An overview of recent developments in the polyurethane industry.

نویسندگان

چکیده

برای دانلود باید عضویت طلایی داشته باشید

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

Phase Retrieval: An Overview of Recent Developments

In many physical measurement systems, one can only measure the power spectral density, i.e., the magnitudesquare of the Fourier transform of the underlying signal. For example, in an optical setting, detection devices like CCD cameras and photosensitive films cannot measure the phase of a light wave and instead measure the photon flux. In addition, at a large enough distance from the imaging pl...

متن کامل

Wavelength Division Multiplexing: An Overview & Recent Developments

As speed & bandwidth has always been a cause of concern in communication network, WDM emerges as a vital solution to these problems. The problem arises when the demand for bandwidth in a fiber optic network exceeds the current capacity, WDM helps in expanding the capacity of a fiber optic network without requiring additional fiber. The decision problem is to find the most cost-effective combina...

متن کامل

An Analysis of Recent Developments in Countries with Islamic Awakening

Having mentioned some of major achievements by Islamic awakening, the author has studied developments in countries where Islamic awakening has occurred including Egypt, Yemen and Bahrain as case studies. Finally he has covered Syria's developments in detail and has compared its developments with other countries with respect to Islamic awakening. He has concluded that unlike claims by western co...

متن کامل

Meshless Methods: an Overview and Recent Developments

Meshless approximations based on moving least squares kernels and partitions of unity are examined It is shown that the three methods are in most cases iden tical except for the important fact that partitions of unity enable p adaptivity to be achieved Methods for constructing discontinuous approximations and approx imations with discontinuous derivatives are also described Next several issues ...

متن کامل

application of brand personality scale in automobile industry: the study of samand’s brand personality dimensions

این تحقیق شخصیت برند سمند را در ایران با استفاده از مدل پنج بعدی آکر (1997) بعنوان یک چهارچوب بطور توصیفی سنجیده است. بنابر این چهارچوب که دراصل در 42 جزء (42 ویزگی شخصیتی) ودر پنج بعد شخصیتی طراحی شده بود ودر کشورها وصنایع مختلف آزموده شده بود, پرسنامه به زبان فارسی ترجمه شده و با استفاده از روشهای ترجمه معکوس و مصاحبه عمیق با 12 متخصص ایرانی به 38 جزء کاهش یافت. و نظرسنجی ای در پنج نمایندگی ا...

15 صفحه اول

ذخیره 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: NIPPON GOMU KYOKAISHI

سال: 1992

ISSN: 1884-0442,0029-022X

DOI: 10.2324/gomu.65.649