搜索结果: 1-15 共查到“Polyethylene”相关记录58条 . 查询时间(0.406 秒)
Designed from Recycled: Turning Polyethylene Waste to Covalently Attached Polylactide Plasticizers
HDPE Oxidative degradation Feedstock recycling PLA Plasticization
2024/3/8
High-density polyethylene (HDPE) waste was successfully feedstock recycled, and the obtained chemicals were utilized for synthesis of plasticizers for polylactide (PLA). First, an effective route to r...
Morphogenesis and productivity of Cucumis sativus L.hybrids under the thermic polyethylene films modified by coating of metals by magnetron sputtering
Cucumis sativus L. growth and development crop modified polyethylene films greenhouses
2016/6/3
The results of the investigation of morphogenesis and productivity characteristics of Cucumis sativus parthenocarpic hybrids Marinda and Kurazh in ontogenesis in greenhouses under the thermic films ar...
Determination of oxygen permeability of polyethylene and polypropylene nonwoven fabric foils
gas transmisivity equipment construction packaging mulching
2014/2/24
The paper deals with determination of oxygen permeability of the polyethylene and polypropylene foils applied in
mulching and food packaging. The construction of the equipment of measurement of gas ...
Effect of Free Cells and Additional Supporting Material on Performance of Polyethylene Glycol (PEG)-Pellet Reactor to Treat NH4-N Contaminated Groundwater
NH4-N removal, Nitrification and Denitrification Groundwater Purification Polyethylene Glycol (PEG)-Pellet Supporting Material Free Cells
2013/3/19
To study the effect of free cells (suspended bacteria) on performance of entrapped bacteria system (i.e. polyethylene glycol (PEG)-pellet reactor) to treat NH4-N contaminated groundwater, two PEG-pell...
Fractographic study of high-density polyethylene gas pipe following Small Scale Steady State test
Fractographic high-density polyethylene gas pipe Small Scale Steady State test
2010/8/12
Polyethylene (PE) is the primary material used for gas pipe applications. Because of its flexibility, ease of joining and long-term durability, along with lower installed cost and lack of corrosion, g...
Basic Chromatographic Properties of Polyethylene Glycol-type, Polymer-based Monolithic Columns
Basic Chromatographic Properties Polyethylene Glycol-type Polymer-based Monolithic Columns
2010/9/17
We have prepared polyethylene glycol (PEG)-type, polymer-based monolithic columns (PEG-type columns) to study the basic properties of PEG-type monolithic polymers. Chromatographic characteristics of t...
Manufacturing sound absorber based on combined recycling of polyethylene trephetalat and polystyrene at low and median frequencies
plastic recycling polyetylen trephetalat (PET) polyetylen (PE) combined recycling low frequency sound absorber
2009/12/15
Background and aim: Noise pollution is one of the main cause of occupational hearing loss. According to WHO reports in many countries workers have been exposed to 85 - 90 dB noise level. The purpose o...
Creep damage mechanisms in gas pipes made of high density polyethylene
Engineering polymers Creep-resistance Mechanical properties
2009/12/3
Purpose: The purpose of this article is to present results of creep damage mechanisms in gas pipes made of high density polyethylene [HDPE]. High density polyethylene has been widely used in the pipin...
Mechanical and electrical properties of mined coal filled polyethylene and polyamide
Mined coal Filled polymers Polymer composites
2009/12/3
Purpose: The purpose of the present paper is to present results of basic mechanical properties research of high-density polyethylene and polyamide 6 filled with two kinds of mined coal particles. Beca...
Examining the hardness of the high density polyethylene with method of the cone
Engineering polymers Mechanical properties Hardness
2009/12/1
Purpose: The purpose of this article is to present results of examining the hardness of the high density
polyethylene with method of the cone.
Design/methodology/approach: In the article a method of...
Ultrasonic methods in diagnostics of polyethylene
Engineering polymers Properties Mechanical properties
2009/12/1
Purpose: The aim of the work was to find relationship between the ultrasonic wave velocity and the strenght
and stess in a polyethylene specimens.
Design/methodology/approach: The experiments have b...
Drip irrigation and black polyethylene mulch influence on growth, yield and water-use efficiency of tomato
Drip irrigation pan evaporation black polyethylene fruit yield tomato
2010/9/14
A two year field study was conducted during 2001-2002 and 2002-2003 on sandy loam soil to investigate the effect of drip irrigation and black polyethylene mulch compared with surface irrigation, on gr...
The role of polyethylene glycol (PEG) pretreatment in improving sugarcane’s salt (NaCl) tolerance
Antioxidant enzymes in vitro NaCl stress polyethylene glycol sugarcane Abbreviations: Pretreated: P Non-pretreated: NP
2010/3/17
An important aspect of salt tolerance studies in different plants is the relationship between salt and water stress. In the present study calluses (60 days old) of 2 sugarcane cultivars (cv. SPF 234 a...
Polyethylene Glycol versus Paraffin for the Treatment of Childhood Functional Constipation
Polyethylene glycol Paraffin Childhood functional constipation Stool frequency Chronic constipation
2009/11/24
Objective:Chronic constipation is a common elimination dysfunction in children. It can be treated with several drugs of different efficacy in different age groups. This study assessed the efficacy of ...
Effects of Ozonization on Properties of Wood-Based Board Bonded with Styrene-Butadiene Rubber and Polyethylene Glycol Adhesive
wood-based board styrene-butadiene rubber polyethylene glycol ozone mat moisture content
2009/11/23
SP adhesive, consisting of styrene-butadiene rubber (SBR) and polyethylene glycol (PEG), has been developed and used to make wood-based boards. This study aimed to improve the wood-based board propert...