高产

Therefore in order to achieve high-yielding alfalfa, we must do a good job of prevention and control weeds.

因此要实现苜蓿的高产，必须做好杂草的防治工作。

Tobacco alimentation and fertilizing research are developed very fast during those 10 years in china.

近10年中国烟草营养与施肥研究有较快发展，施肥以优质、高产、高效、生态、安全为目标，全面进入生产与生态并重的施肥阶段。

Synthesis of Arylenealkyne Conjugated Macrocycles Containing Long Alkylene Bridge;2. Rigid,planar structures have been modified through incorporation of new additional groups to generate sharp-persistent imine macrocycles in very high yields.

我们设计并合成了一类氢键诱导下构象受限的芳酰胺寡聚体，以此模块作为前体，利用动态共价键的方法，高产率(80%-89%)地合成了一系列新的亚胺大环。

Sodium allylate was prepared from solid sodium hydroxide and allyl alcohol under mild conditions, and then the solid sodium allylate was reacted with epichlorohydrin in anhydrous system to produce allyl glycidyl ether in high yield and purity.

以固体NaOH和烯丙醇为原料在温和条件下制得烯丙醇钠，再以固体烯丙醇钠为原料，与环氧氯丙烷在无水条件下高产率地得到高纯度的烯丙基缩水甘油醚。

Seed industry of large turn, it is big trend to grow industry develop that almightiness turn; The farm crop seed industry turns and can make section taught to grow , the seed produe, sprocess and promote to expand the section the close uniting with the agriculture, becoming the technology lead first the type seed industry group, uniting the developmend meet the next the new species that modern agriculture need when producing , new technique new product of market mechanism term establishing to rise to face to the domestic and international market teach , heavy, push, the integral whole of turns of carry camp mechanism, end guarantee to teach to grow the section can stabilize a ground of growing the high producing, superior quality, many antis of new species, good and new species in distribution in section in seed.

种业的大型化、全能化是国际种业发展的大趋势；农作物种子产业化可以使科研育种、种子生产、加工、经销和农业推广部门紧密联合成科技先导型种子产业集团，联合开发符合市场机制条件下现代农业生产所需要的新品种、新技术、新产品，建立起面向国内外市场的育、繁、推、销一体化的运营机制，最终保证育种科研能稳定地培育出高产、优质、多抗的新品种，种子部门经销优良的新品种。

This study for the breeding of high-yielding strains of amylase and provide a theoretical basis for

本研究为选育高产淀粉酶菌株提供理论依据

Polyethylene glycol dimethacrylate, one of the fine chemical intermediates is the main ingredient of anaerobe. With the development of adhesives, the domestic production of polyethylene dimethacrylate has been challenged from many aspects, therefore, to improve the production technics and yields has been the key problem to resolve at present.

缩乙二醇双甲基丙烯酸酯——精细化学品中间体之一，作为胶粘剂中厌氧胶的主剂，在胶粘剂日益发展的今天，国内的缩乙二醇双甲基丙烯酸酯生产受到了很多方面的挑战，因此，改进生产工艺，提高产率是目前缩乙二醇双甲基丙烯酸酯生产首要解决的问题。

The effect of azotobacter fertilizer on living activity, soil fertility, yield, total nutrient and crop quantity is studied at the different level of using nitrogen .in the calciform soil by the rape potted plant biology analogue experiment, in order that the best scope of valid applying azotobacter fertilizer is determined. It can offer theoretic basis for searching ways of biology controlling to high yields and qualities, optimization directions for products of special compound fertilizer and valid using.

本文通过油菜盆栽生物模拟试验，研究了在不同施氮水平下，石灰性土壤上固氮菌肥料对土壤微生物活性，养分以及油菜的生物产量、全量养分和品质的影响，旨在确定固氮菌肥料有效应用的最佳土壤氮素范围，为探求油菜作物高产优质的生物调控途径及专性生物复合肥的优化配比提供理论依据。

The yield, quality, resistance and chromosome characteristics of the hybrids were analyzed, and the improvement of the grasses using gene introgression, androgenesis and genetic modification methods was introduced. The latest advance in GISH, genetic map construction and QTL of Festulolium hybrids were described here.

本文总结了黑麦草羊茅杂种高产、优质、抗性强的优势；分析了杂种染色体配型特点；重点介绍了通过基因渗入、雄核发育和转基因手段改良牧草的方法；对黑麦草羊茅杂种基因组原位杂交、分子标记和遗传图谱建立、数量性状位点分析等分子遗传学的最新研究进展进行了综述。

Avermectins is one of highly potent anthelmintic and insecticidal agents discovered so far. The key to enhance avermectins production lies in screening of high-producing mutant and optimizing of culture conditions.

作为目前发现是为有效的杀虫剂之一的阿维菌素，其生产水平的提高关键在于阿维菌素高产突变株的获得以及发酵工艺的优化。

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。