| 1. | Fabrication of l12 - al3ti intermetallics by mechanical alloying and annealing
12型变异合金的制备 |
| 2. | Laboratory research on l - form variation and pathogenicity of vibrio cholerae o
型变异和诱导实验的观察及致病性的探讨 |
| 3. | Effects of ultraviolet rays on phenotype variation and development of drosophila melanogaster
紫外线对果蝇生长发育和表型变异的影响 |
| 4. | The value of discrimination power and the exclusion chance of paternity for these y - str loci are same as the value of haplotype diversity
单倍型变异度为0 . 9991 ，其个人识别能力和非父排除率也为0 . 9991 。 |
| 5. | Result a multiplex pcr system of four y - str loci ( y - a489 - plex ) was established . here , y - a489 means the selected loci dys434 , dys438 , dys439 , a10
在100个样本中检出37个单倍型，单倍型变异度为0 . 9628 ，标准误为0 . 00429 。 |
| 6. | The prescription of the tissue culture of petunie hybrida and the dna level of phenotypic variation seed lings produced by tissue were discussed
摘要探索了矮牵牛组织培养的配方，对组培过程中产生的表型变异植株进行了dna水平的分析。 |
| 7. | The most effective methods to identify gene function is to examine the phenotypic alteration of cells or the whole body after gene expression is increased or blocked
鉴定基因功能最有效的方法是观察基因表达增加或被阻断后在细胞和整体水平所产生的表型变异。 |
| 8. | They were suitable for improving identification power of polymorphic markers on chromosome y . our approach of hplc can separate the oligonucleotides with different size and same size with different sequences , and provide a method to quantity products of snupe
单倍型变异度表明这8个丫str具有较好的个人识别能力和非父排除率，能够较好地提高y染色体遗传标记的个人识别和非父排除能力。 |
| 9. | A . thalianas were respectively introduced by ion beam with a collection of donor dna having a gradient genetic relation with a . thaliana . in vegetative phase of tl , the ratio of phenotypic variation showed no distinct difference among these transformed populations
用离子束介导与拟南芥菜亲缘关系从近到远一系列的外源供体的全dna转化拟南芥菜，在转化当代营养生长期，各转化群体的表型变异情况没有明显的差别。 |
| 10. | Studies on karyotypes wihin clones indicated that all the karyotypes belonged to stebbins ' 3b type . there are different karyotype formulas , polymorphsim of satellite chromosome , variations of chromosomal structure and b - chromosome in clones . chromosomal mutation is important factor of chromosomal structure variations within clones
无性系内核型研究表明：各无性系的核型类型都属于st吮七us的m型、核型公式不完全川同、随体染色体具多忐性，染色体存在结构变异，研究认为造成无性系内核型变异的重要原因是染色体突变。 |
