| 1. | Spontaneous and induced mutation occur with animals viruses . 动物病毒的突变有自发突变和诱发突变。 |
| 2. | Ultraviolet radiation breeding by induced mutation of rhizopus chinensis saito 两类经典滑坡发生时间预报模型的理论分析 |
| 3. | Primary study on induced mutation and breeding of spring wheat with heavy ions 重离子对春小麦诱变育种及生物效应的研究 |
| 4. | Study on laser induced mutation condition of low - diacetyl producing saccharomyces cerevisiae 低双乙酰啤酒酵母激光诱变条件的研究 |
| 5. | Application of induced mutation techniques in the double haploid production of higher plants 诱发突变技术在植物双单倍体生产中的应用 |
| 6. | Environmental mutagens can also induce mutations at undamaged sites and result in the so - called nontargeted mutation 环境诱变剂引起的突变也可发生在非dna损伤部位,我们称之为非定标性突变( nontargetedmutagenesis ) 。 |
| 7. | However , environmental mutagens can also induce mutations at undamaged sites and result in the so - called nontargeted mutagenesis 但是环境诱变剂引起的突变也可发生在非dna损伤部位,它被称之为非定标性突变( nontargetedmutagenesis ) 。 |
| 8. | After enriching , separating , first - screening and second - screening , induced mutation and screening after induced mutation , five strains capable of producing high fucoidanase activities are separated and selected 经富集,初筛,复筛,诱变,诱变后筛选,得到5株产酶高活力的菌株。其中菌株a活力最高,酶活达到3 . 68u 。 |
| 9. | Phenanthrene is one of three - aromatic pahs and distributes in environments widely , which causes diseases of human respiration system and skin , and induces mutation , aberrance and carcinogen of fish and other animals 菲为一种广泛分布于自然环境的三环芳烃,能导致人类呼吸系统和皮肤的病变,可诱发鱼类和其它生物的突变、畸变与癌变。 |
| 10. | The applications of ion beam technology on the wheat breedings1 were elucidated , the principles and methods of breedings through ion - beam - induced mutation and ion - beam - mediated transgene were summarized and the parameters involved in wheat breedings in detail ware described 摘要阐述了离子束生物技术在小麦育种领域应用情况,概括介绍了离子束诱变育种和离子束介导转基因技术的原理及方法,对离子束小麦育种过程中涉及的主要技术参数作了详细描述。 |