Merkittävä teos metsien teollisen käytön historiasta
نویسندگان
چکیده
منابع مشابه
Spatial patterns formed by growing TEOS polymers
2014 Silicon tetraethoxyde (TEOS) monomers are dissolved in a water/ethanol mixture. Through hydrolysis and condensation they aggregate to form branched siloxane polymers ; in a few hours these polymers build a gel throughout the solution. The patterns formed by the growing polymers are studied through small angle neutron scattering. In the reaction bath, these patterns result from repulsive in...
متن کاملComparison of Deposition Models for a TEOS CVD Process
This paper focuses on the comparison of calibrated models for teos deposition in a cvd process according to sem images of SiO2 layers. We describe the applied models and the parameters which lead to the best results for each model. The simulations have been performed using our topography simulator elsa (Enhanced Level Set Applications) which follows the surface evolution by solving the level se...
متن کاملComparison of deposition models for a TEOS LPCVD process
We present a comparison of models describing the pyrolytic deposition of SiO2 with a low pressure chemical vapor deposition process. In order to meet industrial simulation requirements, e.g. accuracy and fast delivery of results, we present an overview of established and new models, their use within TCAD applications, and their best results which have been obtained by calibrations according to ...
متن کاملElectrical Stability of Low - K Polyimide / Teos Interface Alvin
The effect of lowK polymer passivation on electrical leakage was investigated to evaluate the reliability of polymer integration on device wafers. Polyimide passivation over Al(0.5%Cu) interconnects inlaid in TEOS increases the intralevel leakage current mainly along the polyimide/ TEOS interface. Moisture absorbed in the polyimide, as confirmed by residual gas analysis, further increases the i...
متن کاملTEOS hydrosol gel-chitosan matrix based biosensor for monitoring asparagine in various fruit juices
The biosensor for monitoring asparagine levels in Fruit juices was developed in present research work. Lasparaginase (biocomponent) has been extracted from Withania somnifera (L) Dunal, and immobilized into TEOS hydrosol gel-chitosan matrix. Kinetic characterization of both native and immobilized enzyme was compared. Response time studies had been carried out by Phenol Red indicator coimmobiliz...
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ژورنال
عنوان ژورنال: Metsätieteen aikakauskirja
سال: 2011
ISSN: 1455-2515
DOI: 10.14214/ma.6821