胚種論 的英文怎麼說
中文拼音 [pēizhǒnglún]
胚種論
英文
panspermia-
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。Embryonic stem cells ( esc ) are undifferentiated totipotent cells that could be differentiated in vivo into any kind of cells theoretically, including germ cells
摘要胚胎幹細胞是一種具有發育全能性的細胞系,理論上能分化為包括生殖細胞在內的各種組織細胞。In addition, insulin - ir cell, chromogranin - a - ir cell, testosterone - ir cell and epithelial membrane antigen - ir cell were not detected in the digestive tract of alligator sinensis embryos. the kinds and the numbers of endocrine cells in the digestive tract and glands were less at early prenatal stages but increased greatly in the midterm of development. in the digestive tract of last prenatal stages, it was stomach that had the most endocrine cells and might play the most important role in regulating the growth and differentiation of the digestive tract, the duodenum was in the second place
縱觀揚子鱷胚胎消化道和消化腺內分泌細胞發生的情況,可得出如下結論: )胚胎發育早期,胰腺內分泌細胞的數量和種類較多,可能是早期胚胎重要的內分泌調控部位;胚胎中期消化道和消化腺內分泌細胞的數量和種類增加最多,是內分泌細胞分化發育的重要時期:胚胎晚期,以胰腺和幽門、十二指腸的內分泌細胞最密集,為孵出后的消化和吸收的功能調控做好生理準備。The quality of feeder layer is affected by a lot of factors, such as animal breed, culture medium, passages in vitro and experiment condition, etc. as to the production of feeder layer, there are a few reports about morphological and histologic change when of embryonic body fibroblast when culturing in vitro and cryopreservation, so kunming mouse were chosen as experimental animals and morphological and histologic changes were studied in course of its embryonic body culturing. we expect to offer theoretical foundation to our laboratory for setting up feeder layer storehouse. at the same time, the feasibility of myocardium tissue culturing with fibroblast layer altogether was studied so that established foundation for studied the biological characteristic of heart outside body
小鼠胚體成纖維細胞的培養是制備飼養層的重要途徑,其制備、傳代及冷凍保存均有不同的研究報道,飼養層的質量受許多因素的影響,如動物的品種、培養液、所傳代數及實驗條件等,關于飼養層制備過程中的胚體細胞培養、傳代、冷凍后的細胞形態、組織學等方面的研究報道很少,故本實驗以昆明小白鼠為實驗動物,研究其胚體培養過程中細胞的形態學、組織學等方面的變化,以期為本實驗室建立飼養層細胞庫提供理論依據,同時探討心肌細胞和成纖維細胞層共培養的可行性,以期為心臟生物學特性的體外研究奠定基礎。Scientists may be close to developing a way to create stem cells without destroying embryos in the process, but that won ' t necessarily end the political battles over the divisive issue
科學家們可能接近找到製造幹細胞的一種方法,這種方法在製造過程中不用損壞晶胚,但這不一定能解決政治上的爭論。In considering the origin of species, it is quite conceivable that a naturalist, reflecting on the mutual affinities of organic beings, on their embryological relations, their geographical distribution, geological succession, and other such facts, might come to the conclusion that species had not been independently created, but had descended, like varieties, from other species
關於物種起源,完全可以想像得到的是,一位博物學者如果對生物的相互親緣關系、胚胎關系、地理分佈、地質演替以及其他這類事實加以思考,那麼他大概會得出如下結論:物種不是被獨立創造出來的,而和變種一樣,是從其他物種傳下來的。Cea gene was transferred into human dcs, and specific anti - cancer effecs induced by the vaccine was observed. this test is part of my tutor ' s. hang you - tian has observed the induction of crcinembryonic antigen ( cea ) - specific cytotoxic t - lymphocyte responses in vitro when he transfected dcs with pcdna3 - cea, and has observed the immunity effects of the dcs ( pcea ) inoculateing against to ct 26 ( hcea + ) loaded in balb / c mice. after vaccination with the cea gene - modified dc, the survival time of the mice vaccinated with ct26 + ( cea + ) ws prolonged more potently than that of the mice vaccinatd with other dcs
癌胚抗原( carcinoebryonicantigen , cea )是一種研廠鄭州大學2002年碩士畢業論文轉染人癌胚抗原真核表達質粒的人樹突狀細胞的抗瘤作用究最為深入的腫瘤相關抗原( tumorassociatiednigen , taa ) ,在90的胃腸道腫瘤、 50的乳腺癌及70的非小細胞肺癌中有高水平的表達,是目前國際上公認的腫瘤標志物。As the deep study, more and more infected arthropods are being found. in this paper, the distribution of wolbachia in major trichogramma species ( t. dendrolimi, t. chiloni, t. evanescens, t. ostriniae and t. embryophagum ) in china is discussed
本論文系統研究了wolbachia在我國主要赤眼蜂種群(松毛蟲赤眼蜂t . dendrolimi 、螟黃赤眼蜂t . chiloni 、廣赤眼蜂t . evanescens和玉米螟赤眼蜂t . ostriniae以及從德國引進的食胚赤眼蜂t . embryophagum )中的感染情況。The theory that microorganisms or biochemical compounds from outer space are responsible for originating life on earth and possibly in other parts of the universe where suitable atmospheric conditions exist
有生源說,胚種論一種學說,認為來自宇宙空間的微生物或生物化學物是地球上生命的起源,並且在宇宙的其他部分可能有適合的大氣狀況存在Taken together, these results indicate that these genes are members of zinc finger transcription factor family and may be involved in the development of multiple embryonic organs
