1)  theory-theory
理论-理论观
2)  theory
理论
1.
Research prosress in technique and theory of spray forming technology;
喷射成形工艺与理论研究进展
2.
Analysis on the Theory and Practice of Biodiversity;
浅析生物多样性的理论与实践
3)  theories
理论
1.
the soft soil foundation handles theories is apply in establishment engineering construction plan;
软土地基处理理论在编制工程施工计划中的应用
2.
Calculation Formulas on Consistency Degrees of Theories in Fuzzy Logic Systems Luk and L~*;
模糊逻辑系统Luk和L~*中理论相容度的计算公式(Ⅲ)
3.
Calculation Formulas on the Lower Truth Degree and Consistency Degrees of Theories in Propositional Fuzzy Logic systems Π and Gd (Ⅱ);
命题模糊逻辑系统Π和Gd中理论的相容度与下真度的计算公式(Ⅱ)
4)  theoretic
理论
1.
Discussion on the Theoretic Qualified Points in Soccer League;
关于足球联赛的理论保级分数探讨
2.
Some basic theoretics such as the development,classification,mechanism,description methods and the investigation means of microemulsion(ME) are introduced in the paper.
本文介绍了关于微乳状液研究的发展历程、体系类型、形成机理、表征方法以及研究手段等一系列基础理论。
3.
This article discusses and expounds the theoretic premises, outside enviroment and debit and credit relationship of the new type Bank-enterprise relationship.
主要是围绕新型银企关系的理论前提、外部环境和银企双方借贷关系展开探讨和阐述。
5)  practice
理论
1.
The Theory and Practice of the Right to Gather News;
新闻采访权的理论与实践
2.
This paper discusses the practice of physics experiment microteaching in “physics teaching methodology for middle school”, and studies theoretically the quality of microteaching, general form and theoretial reasons of its marvellous effect, problems needed probing further are also involved .
本文阐述了浙江师范大学物理系“中学物理教学法”课程的物理实验微格教学实践:演示实验微格教学和学生实验微格教学;并探讨了微格教学的若干理论性问题:微格教学的性质、微格教学的一般模式和微格教学效果的理论依据;最后提出尚待研究的问题:微格教学的真实性、教育思想的指导作用和微格教学中对学生的感知问题。
3.
This paper mainly deals with the acknowledgement, application and development to peaceful settlement of international dispute on theory and practice since the people s republic of China was founded, and explains ways and characteristics of settlement of international dispute about china in international relations, then finds out some regular results.
本文主要从理论和实践两个方面论述了中华人民共和国成立以来,对国际法上和平解决国际争端原则的确认、适用和发展以及在我国的对外交往实践中处理与中国有关的重大国际争端的方法及特点,力求从中找出若干带有规律性的现象。
6)  Theoretical
理论
1.
Theoretical Study on Man-sea Relation and Regional System of Man-sea Relation;
人海关系与人海关系地域系统理论研究
2.
5 and 2cm,the TLD measured and theoretically calculated result is 3.
方法采用热释光剂量学方法(TLD法)和美国医学物理学家协会43报告工作组(AAPM TG-43)推荐的理论计算公式(理论计算法)对~(125)I粒籽的径向剂量进行了研究,并对TLD法和理论计算结果进行比较。
3.
The theoretical research and application study of the high temperature heat pipe are introduced in detail.
对国内外高温热管的理论研究与应用研究进行了详细介绍,指出高温热管的研究工作已从理论研究转向应用研究,未来的研究重点在于工业应用与新产品的开发。
参考词条
补充资料:Gniffith理论
分子式:
CAS号:

性质: 一种脆性断裂理论。认为脆性断裂是物体中存在的微裂纹不断生长发展引起的。当由于裂纹生长引起的弹性贮能减少大于或等于由于裂纹生长而形成新表面的表面能增加时,就会发生裂纹的不断生长而导致断裂。由此可导Gniffith断裂判据:当应力强度因子K1大于等于材料的临界应力强度因子K1c时发生断裂。

说明:补充资料仅用于学习参考,请勿用于其它任何用途。