查询词典 yield

We gained the ethynylferrocene in high yield by the the reaction of triphenylphosphine with chloroform or bromoform in the presence of KOBu~t to give witting reagent, which reacted with formylferrocene and then followed by n-butyllithium dehydrohalogenation.

在本论文的第二部分，我们用三苯基磷与溴仿或氯仿在叔丁醇钾作用下，制得三苯基磷甲叉烯，然后与二茂铁甲醛反应，得到二氯取代烯烃，在正丁基锂作用下得到二茂铁乙炔。

Broomcorn millet playsan important part in grain production. Because of its high yield it caneven help to tide over faminein years of crop failure.

对糜子比较耐旱的特性进行了生物学方面分析，物候学方面的分析及地理分布方面的分析，说明糜子在宁南山区仍有较大的增产潜力。

Through biological, phenological, geographical and distributionalanalyses of drought resistance and tolerance of broomcorn millet, it canbe seen that this crop has a good yield potentialin south Ningxia. Inthe last part of the paper the author ...

最后对提高糜子生产提出如下几点建议： 1、加强对糜子的科研工作，特别要注意高产栽培的研究； 2、在品种普查基础上，对宁南山区的糜子品种资源进行一次收集整理工作； 3、种子部门应繁殖经营糜子品种，特别要留足小日月救灾品种； 4、大力推广固原县鸦儿沟生产队糜子高产经验； 5、用少量尿素作种肥，增产显著，可普遍采用。

Through biological, phenological, geographical and distributionalanalyses of drought resistance and tolerance of broomcorn millet, it canbe seen that this crop has a good yield potentialin south Ningxia. Inthe last part of the paper the author has pu...

最后对提高糜子生产提出如下几点建议： 1、加强对糜子的科研工作，特别要注意高产栽培的研究； 2、在品种普查基础上，对宁南山区的糜子品种资源进行一次收集整理工作； 3、种子部门应繁殖经营糜子品种，特别要留足小日月救灾品种； 4、大力推广固原县鸦儿沟生产队糜子高产经验； 5、用少量尿素作种肥，增产显著，可普遍采用。

Golden-Autumn Pear is a plant variation from the bud of Xingao pear and has the excellent properties of large fruit, beautiful appearance, high quality, high yield, short maturity, long storage term, ready transportation, broad adaptability and strong anti-adversity.

金秋梨是新高梨的芽变株，它具有果实大、外观美、品质优、早果丰产、耐贮藏、方便运输、适应性广、抗逆性较强等优良性状。

The real estate business should really be looking at rental yield; build a building and then lease it out with the rent giving a decent return.

房地产业务应该是看房租收益率，造个房子，然后出租拿房租后能有足够的回报。

To install in coal bunker reciprocating next, in underground mines in the production of coal, setting a certain capacity to ensure away with high yield, high peak pinggu is very necessary.

往复式给煤机安装在煤仓下口处，在煤矿井下生产中，设置一定容量的煤仓对于保证消峰平谷和高产、高效是十分必要的。

Reciprocating to the installation of the coal bunker under mouth, in mine production, setting of a certain capacity of the coal bunker for ensuring consumer-Pinggu and high-yield, high-efficiency is very necessary.

往复式给煤机安装在煤仓下口处，在煤矿井下生产中，设置一定容量的煤仓对于保证消峰平谷和高产、高效是十分必要的。

Potassium and magnesium nutrition effect on yield and chemical composition of burley tobacco leaves and smoke.

不同供钾水平下烤烟体内钾的循环、累积和分配。

As, however, you tell me that amid many good things there are others to which our weak human understanding cannot attain, it seems to me rather useless to busy oneself in reading an unintelligible book, since for that very reason it cannot yield any profit.

其实，您对我说，在这本书的一些可取的内容之间还夹有一些我们普通人的贫乏的智慧不能弄懂的内容，所以我觉得，谈奥妙难懂的东西是多余的，不会给人们带来半点裨益。

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。