精受精 的英文怎麼說

中文拼音 [jīngshòujīng]
精受精 英文
polyspermism
  • 精 : Ⅰ形容詞1 （經過提煉或挑選的） refined; picked; choice 2 （完美;最好） perfect; excellent 3 （細）...
  1. Frequently the basal ovule, which is the last one to be fertilized would abort.

    最後受精的基生胚珠經常敗育。
  2. Allogamy cross - fertilization in plants

    異花受精：植物中的異體受精。
  3. Most plants are hermaphrodite, but have mechanisms such as self - incompatibility that promote allogamy

    許多植物是雌雄同體的，但它們存在自交不親和的機制，從而促進異花受精。
  4. Before anthesis wall of egg apparatus is complete ; most part of egg wall at the chalazal end disappears at the day of anthesis ; after frtilization ( 20h after pollinating ) egg wall becomes intact. the results suggest that rebuilding of wall is one of the early cytological events during fertilization

    結果表明，開花前藍豬耳的卵細胞的胞壁是完整的；開花時胚囊已發育成熟，此時卵細胞在合點端部分區域是裸的；受精后（大約授粉后20小時）卵細胞的胞壁恢復完整。
  5. Very few plants rely exclusively on autogamy

    在自然界中沒有一種植物是絕對的自花受精。
  6. Prevent and treat avitaminosis, such as anomalies in growth and constitutional weakness

    1 .改善受精率產卵率及孵化率
  7. Abstract : embryos at different developmental stages are obtained by transplanting ? xenopus laevis blastomere unclei to ? bufo raddei unfertilized eggs

    文摘:將非洲爪蟾胚胎細胞核移入花背蟾蜍成熟未受精卵后，得到了發育至各期的胚胎。
  8. The fertilized egg entered the 4 - cell stage in 2hlomin, and the 8 - cell stage in 2h20min. the fertilized egg entered the 32 - cell stage in 3hl2min, and the cells distributed in different layers. the fertilized egg entered the multi - cell stage in 4h05min and the early blastula stage in 5h

    1小時30分受精卵開始第一次分裂； 2小時10分進入4胞期； 2小時20分進入8胞期： 3小時12分進入32胞期，細胞出現分層現象； 4小時05分進入多細胞期； 5小時進入高囊胚期； 6小時50分進入低囊胚期。
  9. Larvae of s. canopus were hatched at 9. 5 - 11. 0 hrs post - fertilization at 25 ?. 5 ? and salinity 27 ppt

    5 、鹽度為27的條件下，冠瘤海鞘從受精卵到幼體出膜約需9
  10. The process that led to dolly began with the transfer of the nucleus of an adult cell to an unfertilized egg taken from a donor animal by a process known as cell fusion

    多利誕生的過程是這樣開始的：通過一個叫細胞合成的過程，把一個成體細胞核移植到一個取自供體動物的未受精的卵子上。
  11. Materials and methods the mouse, golden hamster and human sperm were incubated with endotoxin in different concentration for different time to get capacitation, respectively, and ar was induced by progesterone after capacitation, then the rates of capacitation and ar were detected by chlortetracycline ( ctc ) and hoechst 33258 fluorescent staining method. the medium was with endotoxin in different concentration in sperm - oocyte fusion step during ivf, then the fertilization rate was observed. the 1 - cell, 2 - cell and zona - free 2 - cell mouse embryos were incubated in the medium with endotoxin, then the rate of blastocysts was recorded

    方法取小鼠精子10份、金黃地鼠精子6份、人新鮮精液標本10份及人冷凍精液標本9份，分別與不同濃度內毒素共孵育進行體外獲能和孕酮誘導的頂體反應，應用金黴素和dna結合的熒光染料hoechest33258雙重熒光染色法檢測精子的獲能率和頂體反應率；小鼠體外受精實驗的精卵結合環節培養液中加入不同濃度的內毒素，觀察受精情況並記錄受精率；取小鼠1 -細胞胚胎、 2 -細胞胚胎和去卵透明帶2 -細胞胚胎，與不同濃度內毒素共孵育進行體外培養，觀察體外發育情況並記錄囊胚率。
  12. The flower structure in one tree was different, enforcing cleistogamy.

    同一株樹上的花結構不同，因而閉花受精是強制實現的。
  13. Degenerate oligonucleotides to highly conserved regions of cucumis melo 1 - aminocyclopropane - 1 - carboxylic acid ( acc ) oxidase gene were used to prime the amplification of fragment of 128bp by ploymerase chain reaction ( pcr ) in samples of genomic dna from fruit of cucumis melo l. cv hetao flesh, which was cloned into plasmid vector pmd - 18 - t. the clon of antisense orientation were selected, and it was inserted downstream of camv35s promoter and enhancer " " of tmv into the plant expression vector pbinyxw, antisence expression vector pbinya was constructed. at the base that pollination and fertilization of cucumis melo l. cv hetao was studied, using pollen tube pathway transformate cucumis melo l. cv hetao, 76 fruit had been obtained, moreover, hardness and content of sugar were analysed

    本實驗以河套蜜瓜果肉基因組dna為模板，用甜瓜acc氧化酶基因特異寡核苷酸鏈為引物進行pcr擴增，得到128bp的擴增產物。將得到的擴增產物克隆到質粒載體pmd - 18 - t上，篩選反向克隆，然後將其反向構建到植物表達載體pbinyxw的camv35s啟動子和tmv增強子「 」的下游，構建成反義表達載體pbinya 。並在對河套蜜瓜授粉受精生物學研究的基礎上，通過花粉管通道法轉化河套蜜瓜，共獲76顆瓜，並進行了硬度和含糖量的分析。
  14. It has been known that the self-sterility of conifers results from embryo collapse after self-fertilization.

    業已知道，針葉樹自花不育是由於自花受精后胚凋萎。
  15. Most megadrile earthworms reproduce by normal cross-fertilization.

    大多數巨蚓的生殖是正常異體受精。
  16. The trichogynes show zygotropic curvatures.

    受精絲顯示出趨接合子的彎曲。
  17. 140min, chromosomes of the daughter cells are situated at metaphase of the second karyokinesis, while the daughter cells do n ' t separate

    120min ，染色體處于有絲分裂末期，分裂溝形成，受精卵徑裂為二細胞。受精140min ，再徑裂為4細胞。
  18. During the process of fertilization a zygote with the diploid set is produced

    通過受精作用使受精卵形成一個二倍體。
  19. He allowed these "enucleated" eggs to be fertilized by sperm from sea urchins of the genus echinus.

    他讓這些「無核」的卵跟海膽屬的海膽的精子受精。
  20. An egg cell removed from mrs. carr was fertilized in a laboratory dish with sperm from her husband.

    從卡爾夫人卵巢里抽出一個卵細胞和她丈夫的精子在實驗器里受精。
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