外源種 的英文怎麼說

中文拼音 [wàiyuánzhǒng]
外源種 英文
alien species
  • : Ⅰ名詞1 (外面) outside; external side 2 (外國) foreign country 3 (以外) besides; beyond; in ...
  • : 名詞1. (水流起頭的地方) source (of a river); fountainhead 2. (來源) source; cause 3. (姓氏) a surname
  • : 種名詞(姓氏) a surname
  1. The homology of deduced bdnf sequences is over 90 % among the three reptiles. but the bdnf sequence of tylototriton taliangensis with those of other three reptiles showed a little lower homology. finally, the homology of bdnf gene among the reptiles and the aves is higher than that among reptiles and in other species

    , 4個基因編碼區存在著高度的同性,除大涼疣螈同性偏低,另3bdnf基因同性高達90 ,並且其中的爬行動物bdnf基因與鳥類的同性高於其它物
  2. Semiquantitative analysis of lignin content in the culm by confocal laser scanning microscopy ( clsm ) showed that lignin contents are elevated in lodging - resistant varieties and this together with the anatomical features may provide higher culm strength resulting in increased lodging - resistance

    因此,在超高產小麥品的選育上,重視基因的引進,改進莖稈的結構特性及提高其木質素含量,可能是一個重要的選育方向。
  3. Compared to the prokaryotic gene expressing systems and mammalian gene expressing systems, insect gene expressing systems possess the stronger ability of the transcription and post - translation processing, which also has high production. we can anticipate it will be a kind of potent effective ectogenesis eukaryotic gene expressing system

    與原核表達系統和哺乳動物細胞表達系統比較,昆蟲細胞表達系統既有較強轉錄和翻譯后加工修飾能力,又有高表達量等特點,可望成為基因產業中一比較理想的真核基因表達系統。
  4. The structures and characteristics of several graphite samples are measured by means of powder x - ray diffraction ( xrd ), brunauer - emmer - teller ( bet ) surface area measurement, inductively coupled plasma ( icp ) spectroscopy, particle size analysis and electrochemical measurements. the effects of origin, structure, impurity, particle size, specific surface area of carbon materials on the electrochemical characteristics are studied. a synthetic graphite with abundant resources, low cost and favorable performance is determined as the raw material for modification of graphite

    採用xrd 、 bet 、 icp 、激光粒徑分析及電化學性能測試等方法,對國內典型石墨樣品的結構與性能進行比較,研究石墨材料的來、晶體結構、雜質含量、顆粒大小、比表面積等因素對其充放電性能的影響,確定一性能較好、價格低廉、來廣泛的普通人造石墨粉作為熱處理與摻雜改性、以及復合結構炭材料研究的原材料。
  5. The main differences in ldh exist in five stages from middle - gastrula to muscle construction, which showed four more bands ( ldh9 ", ldh10 ", ldh 11 " and ldh 12 " ) in the isozyme pattern of embryo activated by heterogeneous sperm than that activated by homogenous sperm

    而在est和me同工酶表達上,同和異精子激發的胚胎則幾乎沒有差異。對不同精子激發彭澤鯽雌核發育子代的生長效應研究,證實了異精效應的存在,發現海鯉精子是一激發效果較好的精子。
  6. Growth and development of animals were regulated by many factors including gene, environment, nutrition and endocrine. in endocrine system, growth hormone ( gh ) always taks up a centerlly regulative place. previous studies have shown that patients with gigantism or dwarfism have abnormal high or low plasma gh levels, respectively, and animals treated with exogenous gh markedly improved its growth. therefore, it is reasonable to enhance the levels of gh in plasma by some techniques will result in improvement of animal production performance

    在內分泌系統中,盡管任何一內分泌激素都不能單獨地調控動物全部生長和發育過程,不過生長激素在其中仍占據著中心調節作用的位置。已知,巨人癥患者生長激素水平極度的升高,而侏儒癥患者的生長激素水平則顯著地降低,同時,注射性生長激素可明顯地提高動物的生長速度,改善了動物的胴體組成。
  7. Yeast gs115, one kind of pichia pastoris, has been used to express varied heterologous proteins

    Gslls是畢赤酵母uichiapastoris )的一菌株,己被用於多蛋白的表達。
  8. Udp - glucuronosyltransferases ( ugts ) are glycoproteins localized in the endoplasmic reticulum that catalyze the conjugation of a broad variety of endogenous and exogenous lipophilic aglycon substrates ( such as bilirubin, steroid hormone and drugs, insecticide, etc ) with glucuronic acid using udp - glucuronic acid ( udpga ) as the sugar donor. ugts are a gene superfamily of phase ii drug - metabolizing enzymes, they are responsible for the glucuronidation of a significant number of different functional groups ( e. g

    Ugts能催化各各樣和內的親脂性糖苷配基底物與葡醛酸的結合,該反應是機體清除性(如藥物和殺蟲劑)和內性(如膽紅素和甾體激素)親脂性化合物的一個主要方式,也是藥物相代謝的重要方式。
  9. Research advance in technique of sweet potato meristem tip culture for virus - free

