查询词典 theoretical

The surface of desert biological soil crust formation mechanism, and their impact on the environment, biota, from another point of view of ecosystem stability and maintenance, but also has important theoretical and practical significance.

探讨荒漠地表生物结皮形成机制，及其对环境生物群的影响，从另一角度研究生态系统的稳定与维持，而且具有重要理论与实践意义。

A theoretical breakthrough is necessary to improve the bipartition methodology.

因此 ，必须对以交易费用分析为标准的市场与企业的简单两分法加以理论突破。

Gait planning is an important topic which influences the technology development in the field of humanoid robots research. It's the theoretical basis and key technology to realize stable biped walking.

步态规划是当前影响仿人机器人技术进步的重要课题之一，是成功和有效的实现双足稳定步行的理论基础和关键技术。

In part two, we present a theoretical investigation on the thickness dependence of the exchange bias and the coercivity in FM and AFM bilayer systems, in which the exchange coupling at the interface includes both the bilinear and biquadratic terms.

在第二部分里，我们在理论上解析地给出铁磁和反铁磁双层膜系统的交换偏置和矫顽场随铁磁层、反铁磁层厚度的关系式，其界面耦合包含二次、双二次耦合，铁磁层、反铁磁层厚度均有限。

The theoretical analyse is provided for the design of a optical bistable cell by a superlattice quantum well.

为超晶格量子阱光学双稳态器件的设计提供了基本的理论分析。

PDC bit theoretical study quality check survey mathematical model

PDC钻头；理论研究；质量检验；测绘；数学模型

In order to provide some theoretical support to the comprehensive processing of bitter almond,this paper conducted a study of the best temperature for the hot-press method and of the designing of technology for an effective steam distillation of essential oil with orthogonal experiments.

为了对苦杏仁综合加工提供理论依据，系统地研究了热榨法压榨苦杏仁油脂的最佳温度，并结合正交试验设计水蒸气蒸馏法提取苦杏仁精油的工艺。

This article through the comprehensive research of extraction method and technique of Almond oil and bitter almond oil, provide theoretical basis and technological information for the processing and utilization of bitter almond. On the other hand, the best habitat of bitter almond is selected with the oil contents and fatty acid constituents and VE of almond oil, also with oil and the benzaldehyde content of bitter almond oil.

本研究通过对苦杏仁脂肪油、精油提取工艺以及提取方法的综合研究，确定苦杏仁脂肪油及精油提取的最佳工艺，为苦杏仁加工的全面性、合理性提供理论依据和技术资料，另外还通过对黄土高原不同产地苦杏仁的脂肪油以及精油含量、成分等指标的研究，优选出了苦杏仁的最佳产地，为建立苦杏仁的规模化生产基地奠定了基础。

Our researches on the biological activity of bitter almond oil on four pests provide the theoretical basis for the feasibility of bitter almond oil as plant-based pesticides.

本研究通过苦杏仁精油对四种试虫的杀虫活性研究，旨在为苦杏仁精油作为植物源农药的可行性提供理论依据，为苦杏仁精油的产品开发拓宽思路。

To begin with, the concept of a black hole is theoretical.

首先，这是一个黑洞理论概念。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。