查询词典 yield

We prepared the pyrethric acid II through four reactions: esterification, oxidation, decomposition, diesterification. And the original synthesis route of the pyrethric acidII was improved: the yield of oxidation of allyl rise through increasing the activity of Selenium dioxide; in the document, tert-butyl-trans -2, 2-dimethy1-3-(2"-methoxycarbony1-1"-propenyl)cyclopropanecarboxy late was synthesized from tert-butyl-trans-2,2-dimethyl-3-(2 -formyl-r -propenyl) cyclopropanecarboxylate with two steps, with low yield.

我们经过酯化，氧化，成双酯，热分解四步反应，成功地得到了第二菊酸，并改进了原第二菊酸的合成路线：通过改变二氧化硒的活性提高了烯丙甲基的氧化产率；将原路线中醛氧化成羧酸、羧酸酯化的两步反应改为醛和甲醇、二氧化锰等作用一步直接酯化的方法，减少了反应步骤，提高了总收率。

Results The corrected yield was about 65% and radiochemical purity was over 99%.The rudimental water in reaction system affect the yield of 18F-FDG.

结果 Explora FDG4合成效率65%，18F-FDG放化纯度99% 18F-FDG其他指标符合药典质量要求，反应体系中残留的水等影响合成效率。

The results showed that,the relationship between the relative biomass or grain yield and the soil moisture,or the relationship between the relative biomass or grain yield and the water consumption in the simulation experiment under rainproof shelter in field ;and the re...

结果表明，无论是模拟土柱试验中，相对生物量、相对经济产量与土壤水分保证率之间的关系，或者相对生物产量、相对经济产量与相对耗水量之间的关系；还是大田小区试验中，玉米产量与耗水量之间的关系，或相对产量与相对耗水量之间的关系，它们都遵循如下抛物线变化规律：y＝ax2＋bx＋c，a、b、c为待定常数。

In the test with randomized block arrangement, 31 female varieties of G. biloba and 4 male types of single plant clone were used to study the leaf yield traits and its relativity with leaf yield, leaf flavone and lactone contents.

方法］采用31个银杏雌性品种和4个雄株类型的单株无性系，随机区组排列，研究叶产量性状及其与叶产量的相关性，叶黄酮、内酯含量。

The results showed that the main rice yield on nitrogen applied, planting density, reciprocity nitrogen applied and planting density was best remarkable and the ratoon rice yield was not remarkable.

结果表明：头季施氮量、栽培密度、施氮量与栽培密度互作对头季稻产量差异极显著，但对再生季产量差异不显著。

The yield and sugar of 14 varieties from 5 sites of the Yunnan regional trials in 2004-2006 (2 years of planting and 1 year of ratoon crops) were analyzed using additive main effects multiplicative interaction model and its biplot, stability of varieties parameters represented by D(subscript i, mean yield and sugar and their D values.

利用AMMI模型及双标图、D以及相应表现型值与D值的聚类分析，对2005-2006年14个甘蔗品种云南5个试点的2年新植1年宿根甘煎品种区域化试验蔗茎产量和蔗糖分进行基因环境互作研究分析。

Results from two crops of plant cane and one crop of ratoon cane on five locations showed that YT96-86 was 16.95% and 6.23% higher in cane yield, and 18.73% and 5.33% higher in sugar yield than ROC10 (CK1) and ROC22 (CK2) respectively.

2004～2005年在广东蔗区对5个甘蔗新品种进行区域化试验。5个试验点2年新植1年宿根的试验结果表明，粤糖96-86分别比ROC10和ROC22增产16.95%和6.23%，增糖18.73%和5.33%；粤糖95-168分别比ROC10和ROC22增产19.93%和8.93%，增糖17.10%和3.88%。

In main rice it used 150kg N per hm2and Planting density 225000 ~300000 hills per hm2 as 195~240kg N per hm2 and planting density 150000 ~300000 hills per hm2,It was work in that other supplemental culture measures of high yield, The two season high yield was cropped on ratoon rice cultivar.

头季每公顷施纯N 150kg与栽培密度22.5~30万丛搭配和每公顷施纯N 195~240kg与栽培密度15~30万丛搭配，配套其他高产栽培措施，再生栽培能获得两季高产。

YaJin-2: 155-day growth period in Beijing ,4 to 5 meters high, tight ear, ear length of 28cm, weight of 21g and grain weight of more than 60g; Brix between 18% and 23%, stem juice rate of 67%, per-mu grain yield of 350kg and per-mu stalk yield of 5000kg; Resistant to insect and pets, anti-anthrax, mildew and red stalk rot.

雅津2号甜高粱，北京生育期155天左右，植高4~5米，中紧穗，穗长28厘米，千粒重21克。穗粒重60克以上。汁液锤度18－23%，茎秆出汁率67％，平均亩产籽粒350kg 。亩产茎秆5000kg 左右。对病害有较好的抗性，抗炭疽病、霜霉病和秆红腐病。

The principles of remote sensing in earth scinences were used in the investigation of resources and environment of the region to analyze hydrologic elements, regionalize hydrologic environment types, calculate water-yield; study the ratio relationship among agriclutural landuse, non-agriclutural landuse and total area, point out the regional difference of landuse type;res-earch the qualitative and quantitative perfects of low-yield area environment; cornprensively investigate forest resources, including ecologic environment of the suitable-forest area, site and ecologic and economic perfects of suitable-forest tree; find out the travel circle surrounding Beijing and function regionalization, storage mechanism of mineral resources and crustal stability, evolution of natural environment in last ten thounsand years and the relationship between them and land harnessing, planning and city and town construction.

本区资源与环境的遥感调查应用，主要是运用遥感地学原理，分析水文下垫面要素，划分水文环境类型，计算其产水量；分析非农业用地与总土地及其它用地的比例关系，探索土地利用类型结构的地域差异规律；农业低产地环境及其数量、质量特征的研究；综合调查森林资源，包括宜林地的生态环境、立地条件及宜林树种的生态与经济特性；以及以北京为中心的京津唐旅游圈及功能分区，矿产资源的赋存机制，区域地壳稳定性及区内近一万年来的自然环境的演化规律及其与国土整治、规划和城镇建设的关系等进行了多元综合研究。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。