綜合這些基因的結構和表達特徵,我們可以初步得出一個結論:它們編碼的是參與多種人類胚胎器官發生的鋅指轉錄調控因子。Conclusions : embryonal rhabdomyosarcoma of the biliary tree, though rare, is the most common cause of biliary obstruction due to malignancy in childhood
結論:膽道胚胎型橫紋肌肉瘤極罕見,但小兒膽系惡性腫瘤多為該種肉瘤。For this reason, the most commonly discussed panspermia scenario involves the transport of microbes or their precursors from mars to earth
基於這個理由,最常受人討論的胚種說就是:微生物或其前驅物,是從火星送到地球的。In this dissertation, influences of various factors on plant regeneration and agrobacterium - mediated transformation of tall fescue embryogenic calli were systematically studied, and thereafter, stress tolerance - related cbf1 gene guided by constituent promoter camv 35s was incorporated into genome of this grass to obtain transgenic plants with increased stress tolerances
本論文在對高羊茅胚性愈傷組織植株再生與農桿菌介導遺傳轉化的多種影響因素進行系統研究的基礎上,將組成型表達啟動子camv35s引導的耐逆相關cbf1基因導入該草種的基因組,獲得耐逆性增強的轉基因植株。Our research used this laser system and its precise measurement software to make a all - round study on the relationship of zona pellucida thickness / hardness variation of human embryos and clinical pregnancy outcome following in vitro fertilization treatment and the application of laser thinning in assisted hatching. the purpose of this study was to try to provide the basic rationale for assisted hatching and an alternative assisted hatching method
本研究即為應用這種激光系統及其精確的測量軟體,對zpt 、 zptv與妊娠結局的關系、體外培養胚胎透明帶硬度的變化及激光薄化透明帶進行輔助孵出的臨床應用進行綜合研究探討,旨在為輔助孵出的病人選擇、方法選擇提供基礎與臨床理論依據。With the if and only if condition of the condition when a maximally isotropic subbundle is a dirac structure, we particularly discuss some lie bialgebroids and its dirac structures in the section three. moreover, we get the similar conclusions and theorems. from these, we know more properties of poisson - nijenhuis manifold
利用極大迷向子叢是dirac結構的充要條件,第三節詳細討論了poisson - nijenhuis流形上的幾種李雙代數胚及其上的dirac結構,並由此得到了一些poisson - nijenhuis流形上dirac結構的特殊性質。( 1 ) plant regeneration system of cucumber contyledonary node was established. ( 1 ) the cotyledonary node was regarded as optimal explant by comparing the differentiation frequency of 3 kinds of explants ( cotyledon, cotyledonary node and hypocotyl ). ( 2 ) by discussing the effect of pgr ( naa and 6 - ba ) concentration and combination on differentiation frequency of adventitious buds, we concluded that the optimal shoot induction medium is ms basal medium with 1mg / l 6 - ba ( ph5. 8 )
( 1 )黃瓜子葉節植株再生建立東北農業大學理學碩士學位論文一通過對比三種外植體(于葉、子葉節、下胚軸)的分化率,得出最佳外植體類型為子葉節;通過探討pgr ( naa 、 6 ba )濃度和配比對不定芽分化的影響,得出最佳芽誘導培養基為:卜1叭6 。The technology of embryonic stem ( es ) cell and animal cloning is two high technique which develop rapidly in an area of medicine and biology. it has great significance for the studies on basic theories of medicine and biology, and it will be applied wildly in many aspects
胚胎幹細胞技術和動物克隆技術是當今生物學和醫學領域發展非常迅猛的兩種高尖技術,它不僅對生物學和醫學領域的一些基礎理論的研究具有重要意義,而且具有十分廣闊的應用前景。This paper summarizes the research progress in vitrified cryopreservation of several animal tissues and cells, for example, pancreatic islet and oocytes of mouse, ovaries of rat, blastocysts and oocytes of bovine, embryos of pig and human, and the effect of different cryoprotectants, vitrification solutions and cooling procedures on survival rate
本文論述幾種主要組織細胞玻璃化凍存方法的研究及其進展,如小鼠胰島和卵巢、牛胚泡、牛卵母細胞、豬胚胎、人胚胎等,不同冷凍保護劑,玻璃化溶液和冷凍程序對細胞存活率的影響。75 % was injected in the tibialis anterior muscle of mice, three days later, cea dna vaccines were injected, each side 50 jag, with different adjuvant ( iss or pil ~ 2 ). there are 5 mice in each group. the control group was injected with pbs buffer in a dose of 50 ju 1
的布比卡因注射入mn幾小鼠勝前肌,在2鄭州大學醫學院2002研究生畢業論文癌胚抗原a疫苗構建及佐劑對其兔疫效應的影響注射后第3大分別接種濃度為ing ul的ceadna疫苗及相應佐劑口ss或gil 《廠每側50ug ,每組5隻小鼠,對照組注射50yi的pbs緩沖液。The paper summarizes research advances about the developments of somatic embryos in several conifers, which have appeared at home and abroad in recent years, mainly in the effects of medium components in tissue culture and aba on the development of somatic embryos, and cytology, programmed cell death, genes and protein composition related to the development of somatic embryos, and further discusses the developmental mechanisms of somatic embryos and the role of somatic embryos in genetic transformation system
本文綜述了近年來國內外有關裸子植物中幾種松杉類植物體細胞胚發育過程的研究報道,其中主要涉及培養基成分和脫落酸( aba )對體細胞胚發育的影響,以及體細胞胚發育在細胞學、細胞程序性死亡、相關基因和蛋白質組學等方面的研究進展,並進一步討論了松杉類植物體細胞胚的發育機理,以及體細胞胚在遺傳轉化系統中的作用。分享友人