胎生性 的英文怎麼說
中文拼音 [tāishēngxìng]
胎生性
英文
viviparity-
The presence of any congenital anomaly, abruption, and cord complications were associated with antepartum stillbirth in both races
任何先天性畸形、分裂、合併癥是白人及非裔美國人發生產前死胎的危險因素。The primary results showed : using m199 as diluents containing 20 % bovine serum, it is better to freeze the cells slowly freezing at fist then increase freezing speed ( for example, from 0 to - 6 freezing speed is about - 0. 05 a minute, from - 6 to - 40, freezing speed is about - 0. 5 a minute ), studies on effect of various concentration of dmso demonstrate that about 12. 5 % dmso gave the highest post - thaw percentage of viable cells. the concentration of bovine serum had no different effect on the percentage of the viable embryo cells of misgurnus auguillicaudatus. the embryo cells derived 6 from the later stage of blastula offish is more resistant to the cryogen than the cells of early stage of blastula. the cells preserved in liquid nitrogen at - 196 were thawed and cultivated, a few cells were found adhere to the surface of culture vessel when the percentage of viable cell was more than 30 %. the cells in only two culture vessels were found to proliferated and gave rise to many small morphologically undifferentiated cells
研究初步表明:以細胞培養液m199 （含2既的小牛血清，常規量雙抗）為凍存稀釋液對泥鰍胚胎細胞冷凍保存宜採取先慢后快的方式（例如，從0一一6 ，凍存速度為一0 . 05 / min ，再以一0 . 5 / min的速度從一6一一40 ） ; dmso的保護效應濃度為12 . 506左右;小牛血清的濃度對泥鰍胚胎細胞的成活率影響不明顯;囊胚晚期細胞抗凍性比中早期強;通過對不同批次的凍存細胞解凍培養，解凍后成活率為30 %以上細胞培養數天後均有少數細胞貼壁，但只發現兩瓶培養細胞有明顯增殖現象產生許多未分化的小細胞。Alphafetoprotein production is only seen in liver cell carcinoma.
甲胎蛋白的產生只見于肝細胞性肝癌。Petroleum coumarone - indene resin is rubber soften produced according to customers demand. it is widely used in common tyre, shoes - making industry having advantages for charcoal s disperse and improvement of processing function during rubber processing. its appearance is puce color and solid
石油古馬隆樹脂是為了廠家的需求，生產的橡膠軟化劑，在橡膠加工過程中，有利於炭黑的分散，改善加工性能，它廣泛用於一般輪胎、製鞋等行業。The fat-soluble vitamins(a, d and e)seem to be impeded by the placenta.
似乎胎盤阻礙脂溶性維生素（A，D和E）的通過。During male gametogenesis, the spermatogonia became primary spermatozoa through mitosis, and then became fourth equivalent cytoplasm, round sperm through meiosis. after maturation, they participated in embryo development with the mature oocyte through fertilization. but in female gametogenesis, the primary oocyte formed a matured egg and 1 ~ 3 polar bodies ( pb )
雄性動物精子發生過程中精原細胞最後一次有絲分裂形成二倍體精母細胞后，經過兩次減數分裂形成了四個含等量細胞質、圓形的精子細胞，最終發育成四個具有正常生理功能的精子，與成熟卵母細胞受精后參與胚胎發育。Abstract : the early embryo developmental block is a common phenomenon in mammal when embryos are cultured in vitro. many studies of phosphorus, glucose, hypoxanthine and cytoplasmic factors on early embryo developmental block carried out by different methods such as morphology, biochemistry, molecular biology and micromanipulation have been reviewed. the merit and shortcoming were analyzed and the necessity of using simple or components limited media overcoming early embryo developmental block were also reviewed. media that have been shown effective in overcoming early embryo developmental block in mouse, rat, hamster, rabbit, pig, sheep, cattle and monkey were listed
摘要哺乳動物胚胎在體外培養中普遍存在早期發育阻滯的現象.對此，人們用形態學、生物化學、分子生物學、顯微操作等手段開展了磷酸、葡萄糖、次黃嘌呤和細胞質因素對早期胚胎發育阻滯的影響的研究.本文綜合分析了共培養系統的優缺點.說明了採用完全成分已知的培養液對進行有關研究的必要性.列出了有效運用於克服小鼠、大鼠、倉鼠、兔、豬、羊、牛、猴等動物早期胚胎阻滯的成分已知的培養液的名稱。I believe in its indivisibility, in the intimate connection between the newest bud of spring and the flicker in the eye of a patient near death, between the athlete in his prime and the quadriplegic vet, between the fetus in the womb and the mother who bears another life in her own body
我相信生命的一體性，在初春的新芽和臨危病人眼前最後的一絲殘光之間，在正處於事業高峰的運動員和四肢癱瘓的病人之間，在安睡于子宮中的胎兒和用自己的身體孕育著另一個生命的母親之間，都存在著微妙的聯系。In order to understand how darwin builds a long argument to persuade readers to believe his evolutionary theory is better than creationism and lamarck ' s transmutation theory, one needs to know the emergence of this revolutionarily scientific theory is not only related to geology, paleontology, comparative anatomy, morphology, and embryology but also connected with his contemporary background of religion as well as economy
