为了百分百环保，这个布告牌使用了环保墨水、装置、运输工具、清洁和化学品制成。
Designed to be 100 percent eco-friendly the billboard has been made using eco-friendly inks, structure, transportation, cleaning and chemicals.
本文中作者对研发的一种保水缓释包膜尿素肥料的包膜物理化学特征，养分缓释机制进行了研究。
A study was conducted on the physical and chemical characteristics of coatings and mechanism of nutrient slow release of water-absorbent coated urea (WACU).
以混凝土外加剂分子设计原理为指导，以绿色化学为基础，研究了新型接枝聚合物保坍剂的绿色合成工艺。
Based on green chemistry and molecular design theory of concrete admixture, the cleaner synthesis of novel grafted polymeric concrete slump retaining agent has been studied.
应用推荐