cleavage rate 中文意思是什麼

cleavage rate 解釋
卵裂速度
  • cleavage : n. 1. 劈開，劈裂；劈開處。2. 【生物學】卵裂；分裂；【礦物】解理，劈理。
  • rate : n 1 比率，率；速度，進度；程度；（鐘的快慢）差率。2 價格；行市，行情；估價，評價；費，費用，運費...
  1. Background : in - vitro maturation ( ivm ) of human oocytes would be an attractive alternative to gonadotrophin stimulation for in - vitro fertilization ( ivf ). it could avoid the complications of gonadotrophin stimulation and reduce the cost of drugs. however, the efficiency of existing ivm technique is suboptimal because embryos resulting from ivm oocytes exhibit frequent cleavage blocks and low implantation rate

    研究背景：近20年來，輔助生育技術有了突飛猛進的發展，體外受精、卵漿內單精子注射技術（ intracytoplasmicsperminjection ， icsl ）和種植前遺傳學診斷技術的成熟標志著人類生殖醫學進入了嶄新的領域，但同時也不能否認，在這一領域中還存在諸如妊娠率低、藥物副作用和多胎率高等問題。
  2. 4 ) after the activated nuclear transfer embryos had been cultured in m199 ^ and czbm for 48h, the cleavage rate can reach at 16. 41 % and 17. 41 %, and the morula rate were 7. 46 %, % and 6. 74 %, respectively

    08融合率：血請饑餓法和nocodazole法處理的供體細胞構建的重組胚胎，經6 dmap乙醇ccb激活，分別獲得17 33o和17 02o的卵裂率以及6
  3. The percentage of oocytes cleaved and formed pronucleus in either 0. 625 ( ag / ml or 1. 25ug / ml chx group was significantly higher than the control group ( p < 0. 05 ). however, when the concentration of chx was increased to 5 ug / ml, the cleavage rate and pronuclear formation rate were decreased significantly ( p < 0. 01 )

    結果培養在0 . 625和1 . 25 g mlchx的卵母細胞的激活分裂率和總原核形成率明顯高於對照組（ p 0 . 05 ） ，而培養在5 g mlchx的卵母細胞的激活分裂率和原核形成率則極顯著低於對照組（ p 0 . 01 ） 。
  4. There were no significant difference in fusion rate, cleavage rate and blastocyte development rate with different enucleation time of oocytes during ivm16 - 24h ( p > 0. 05 )

    在體外成熟16 24h期間，水牛卵母細胞去核時間的不同對核移植后的融合率，分裂率和囊胚發育率沒有顯著影響。
  5. The local recent years also have opened the exhibition this research in a handful of laboratory. to find out implatation rate, prenancy rate and multiple - gestation pregnancy rate of blastocyst transferred, we adopted sequential culture system method in this study, 30 cases were performed blastocyst transferred and 30 cases were performed cleavage stage embryos transferred

    本實驗採用序貫培養的方法，對30例ivf - et的患者進行囊胚培養及移植，並與30例在胚胎卵裂期移植的ivf - et患者作配對研究，以探討囊胚培養及移植的種植率、臨床妊娠率及多胎妊娠率。
  6. Influence of loading rate on critical event of cleavage fracture in notched specimen of low alloy steel

    加載速度對低合金鋼缺口試樣解理斷裂臨界事件的影響
  7. In the second part, the influences of la on micronucleus rate were observed by using the rat marrow cell micronucleus test. and the cleavage action of la on genome dna were studied too. the results manifest that a certain concentration of la can increase micronucleus rate obviously and induce the cleavage action and structural change of genome dna

    （二）採用小鼠骨髓細胞微核檢測技術研究了稀土元素鑭對微核率的影響，同時採用體外培育技術和紫外分光光度法研究了鑭對基因組dna的斷裂作用，結果表明一定濃度的鑭能引起微核率顯著升高，並可導致基因組dna的斷裂以及結構的改變。
  8. There was no significant difference between the fusion rates of reconstructed embryos. the cleavage rate of embryos reconstructed with c57bl / 6j oocytes was significant high than that of kunming albino, but the former only developed to 4 - cell stage ; the later could develop to blastocyts. it is implied that the oocytes of inbred mouse cannot support the long - term development of kunming es cell

    兩種重構胚的融合率之間沒有顯著差異（ p 0 . 05 ） ， c57bl 6j重構胚的卵裂率（ 60 . 5 ）明顯高於昆明白小鼠（ 33 . 7 ） ，但是前者只發育到4細胞期，而後者可以發育到桑椹期和囊胚期（ 2 . 3 ） 。
  9. The cleavage rate of oocytes at 18 - 19h after hcg injection was clearly higher than those at 12 - 13h and 15 - 16h after activation ( 71. 67 % vs 7. 50 % and 55. 83 %, p < 0. 01 ). the rates of avtivation, cleavage and development of blastocysts after 22h started to fall, but with no difference with those of 18 - 19h ( p > 0. 05 ). to sum up, the optimal electric stimulation conditions of mouse oocytes at 18 - 19h after hcg injection is 2. 0kv / cm direct current field strength, 80us pulse duration, 3 times pulse and 0. 3mol / l mannitol medium with 0. 1 mmol / l cacl2 and 0. 1 mmol / l mgso4

    880和12 50o ） ，但與18l的卵母細胞組無明顯差異o 0刀5 ） 。綜上所述，在本實驗室條件下，以含ca刀、 mgh的甘露醇溶液為激活液，採用2刀by cm強度、 80呷脈寬、連續3次脈沖（每次間隔10min ）刺激注射hcg后18二9h的小鼠卵母細胞，可獲得較為理想的激活效果。
  10. The enucleated rates can reach at 87. 06 %. 3 ) three activated methods may effectively activate the black bear - cat reconstructed embryos. whereas activated effect of ethanol + 6 - dmap + ccb is more effective, the cleavage rate and the development rate to m

    重組胚在3種培養液中的發育能力有差異t 0刀引， m199成熟培養液比dmem12 、 m16更能支待重組胚胎的卵裂和桑棋胚發育，卵裂率和桑堪胚發育率分別為63
  11. Compared with the cytoplasts matured in the maturation medium directly for 16 ~ 18h, the fusion rate, cleavage rate and blastocyst development of reconstructed embryos from oocytes cultured in 2mmol / l 6 - dmap for 3 - 5h prior to ivm did not differ significantly from that of reconstructed embryos from oocytes matured in the maturation medium directly for 16 ~ 18h

    水牛卵母細胞先經水牛卵母細胞孤雌激活與體細胞核移植的研究6 dmap抑製成熟培養3 sh ，再在正常成熟培養液中成熟培養16 18h 。結果發現，與直接在正常成熟培養液中成熟培養16 18h的卵母細胞相比，其融合率，分裂率和囊胚發育率均無顯著影響。
  12. These results indicated that chemical treatments may cleavage the linkages between lignin and polysaccharides, and between monomers of lignin, which results in the decrease of compositions of lignin in primary and secondary wall of rice straw, and hence increases the degradation rate of secondary wall and degree of primary wall degradation observed under histological investigation

    上述結果表明，化學預處理通過破壞木質素與結構性多糖、木質素單體之間的連接，導致細胞壁各層的木質素組分不同程度的下降是化學預處理后稻草亞細胞結構變化的化學基礎所在。
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