نتایج جستجو برای: light weight building materials

تعداد نتایج: 1320383  

Journal: :Work 2012
P Vink M Franz I Kamp R Zenk

Seats need to be more lightweight for airplanes, cars, busses and even trains to contribute to a better environment and to reduce energy consumption. However, a reduction in comfort due to weight reduction is not preferable, which opens a new area of research: improving comfort with a minimum of material or with lightweight materials and systems. In this paper three experiments are performed to...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور استان تهران - دانشکده ادبیات و علوم انسانی 1388

the purpose of this study was to investigate how english language teachers in mashhad who teach students in the pre-university cycle perceived the impact of the efltee on their teaching. the target population was nearly all pre-university english language teachers in seven districts of mashhad in the scholastic year 2008/2009. a survey questionnaire which consisted of (36) likert type items, wa...

Journal: :Nature Physics 2019

2017
Ren-Jye Shiue Dmitri K. Efetov Gabriele Grosso Cheng Peng Kin Chung Fong Dirk Englund

Two-dimensional materials have emerged as promising candidates to augment existing optical networks for metrology, sensing, and telecommunication, both in the classical and quantum mechanical regimes. Here, we review the development of several on-chip photonic components ranging from electro-optic modulators, photodetectors, bolometers, and light sources that are essential building blocks for a...

Journal: :Botanical Gazette 1925

Journal: :Organic & biomolecular chemistry 2015
Jianan Zhu Ying Wei Dongqing Lin Changjin Ou Linghai Xie Yu Zhao Wei Huang

Under very mild conditions, functionalized benzoxaborole derivatives were prepared in good to excellent yields via a palladium-catalyzed Miyaura borylation reaction of readily available unprotected o-bromobenzylalcohols, and bis(pinacolato)diboron (B2pin2) without the assistance of an acid. Blue-light-emitting materials based on spiro benzoxaborole building blocks have been obtained with potent...

Journal: :Transactions of the Architectural Institute of Japan 1977

1999
Dorgham Sisalem Srikanth Krishnamurthy Son Dao

In accordance with current efforts for building QoS models for the Internet, DiffRes provides a light weight QoS signaling protocol that allows for per-flow reservation establishment without the need for maintaining state information in the core routers. In this paper, we describe the functionality and design of the DiffRes protocol and possible interaction with other QoS signaling protocols.

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