Phần lớn các nghiên cứu khoa học đều được tiến hành dựa theo các trình tự có tính logic, thí nghiệm này thực hiện tiếp theo sau những tìm tòi của các nghiên cứu khác. Nhưng đôi khi sự đột phá trong ý tưởng nghiênChi tiết
The packaging industry is essential to all other industry sectors. It’s impossible to think of any product without the sometimes highly complex manufacturing processes behind it – however large or small the company or product might be. All industry sectors requireChi tiết
Plastic bags and film packaging are generally #2 and #4 plastic, both of which are recyclable. If you are looking for a location to recycle plastic bags you can scroll to the end of this article and use our recycling locators. Most plastic bags are recycled into compositeChi tiết
Without overloading you will all the tried and true data there is a new additive that can be put into HDPE plastic bags. It helps the Polyethylene molecules biodegrade. This process takes place aerobically or anaerobically. It can happen with or without the presence of light.Chi tiết
On Resource Use – Renewable Versus Non-Renewable Resources Paper Bags and Trees Paper bags have a much higher global warming potential (GWP). The manufacture of paper bags is much more resource intensive than plastic consuming larger amounts of energy and water. Chi tiết