這門課擬從科學史的觀點，來帶學生閱讀與討論達爾文《物種源始》這本科學文本，了解此一個革命性的科學理論的生成，不但涉及地質學、古生物學、比較解剖學、形態學、胚胎學等自然學科，也關連到宗教、經濟等人文與社會面的諸多背景，進而認識達爾文如何在此書中建構論證與說服讀者相信他的演化論優于當時與其競爭的神創說和拉瑪克的理論。Twin ligers ping ping and an an, a male and a female, were delivered by huan huan on may 2, 2005. they are now the oldest surviving ligers in china
雙胞胎平平和安安分別是雄性和雌性.他們是由歡歡在2005年5月2日生的.平平和安安是目前中國健在的年齡最大的獅子虎了Uses : used in ceramic pigments, paint dryer, catalyst, analytical agent, forge and lithopone additives, alkaline battery and tyre adhesive, also used in plating and producing cobaltiferous pigments and other cobalt products
用途：用於陶瓷釉料和油漆催干劑，也用於電鍍、堿性電池、生產含鈷顏料和其他鈷產品，還用於催化劑、分析試劑、飼料添加劑、輪胎膠粘劑、立德粉添加劑等。The research leader, noreen maconochie, a senior lecturer at the london school of hygiene and tropical medicine said, " the findings related to low pre - pregnancy weight, previous termination, stress and change of partner are noteworthy, and we suggest further work be initiated in other study populations. " to have a miscarriage ; abort
研究小組組長倫敦衛生及熱帶醫學院高級講師諾琳麥克諾奇說： 「這些研究結果很有意義，體重過輕有過墮胎史壓力過大及與伴侶分居等易造成流產的幾個因素應引起女性的注意，同時我們希望這一研究能盡快在別國進行。 」The research leader, noreen maconochie, a senior lecturer at the london school of hygiene and tropical medicine said, " the findings related to low pre - pregnancy weight, previous termination, stress and change of partner are noteworthy, and we suggest further work be initiated in other study populations. " to have a miscarriage ; abort the ratio of probability of the occurence of an event
研究小組組長倫敦衛生及熱帶醫學院高級講師諾琳麥克諾奇說： 「這些研究結果很有意義，體重過輕有過墮胎史壓力過大及與伴侶分居等易造成流產的幾個因素應引起女性的注意，同時我們希望這一研究能盡快在別國進行。 」The research leader, noreen maconochie, a senior lecturer at the london school of hygiene and tropical said, " the findings related to low pre - weight, previous termination, stress and change of partner are noteworthy, and we suggest further work be initiated in other study populations.
研究小組組長倫敦衛生及熱帶醫學院高級講師諾琳麥克諾奇說： 「這些研究結果很有意義，體重過輕有過墮胎史壓力過大及與伴侶分居等易造成流產的幾個因素應引起女性的注意，同時我們希望這一研究能盡快在別國進行。 」The research leader, noreen maconochie, a senior lecturer atthelondon school of hygiene and tropical medicine said, thefindingsrelated to low pre - pregnancy weight, previous termination, stressand change of partner are noteworthy, and we suggest furtherworkbe initiated in other study populations
研究小組組長、倫敦衛生及熱帶醫學院高級講師諾琳?麥克諾奇說： 「這些研究結果很有意義，體重過輕、有過墮胎史、壓力過大及與伴侶分居等易造成流產的幾個因素應引起女性的注意，同時我們希望這一研究能盡快在別國進行。 」And the viviparous plantlets of both species are formed for the differentiation of floral primodium, but the position if viviparous plantlets is different. for the species of polygonum viviparum l., the viviparous plantlets are formed in the inflorences, while in saxifraga cernua l are in the leaf axils. on the results of observation for morphology and anatomy, vascular bundles of viviparous plantlet are connected with that of their parent
從來源和性質看，二者的胎生苗均由花原基直接分化形成；但從位置上看，珠芽蓼在花序中形成胎生苗，而珍珠虎耳草則在地上莖的葉腋部位形成胎生苗；從形態解剖角度觀察，胎生苗的維管束與母體的維管束直接相連，胎生苗脫落時，其上已長出葉片1 - 3枚。We investigated early growth and mortality of k. candel seedlings under the mangrove canopy and bare tide flat across a tidal gradient
這說明胎生紅樹植物的繁殖體脫離母體后幼苗的生長對母體的一種依賴性。Length, diameter, density, fresh weight, dry weight, water content, osmotic potential and element concentrations ( ca, mg, na, k, cl ) were determined for each. seedling of b. gymnorrhiza and a. corniculatum were cultured for 60 days on various salinity of seawater ( 0, 5, 10, 15, 20, 30, 40, 50 ) in green house. samples were taken at 3, 7, 11, 15, 22, 30, 45 and 60 days after planting, separated into root, hypocotyl, stem and leaf
本文研究了福建九龍江口木欖和桐花樹胎生繁殖體從果實形成到發育成熟過程中形態、生物量、含水量、胚軸密度、滲透勢、五種主要礦質元素（ ca 、 mg 、 na 、 k 、 cl ）等的變化和溫室內人工鹽度梯度栽培下木欖和桐花樹成熟繁殖體長成幼苗（ 0 60d ）過程中形態、生物量、含水量、滲透勢、光合蒸騰特性、五種主要礦質元素（ ca 、 mg 、 na 、 k 、 cl ）等的變化；並且在野外自然條件下，跟蹤調查不同灘塗位置下秋茄成熟繁殖體定居成活、自然死亡狀況以及測定幼苗生長過程中（ 1年）形態、生物量、含水量、光合蒸騰特性等的變化。The average age of first - time mothers, rising year on year, stood at 29. 8 years
法國女性頭胎生育的平均年齡逐年上升，目前已達到29 . 8歲。Especially in the recent years scientists had some evidences showing new born neurons in some brain areas of adu1ts, or having new born neurons expressing products. this phenomenon can be detected in some species from birds, rats and primates, therefore it induce chal1enge of traditiona1 theory of embryo - - derived neurogenesis
最近幾年科學家們研究證實成年腦的某些區域仍有神經元再生，這種現象從鳥類、鼠類及靈長目動物中的若干腦區都可以觀察到，從而對神經發生是胚胎源性的傳統理論提出了挑戰。分享友人