约50%。
A process for the preparation of anticholinergic drug Cyclopentolate Hydrochloride by two-step sequence starting from sodium Phenylacetate in about 50% total - yield was reported.
某油田一天然气井的产量突然下降，经检查发现该井采气装置中的节流阀柱塞套断裂为三截，形成了两对断口。
The yield of a natural gas well in an oilfield dropped suddenly, which was due to the piston sheath of the choke valve breaking into three parts with two pairs of fractures after inspection.
纯化后的产物经高效液相色谱分析，二苯乙烯苷含量达到70.34%，得率为64.13%。
The product concentration was 70.34% determined by HPLC, and the yield of the Stilbene Glucoside was 64.13%.
经乙酰化，膦化反应后的共聚体可以与二正丁胺作用制得膦酰胺树脂。
The copolymer after acetylation and phosphonylation can react with dibutyl amine to yield the corresponding dibutylamidophosphate resin.
三聚氰胺、尿素与甲醛经羟甲基化、醚化反应，生成甲醚化六羟甲基三聚氰胺和甲醚化羟甲基脲复合树脂胶。
Melamine, urea and formaldehyde underwent hydroxymethylation and etherification to yield a composed resin glue of methyl-etherified hexahydroxy methylmelamine and methyl-etherified hydroxymethylurea.
红霉素碱经肟化、保护再经甲基化、脱保护得到克拉霉素，总收率达40 %以上。
Clarithromycin was prepared from erythromycin a through oximation, protection, methylation and deprotection. The overall yield of clarithromycin was 40%.
经分析和试验，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，取得明显的经济效益。
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.
在国内20座焦炉热工测试原始数据的基础上，经整理、归纳、分析，并采用二种方法，即线性回归法和程序回归分析法，首次获得了适合我国煤源的成焦率测算图。
The reckoning diagram of coke yield for domestic coal resource is obtained on basis of first-hand date of thermal test and analysis fo r20 coke ovens by almost ten years' work.
经6次传代培养后，其生物量和菌丝多糖产量较稳定，且明显超过原始菌株，表明其遗传稳定性良好。
After continuous cultivation for 6 generations, the biology yield and the polysaccharide yield were steady and obviously exceeded the original strain. It showed a good genetic stability.
方法以薯蓣皂素为起始原料，采用逐步糖苷化策略，经10步反应制得目标化合物，总收率约为15%。
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%.
以苯甲酰氯为原料，经酰化，还原，环合等反应合成左旋西替利嗪盐酸盐，反应总收率为8.05%。
Levocetirizine Dihydrochloride was prepared from benzoyl chloride by acidylation, hydrogenation, cyclization with an overall yield of 8.05%.
米糠经预处理后，用超临界CO2萃取米糠油，使所得油脂中的酸价降低，得率提高。
Extraction of oil form pretreated rice bran by supercritical CO2 will decrease its acid value and increase its yield.
结果表明，羊毛经催化氯化处理后，其手感、细度和强力等性能接近羊绒；染色性能得到改善，得色量高于羊毛和羊绒纤维。
As a result, the handle, fineness and strength of wool was similar to those of cashmere, and the color yield was higher than that of wool and cashmere.
以对羟基苯乙酰胺为原料，经烷基化、水解、酯化、氧肟化等4步反应合成丁苯羟酸，总收率为46．5％。
With pHydroxybenzeneactamide as the starting material, the Bufemaxac was prepared by means of four steps reaction of alkylation, hydrolyzing, esterification and Ooximation with total yield of 46.5%.
以苯甲酰氯为原料，经酰化，还原，环合等反应合成左旋西替利嗪盐酸盐，反应总收率为8。05%。
Levocetirizine dihydrochloride was prepared from benzoyl chloride by acids lation hydrogenation cyclization with an overall yield of8.05%.
采用N-乙基苯胺为原料，经羟乙基化、氯乙基化、季铵化合成本产品，此工艺步骤短，收率高，得到70％以上水溶液产品。
Title compound was synthesized from N-ethylaniline by hydroxyethylation, chloroethylation and quarternarization with short procedure and high yield, 70% aqueous solution was obtained.
吡咯烷酮经N烷基化、氨解反应合成了乙拉西坦，总收率42.6%。
Etiracetam was synthesized from 2-pyrrolidone by N-alkylation and aminolysis. The overall yield was 42.6%.
以对氨基水杨酸为原料，经酯化、酰化和烃化反应得乙氧苯酯，总收率为87.4%。
Ethopabate is prepared via esterification, acylation and alkylation from p-aminosalicylic acid in87.4% overall yield.
以麦角甾醇为原料，经七步合成24-表油菜素内酯，前两步反应不需进一步提纯，提高了收率、具有工业化价值。
Synthesis of 24-epibrassinolide in seven steps from ergosterol, and methods ahead of two steps which used without further purification which there is high yield and asset of industrialization.
反萃液经酸沉回收钼，产品钼酸铵质量较好。
It was characterized to yield high quality ammonium molybdate.
对M_4家系方差分析与测产表明，经辐射引变后，能选择到比对照群体更理想的品系。
The results of variance analysis and measured yield in M4 show that we can choose better lines in irradiated progenies than the check.
对M_4家系方差分析与测产表明，经辐射引变后，能选择到比对照群体更理想的品系。
The results of variance analysis and measured yield in M4 show that we can choose better lines in irradiated progenies than the check.
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