查询词典 fertilizer efficiency

Using system analytical method, a mathematical model for evaluating the efficiency of gas-distribution piping system was established, and the illation was made about efficiency of it in the realm of evaluation.

利用系统分析方法，建立了评价配气管网系统效率的数学模型，并延伸出评价区域配气管网效率的数学模型。

In the same time, this paper measures the production functions of each industry, the result is the industries capital efficiency low, the margin efficiency of capital is low, especially attach little importance to the immateriality capital.

同时本文还利用截面数据度量了股票市场各个行业的生产函数，认为我国股票市场的行业资源利用效率低下，资本的边际效率水平不高，尤其对于无形资产不够重视。

Allocation scale and structure of public finance is the key for the equilibrium and balance between efficiency and justice, for that immoderate justice allocation will affect efficiency.

但公平与效率之间有个转化和平衡关系，过度的分配公平会损害财富创造的效率，所以，公共财政分配应该有一个适度的规模和合理的结构，既要满足广大社会成员的基本生活保障，又不能削弱社会成员工作和创造财富的积极性。

We discusses that the imperativeness and feasibility as well necessity of developing high water use efficiency agriculture in china at these aspects: security of grain and economy and water resource, agriculture resource in North and South of China, regulating agriculture structure, agronomic methods for drought resistance and water saving, crop high yield breeding and high efficiency water resource management.

从粮食安全和经济安全及水安全，南北方农业资源，农业结构调整，农艺抗旱节水措施，作物高产育种，高效的水管理体系等方面，论述了发展高水效农业发展的迫切性、可行性和必然性。

Chapter 4,based on strong efficiency rather than efficiency or weak effi-ciency,discusses the similar problem to chapter 3.The concepts of strongsupremum and strong infimum for the set in finite-dimensionalEuclidean space are given,s-conjugate functions and s-subdifferentials theory is developed,by means of which,the duality problem ofmulitobjectivre programming for strong efficient solutions or called absoluteoptimal solutions is analysed,and a new duality theory-s-conjugateduality theory is proposed.

第四章，基于强有效性而不是有效性和弱有效性，给出了类似于第三章的结果，提出了有限维欧氏空间中集合的强上、下确界等概念，研究了点集映象的强共轭函数和强次微分问题，建立了点集映象的s-共轭函数及其s-次微分理论，并借助于这一理论，讨论了多目标规划关于绝对最优解或称强有效解的对偶性问题，建立了基于强有效性的s-共轭对偶理论。

Its economic efficiency, the social efficiency and the environmental protection value are the infinitude.

其经济效益、社会效益和环保价值都是无限量的。

It has provided both the green ecology raw materials and the new outlet for the intensive process of agriculture, with big social efficiency and economic efficiency.

既为纺织等行业提供了绿色纺织原料，又为农业深加工开辟了新出路，具有较大的社会效益和经济效益。

For the theorem 4 on DEA efficiency (C~2R) in reference ,this paper gives its inverse theorem under a condition in order to be easy to discriminate DEA efficiency (C~2R).

对文[1]中有关DEA有效(C2R)的定理4，本文给出了在某种条件下的逆定理，以便简化DEA有效性(C2R)的判断。

The results were as following. Compared with C, total irrigation water amount for A and F decreased by 26.27% and 21.20%, irrespectively, the yield decreased slightly while water use efficiency and production efficiency of irrigation water increased markedly, which of A increased by 29.21% and 16.84%.

结果表明，半边固定灌溉和两边交替灌溉的总灌水量比均匀灌溉分别减少26.27%和21.20%，其产量仅略微下降，水分利用效率和灌溉水生产效率明显增加，其中，交替灌溉分别增加29.21%和16.84%。

It will accelerate the research of the CIPS of Isopropyl Alcohol enterprises. It will bring about obvious society efficiency and economic efficiency and has immense real significance.

该项目的成功实施，将会促进异丙醇企业综合自动化系统的研究，带来明显的社会效益和经济效益，有着巨大的现实意义。

The receding calculations and experiment analyses in this subject are built on the blood cast of pig tongue.

本研究课题的前期工作是采用猪舌血管铸型模拟人舌而进行的数值计算与实验分析。

"Each human infection constitutes an opportunity for genetic modification of the virus through reassortment, mutation, or both...."

&每一次人类的感染都暗藏着一次基因修改的机会，无论是通过病毒的整合、突变或者兼而有之。。。。&