1. 根据“PET, a h___/ɪ___-quality plastic”可知,此处指的是用高品质的PET塑料制作唱片,high符合语境,故填high。 2. 根据“It has to be very c___.”可知,此处指的是制作唱片的材料必须非常干净,clean符合语境,故填clean。 3. 根据“It is c___3___ from the river Rio Las Vacas in ...
1.PET has good mechanical properties, impact strength is 3 to 5 times that of other films, good folding resistance, high toughness and strength. 2.The characteristics PET is oil resistance, fat resistance, acrylic acid resistance, dilute alkali resistance, and most solvent resistance. 3.PET has...
SBS plastic usually refers to butadiene and styrene as monomers, cyclohexane as solvent, n-butyllithium as initiator, and tetrahydrofuran as activation As a coupling agent, silicon tetrachloride is a high molecular polymer prepared by anionic polymerization. Styrene-butadiene-styrene block copolymer (SBS)...
A. The earliest LCC couldn’t break down PET plastic. B. LCC can help stop PET plastic from breaking down. C. PET plastic can now be recycled faster because of a new kind of LCC. D. The used PET plastic will become another kind of pollution because of LCC. ...
1.PET has good mechanical properties, impact strength is 3 to 5 times that of other films, good folding resistance, high toughness and strength. 2.The characteristics PET is oil resistance, fat resistance, acrylic acid resistance, dilute alkali resistance, and most solvent resistance. ...
In addition, when we go shopping, we can take recyclable bags instead of using plastic bags, which are a main source of pollution because they are hard to break down. Finally, we can seek chances to plant trees,which can absorb carbon ...
PET plastic bottles are not only widely used for packaging carbonated beverages, drinking water, fruit juices, enzymes, and tea beverages, but are also widely used in many fields such as food, chemical, and pharmaceutical packaging. PET plastic has a wid
结果1 题目What can a pet food bowl be made of? A. Glass B. Plastic C. Metal D. All of the above E. None of the above 相关知识点: 试题来源: 解析 D。宠物食碗可以由玻璃、塑料、金属等材料制成。所以以上选项都正确。反馈 收藏
what is there to say what is your favorite what is your greatest what is consumer valu what it is like to lo what it meant to me w what its characterist what its like up ther what kind of kids sca what kind of pictures what kind of problems what l did is totally what language lev...
what the ghost are yo what the mass media o what the world needs what time does the di what time is it summe what to expect and mi what to expect the to what to get her for v what type of stone what type kind of hom what u did what was that what we focus on expa what we ...