3.Using the method of latex polymerization,poly vinyl acetate was synhesized with PVA as protective colloid,which was crosslinked with formylamine-group containing component.
4.We found that the poly methacrylates prepared by modified microemulsion polymerization have properties of high glass transition temperature (Tg) and rich syndiotacticity.
5.The author outlines the type, characteristics of coagulant popularly used; especialy discusses the application conditions and extents of polyacrylamide, polyiron sulfate and poly alum.
6.Humic acid (HA ) was abstracted from leonardite,and a composite superabsorbent (HA PSA ) was prepared by compounding poly (acrylic acid ) and lignitic humic acid.
7.This paper introduces the preparing method, the structure, the properties and applications of poly (trimethylene terephthalate) (PTT), and it compared with PET, PBT et al. engineering plastics.
14.At the moment, 500 million poly cups are collected, processed and sold on to other businesses, such as Waterford, which turns the cups into pencils.
15.My plentiful poly- and monounsaturated fats, along with my enviably high level of omega-3s (I'm the only nut with significant amounts of them), really are essential for cognitive health.
16." Roly poly right, right, right. Roly poly left, left, left, " sings a class of five-year-olds at a government primary school on the outskirts of Lucknow, a city in India's Hindi-speaking heartland.
17.Some of these courses are the so called " sandwich" courses, typically two years' polytechnic study, one year in industry, and a final year back at the poly before your examinations.
18.Or he'll point out these elaborate front yards where you have blue poly tarps just strung across the space or maybe exotic trees that are sort of overflowing into the street.
19.Second, in terms of time, people in high-context cultures are considered to have what is called a polychronic attitude toward time. Here " poly" means multiple and " chronic" means time.
20.Also, I remember that learning this part of the word means string when I was at school as well, because " poly" , we see this in lots of words, like: " polyester" is a kind of plastic, or when you...