依据

Based on the mechanism of riboflavin biosynthesis and regulation, a few important intermediates in the pathway were analyzed.

本文以核黄素的生物合成和代谢调节机制为依据，分析了几种重要中间产物的流向。

According to the Law of Biot-Savart, the author concludes that there is an electric current which can distort the diurnal variations of the geomagnetic vertical component beneath the boundary line of the geomagnetic low-point displacement within and in the vicinity of the day of the geomagnetic low-point displacement anomalous.

作者依据Biot-Savart定律推测，在低点位移异常期间，在低点位移线下方有一引起地磁垂直分量日变化畸变的电流通过，且该电流为线状分布，或仅在垂直面内有分布，埋深一般认为几十千米。

This study provides a new method for analysis of genetic structure in biotic survival traits, and has important significance in the field of Biology.

为以后研究生物生存性状遗传结构提供了新的方法依据，同时也具有重要的生物学意义。

This conclusion support the knee structure design of biped with important theory and ideal.

这里从传统的两足步行平面连杆模型入手，提出了用于判断步态优化的能量指标，并以此为基础，建立了不同膝关节折向的不同步行速度下的动力学模型，并进行了仿真，这里结论为两足步行机的设计提出了一些新的理论依据和设计思路。1平面简化模型如图1所示，建立经典的两足步行平面简化

The theoretic fundamentals for the commonly used biplane truncation algorithm is expounded, and its sub-optimality is pointed out.

阐述了目前广泛使用的位平面截断算法的理论依据，并指出其次最佳性。

Objective: To study and analyze the dynamic change of the prenatal - period birth defect in the city, in order to provide some foundations for future intervention.

目的：研究和分析城市流动人口围产儿出生缺陷发生的动态变化，为制定和采取预防措施提供决策依据。

Keystone of entropy coding in JPEG2000 is described systemically in this paper. An architecture of bit plane coding suitable for VLSI is presented.

依据JPEG2000标准中熵编码模组的基本内容，设计并实现了一种"适合VLSI实现"的嵌入式位元平面编码硬体结构。

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。

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