chromosome numbers 中文意思是什麼

chromosome numbers 解釋
染色體數目
  • chromosome : n. 【生物學】染色體。
  • numbers : n. 【聖經】民數記〈＝the book of Numbers, 略 Num. 或 Numb. 〉。
  1. However, only three species of the cephalochordate including b. lanceolatum, b. floridae, and b. belcheri, have so far been studied for their chromosome numbers, and the karyotypic analysis and banding study of amphioxus chromosomes remains largely untouched

    Floridae 、 b belcheri三種文昌魚染色體數目。有關文昌魚染色體核型和帶型的研究尚未見任何報道，文昌魚染色體核型和帶型的研究將為比較基因組學和細胞遺傳學研究提供珍貴的背景資料。
  2. Chromosome numbers which deviate from the normal number of chromosomes for a species are said to be heteroploid.

    偏離了一個物種的整個染色體數目的叫做導倍體。
  3. For example, if the haploid number is 7, the euploid number would be 7, 14, 21, 28, etc, and there would be equal numbers of each different chromosome

    例如，一種生物單倍體染色體數目是7 ，整倍數將是7 、 14 、 21 、 28等數目，並且每條不同的染色體有相等的數目。
  4. Aneuploid describes chromosome numbers which are not multiples of the haploid number (n).

    非整倍體所描述是單倍體數目（n）並非成倍增加。
  5. Aneuploid describes chromosome numbers which are not multiples of the haploid number ( n )

    非整倍體所描述是單倍體數目（ n ）並非成倍增加。
  6. Observation on chromosome numbers of 6 european pears

    6個西洋梨品種染色體數目鑒定
  7. Chromosome numbers were no remarkable difference with the control. analysis of isoenzyme ( peroxidase, cytochrome oxidase, esterase ) and rapd indicated that the regenerated plants from protocalli were different with the control. protoplasts were isolated from agrobacterium rhizogenes a ^ transformed cell line of medicago sativa l.

    染色體檢查，同工酶（過氧化物酶、細胞色素氧化酶、酯酶）和rapd分析表明，來源於抗性系原生質體的再生植株具一定的遺傳穩定性，但與野生型相比亦發生了一些變異。
  8. In the laboratory experiment part, human peripheral blood, cultured cells and icr mice were study objects. the changes of mitotic chromosome numbers were measured by human metaphase chromosome counts and statistic analyzed used x2 - test. the changes of meiotic chromosome numbers were measured by mice one - cell zygote chromosome counts and statistic analyzed usedx2 - test. the effects of low dose ionizing radiation on the expression of topoisomerase ii were measured by immunocytochemistry, western blot and rt - pcr

    流行病學結果顯示長期小劑量輻射接觸與染色體不分離呈正相關，為進一步在細胞遺傳學和分子生物學方面研究小劑量電離輻射與染色體不分離關系及其機制，本課題第二部分以外周血、培養細胞、 icr小鼠為研究對象，用外周血染色體計數和單細胞受精卵染色體計數的方法研究小劑量輻射和拓撲異構酶復旦大學2000級博士生學位論文11a抑制劑及其二者的協同效應對有絲分裂和減數分裂染色體不分離的影響，用免疫細胞化學染色、 westernblot 、 rt pcr等方法研究了電離輻射引起拓撲異構酶a表達變化。
  9. Three improvements were proposed. that is : coding the chromosome with floating point numbers, selecting different optimal strategy according to the electric dimension of the target, utilizing subsection varying parameter genetic algorithm to avoid trapping in premature convergence. the optimization time was saved significantly after adopting these methods

    針對球面和半球面結構的雷達吸波材料優化設計時間長，提出三點改進方法：染色體採用浮點數編碼；依據優化目標的電尺寸採用不同的優化策略；優化過程中採用分段變參數的優化方法。
  10. Chromosome number also gives an indication of polyploidy, where numbers vary by exact multiples between related species

    當多倍性現象發生時，物種的染色體數目是原來的整數倍。
  11. The major tasks include : ( 1 ) expand the schema theorem for ga. the schema theorem with binary coding advanced by professor holland is expanded to limited integer, letter, floating point numbers the number of which value is limited, and their hybrid coding. ( 2 ) put forward replacing by the excellent chromosome ga ( recga ), superiority colony first ga ( scfga ) and improve the ga ; ( 3 ) make probability convergence analysis of recga using the theory of markov chain, random process ; ( 4 ) make convergence analysis of scfga using the principle of contractive mapping in functional analysis theory ; ( 5 ) design the test programs ( cap ) to resolve np problems ( course arrangement ) with gas ; based on recga, modify the arithmetic and then conduct tests

    主要有以下幾方面工作： （ 1 ）將二進制編碼遺傳演算法的模式定理擴展到由有限整數、字母或取值個數有限的浮點數編碼，或它們混合編碼的遺傳演算法范圍； （ 2 ）提出最佳個體替換策略遺傳演算法（ recga ） 、優勢群體優先策略遺傳演算法（ scfga ） ，對遺傳演算法進行改進； （ 3 ）使用隨機過程理論markov鏈對recga進行了收斂性分析； （ 4 ）使用泛函分析理論壓縮映射原理對scfga進行了收斂性分析； （ 5 ）使用遺傳演算法設計了解決np類問題（排課問題）的測試程序（ cap ） ，並根據recga對演算法進行改進並進行測試。
  12. 8 species and 1 variants collected from sichuan and yunnan were studied in this paper. the materials comprised all kinds of chromosome basic numbers

    本文研究了該組8種1變種，包含該組所有染色體基數類型，材料來自四川、雲南兩地。
  13. An optimizing method based on biological evolution - genetic algorithm is proposed to the problem of the construction process planning analysis. adapting the successful experience of path optimization problem, improved genetic operators are adopted : the sequence of numbers, which is arranged by the removal order of members, is assumed to represent a chromosome by natural code ; transforming baseline information of this problem into immune operators ; combining rank - based model with elitist model ; designing special crossover and mutation operators. the mathematical model for computer and special programs are provided in this paper

    借鑒遺傳演算法在求解路徑優化問題上的成功經驗，應用了改進的遺傳運算元：採用自然數對結構去除構件進行編碼，將所求問題的基本信息轉換成免疫運算元，採用穩態最優保存策略和排序選擇方法相結合進行選擇，採用適用於本問題研究的特殊的交叉運算元和變異運算元，從而來討論在桁架結構施工路徑優化問題中使用遺傳演算法的可能性。
  14. Tlc analysis on essential oil in houttuynia cordata with different chromosome numbers

    不同染色體數目魚腥草揮發油成分的薄層色譜分析
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