国内外

Aiming at the characteristic of date structure used in the system of 3D scene for city,the paper analyzes and compares many kinds of prevalent arithmetics domestic and outside,and then realizes the arithmetic based on binary space partition which avoids the partition of triangles and gives some optimization on it.

论文在对国内外已有碰撞检测算法进行分析比较的基础上，针对三维城市景观系统的数据特点，提出了基于回避三角形分割的二叉空间分割算法的碰撞检测算法。

According to the study of former researcher, the paper puts forward basic hypothesis of building cluster brands, and constructs the model of transformation for the mode of cluster brand. The paper takes Datang socks cluster for example, and tests the model with t-test and binomial distribution test.

本文根据国内外学者的相关研究，提出建设集群品牌的基本假说，据此构建了集群品牌发展模式转换模型，并以浙江大唐袜业集群的品牌发展为实证，运用t检验和二项分布检验对该模型及假说进行了检验。

OBJECTIVE: To summarize the situation of the research on the anti-cancer mechanism of bioactive peptides.

目的：总结国内外对生物活性肽抗肿瘤机制的研究现状。

Lignin peroxidase is a multifunctional biocatalyst having many uses, especially in the degradation of dyes and many types of aromatic pollutants.

木素过氧化物酶是一种多功能催化剂，其用途十分广泛，尤其是该酶对染料及多种芳香污染物有广泛的降解能力，受到了国内外的普遍关注。

This paper firstly reviewed the development status of biodegradable engine oil at home and abroad.

本文介绍了国内外可生物降解润滑油的发展状况和技术趋势。

This essay introduced the research progress of using soybean protein to obtain biodegradable materials in the world.

论述了国内外对大豆蛋白制取可生物降解材料的研究进展情况。

BACKGROUND: Some scholars have used finite element analysis to simulate spinal biodynamics. But there are few reports on finite element imitation of lumbar biodynamics system before and after artificial disc replacement.

背景：国内外已有学者将有限元分析用于脊柱的生物力学模拟，但对人工椎间盘置换前后腰椎生物力学系统的有限元模拟报道较少。

Daphniphyllum alkaloids have been the challenging subjects in biogenetic and synthetic programs of natural products.

为了更好地开发和利用本属植物，作者在查阅国内外文献的基础上就这一领域的研究进展进行了综述。

With its unique molecular structure and outstanding bio-activities, qinghaosu has been proven as a worthy subject for in-depth studies with profound influence, not only for pharmacy, but also for phytochemistry, biogenetic synthesis and organic synthetic chemistry, chemical biology, etc. A great amount of work has been done in the last 30 years, with a lot more issues to be explored. Researchers need to seize the opportunity and make more achievements.

青蒿素以其独特的分子结构和杰出的生物活性显示出它是一有深远影响的研究对象，不仅对于药学，而且对于植物化学、生源合成、有机合成化学、化学生物学等学科都是一个可以大有作为的课题。30年来国内外已做了不少工作，但是还有更多的问题有待探索，机不可失，时不再来，期待着在綻放青蒿素的故土上结出更多的果实。

Biomass-derived black carbon,also named biochar,has the characteristics of high stability against decay and high capability of adsorption,and can affect the environment through its interactions with climate and geology,playing a significant role in global climate change,carbon biogeochemical cycle,and environmental system.

生物质炭具有高度稳定性和较强的吸附性能，可从气候、地质等多方面对环境产生影响，在全球气候变化、碳生物地球化学循环以及环境系统中发挥着非常重要的作用，长期以来成为国内外大气科学、地质学和环境科学领域研究的热点。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。