Hydrogen bonding actions of cellulose and fir powder were all weakened greatly after treatment and the crystallinity of them were also decreased.
处理后的纤维素和杉木粉的氢键作用均被削弱,相对结晶度均被降低。
Occasionally, however, particularly in the elderly or in people with weakened immune systems, they can be life-threatening and may need treatment with antibiotics.
然而有时候,尤其是在老年人或免疫系统虚弱的人之中,它们可能是致命的,并且可能需要用抗生素治疗。
Simultaneously also obviously weakened the sewage treatment field purification function.
同时也就明显地消弱了污水处理场的净化功能。