Starch is an unharmful and green material.

淀粉化学品是一种有利于环保的绿色物质。

The blocking glue of cancerous serosa (f TH glue) is unharmful to human body.

癌肿浆膜面封闭胶(简称f - TH胶)是一种对人体无害的覆盖胶。

Injectable scaffold materials of tissue engineering can rehabilitate or cure bone lack and bone abnormality in unharmful or tiny harmful way.

可注射性骨组织工程支架材料，可通过非侵害或微创伤方式达到修复和治疗骨缺损和骨畸形的目的。

The maceration test to detoxicated Chromium slag was made under simulated conditions of nearly nature environment, and the results show that detoxicated Chromium slag is unharmful to the environment.

在模拟环境条件下对解毒铬渣进行了浸出毒性试验，结果表明，解毒铬渣在环境条件下是安全的。