1·In the use of temperature range, silicate tube can be used for a long time, not easy ageing, not metamorphic avirulent insipidity, heat preservation performance for a long time.
在使用温度范围内，硅酸盐管可长期使用，不易老化、不变质无毒无味、保温性能长期不减。
2·Its characteristic is long do not fade, natural, beautiful, avirulent insipidity.
其特点是长久不褪色，自然，美观，无毒无味。
3·Epoxide system which consists of H2O2 and avirulent metal catalyst stands a potential chance of development of synthesis, process research and cheap production on a large scale.
H2O2与廉价的、相对无毒的金属催化剂相结合的环氧化系统，在廉价生产和具体合成研究上具有很重要的意义。
4·Recent advances in cloning of avirulent genes in pathogens and resistant genes in plants, together with molecular mechanism of plant disease resistance, were reviewed.
报告了病原无毒基因和植物抗病基因克隆；植物抗病分子机制的研究进展。
5·The invention of molecular labeling method of Pyricularia grisea avirulent gene belongs to the field of agricultural biotechnology.
本发明稻瘟病菌无毒基因的分子标记方法属于农业生物技术范畴。