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The utilization of heterosis and study on mechanism of heterosis are hotpoints in ricegenetics and breeding.

杂种优势利用和杂种优势机理研究是当前水稻生产和理论研究的热点。

In order to expand the utilization fields of wood and decrease the costs of carbon fiber,carbon fiber precursor from liquefied wood was prepared by soaking liquefied wood in the solution of hydrochloric acid and formaldehyde,after melt-spinning by adding hexamethylenetetramine.

为了扩大木材的应用领域和降低碳纤维的成本，以木材液化物为原料，加入六次甲基四胺熔融纺丝，经甲醛和盐酸溶液固化处理后获得木材液化物碳纤维原丝，利用IR、XRD、拉曼光谱分析仪等初步揭示了木材液化物碳纤维原丝在炭化过程中微结构的变化。

In this dissertation, key technologies in ethanol production from lignocellulosic biomass including pretreatment, enzymatic hydrolysis of cellulose and hemicellulose, ethanol fermentation from hexose and pentose, and comprehensive utilization of lignocellulosic feedstock were investigated.

本文对木质纤维原料的预处理、纤维素和半纤维素的水解糖化、利用己糖、戊糖发酵乙醇、以及木质纤维原料的综合利用等关键技术进行了系统研究。

In term of various paper demands and comprehensive utilization of hickory, hickory could be used as paper making raw material.

如果考虑到不同的纸种要求及山核桃的综合利用，山核桃不失为一种很好的原料。

The study was to analyze the fatty acid composition of Hickory nut oil, and provide the theoretical basis for its developing and utilization.

［目的］分析山核桃仁油的脂肪酸组成，为其开发利用提供理论依据。

The hierarchical routing strategy raised the utilization rate of radio channel and compromised with network overhead traffic.

这种网络组织结构提高了信道利用率，在网络的控制业务量和节点路由选择之间作了一个合理的折衷。

High capacity utilization is nothing more than a market signal suggesting more is needed.

而高产能的利用无非是一个市场信号，用来表明更多的产能是必须的。

Although 3GPP study mainly concentrated in the new, higher bandwidth utilization of wireless access methods, it is also being used to provide high-bandwidth new operational requirements of the network structure research.

虽然3GPP的研究主要集中在新的更高带宽利用率的无线接入方法方面，但同时也在进行利用高带宽来提供各种新的业务所需的网络架构方面的研究。

The company has always been user-fundamental, adherence to the "high-tech, high-quality, high return" in three high-concept, for China, global manufacturing enterprises, the flow of service enterprises, public utilities, such as various types of power units with a full range of large power-saving solutions and reliable after-sales service protection, really help users to realize low-cost operations, improve resource utilization and enhance efficiency of production management and competitiveness.

公司始终以用户为根本，坚持"高技术、高品质、高回报"的三高理念，为中国、全球生产制造企业、流通服务企业、公用事业单位等各种类型的用电大户提供全方位的节电解决方案和可靠的售后服务保障，真正帮助用户实现低成本运营，提高资源利用率，提升企业生产管理效率和综合竞争力。

The results show that the structure of utilization of urban land of Hohhot city changes obviously.

计算结果表明，呼和浩特市城市土地利用结构明显发生变化。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