منابع مشابه
Storage and usage of hydrogen Speaker : Shin - ichi ORIMO
Hydrogen is considered to be the most promising new energy carrier to replace fossil fuels. The use of hydrogen in practical applications such as fuel cell driven vehicles and portable-devices, however, requires the development of safe and efficient hydrogen storage technologies/materials. High-pressure (>35 MPa) and cryogenic (< 20 K) hydrogen storage technologies may not be so practical for t...
متن کاملThe Effect of Hydrogen Content and Welding Conditions on the Hydrogen Induced Cracking of the API X70 Steel Weld
In this study, first,diffusible hydrogen of cellulosic electrode E8010-P1 and low hydrogen electrode E8018-G was measured by mercury displacement method according to ISO3690. Then,the effect of preheating and post-heating on the sensitivity to hydrogen inducedcold cracking in welding of 18mm API5L X70 steel with these electrodes was investigated according to ISO17642-2. The results of visual in...
متن کاملGrammar Is Grammar and Usage Is Usage
A number of disparate approaches to language, ranging from cognitive linguistics to stochastic implementations of optimality theory, have challenged the classical distinction between knowledge of language and use of language. Supporters of such approaches point to the functional motivation of grammatical structure, language users’ sensitivity to the frequency of occurrence of grammatical elemen...
متن کاملSurvey of surface runoff quality in Zahedan for irrigation usage
Background & Aim: Urban runoff is one of the most valuable and renewable water resources in many arid and semi-arid parts of the world. Understanding how to use these resources is very important. The purpose of this study was to determine the physical, chemical and biological properties of surface runoff in Zahedan for irrigation uses. Methods: The present work was a descriptive cross-sectiona...
متن کاملDeterminants of Contraceptive Usage among Married Women in Shiraz, Iran
Background & aim: Contraceptive usage is a central part of the quality of care in the provision of family services. Currently, this issue has gained much importance since the Iranian policy makers are changing their policies about family planning and contraceptives accessibility. Regarding this, the aim of this study was to determine the rate of contraceptive usage and the factors affecting con...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Journal of the Mining and Metallurgical Institute of Japan
سال: 1976
ISSN: 0369-4194,2185-6729
DOI: 10.2473/shigentosozai1953.92.1062_521