    激素對甘薯不同品莖尖培養與植株再生的影響
  10. In analyzing the neutron active detection, the neutron multiplication in the nuclear warheads induced by outer neutron source with different neutron energys is studied with numeral simulation, and the feasibility of through counting neutrons to determine the presence of high enrichment uranium ( heu ) in nuclear warhead has been proved. the method of detecting the warhead which contains heu pit by counting the released neut rons whose energy is higher than that of source neutron is studied. the feasibility of this method has been studied

    對幾主動探測核彈頭方法進行的研究中,首先對不同能量各向同性中子照射核彈頭的中子增殖行為進行了數值模擬,檢驗了用中子照射核彈頭后,通過測量瞬發中子在核彈頭中的增殖量,來證明核彈頭中高濃鈾存在的可行性;研究了用能量低於1mev的中子照射核彈頭,用測量核彈頭中裂變產生的高於中子能量中子數的方法探測核彈頭,通過數值模擬分析了可行性。
  11. Study of variation of microbes in night soil aerobic composting

    糞便好氧堆肥的微生物相變化研究
  12. There is another source of novelty.

    新事物的泉。
  13. Methods : ( 1 ) the segregation of foreign target gene in the t1 by histochmical gus assays ; ( 2 ) identification of pure line from transgenic tomatoes ( tl ) through examining gus expression in pollens in conjunction with pcr analysis of marker gene ( npt ) ; ( 3 ) the transcript levels of leetrl or leetr2 in anti - sense transgenic plants ; ( 4 ) the phenotypes of the transgenic plants in tomato during whole life cycle under ethylene - treated and non - treated conditions

    本研究以反義乙烯受體leetr1 , leetr2基因番茄t _ 0代子為實驗材料,利用gus基因表達研究基因的遺傳規律,並藉助于pcr技術對目的和標記基因的鑒定獲得轉基因t _ 1代材料。利用gus基因在t1花粉中的表達鑒定獲得轉基因純合植株。研究了轉基因後代的生長發育模式、對乙烯敏感性,以及靶基因的表達特性,初步探明了它們在乙烯受體系統中的功能。
  14. Our company is a foreign enterprise specialized in processing every kind of slabs and technological stone products at home and abroad, stone project design, decoration for buildings, self - produce to for import and export, technological consultation service, etc. our company keeps developing with fine quality and high speed of various imported granite and marble depend on advanced technique and management service system

    南安吉洲石業有限公司是集國內板材和石材加工石材工程設計室內裝飾裝修技術咨詢服務?一體的臺資企業。公司按國際標準將所有的業務流程均採用電腦化作業,始終以市場?導向,以顧客的需求?導向,憑著得天獨厚的花崗巖大理石資優勢,依靠先進的技術和管理服務體系,以高質和高速的發展。
  15. The results are as follows : exogenous hormones enhance hft gene expression. sequence alignment suggests hft ( hyacinthus forkhead transcription factor ) is a novel gene. its expressing level was enhanced by the hormones, and lower level were maintained in explants uncultured or cultured without hormones

    激素提高hft基因的表達水平, hft在植體接于含有生長素和細胞分裂素的ms培養基上培養24小時、 5天、 10天和15天的材料中均表達,並且其表達水平逐漸增高。
  16. 3. the fixing quantity of ammonium in soils tested increased with the increasing of the fixation time, and the fixation rate was the largest at the beginning several hours. the releasing amount of fixed nh / in soils tested increased with the incubation time, and the velocity of fixed - nh4 + - release was very slow

    供試土壤對銨離子的累計固定量隨時間的延長而迅速增加,反應以開始階段固定速率最大,由同母質發育的酸堿度不同的土壤對銨離子的固定能力不同。
  17. This article reviews and rethinks the three different but crossed approaches to integrate language - the approaches of being european, being classical chinese and being oral dialect, and then comes to the conclusion that the combination of all language resources is still the direction to the modern chinese literature in the new century

    文章對現代漢語文學「歐化」 、 「文言」 、 「方言口語」三條互異而交叉的語言整合路向進行了梳理和反思,並認為對「古今中」各語言資的「雜糅調和」依然是新世紀現代漢語文學前行的方向。
  18. The volatile oil of a. thaliana transferred with mint total dna was analyzed by means of gc - ms. two transgenic plants were measured to contain menthol component in 250 plants of tl generation and one plant in then * 267 progenies, which provided explicit evidence for ion beam - mediated polygenic character transmission between distant species. two conclusions were drawn : one was that multiple genes controlling the same trait could be transformed into the receipt and efficiently expressed, the other was that the transferred new character was hereditary, i. e., the genes controlling the new character could inherit

    用gc - ms分析了離子束介導薄荷全dna轉化的擬南芥菜個體的揮發油成分,在250個轉化當代植株中有兩株被測出含有薄荷醇,在這兩株的267個t2代植株中仍有1株被測出含有薄荷醇,該實驗為離子束介導全dna轉化實現物間多基因復雜性狀的轉移提供了明確的證據。
  19. Influence of some exterior hormones on sprout of flat onion

    激素對韭蔥子發芽的影響
  20. We can use an alternative strategy to predict when congestion is about to happen, and reduce the rate at which hosts send data just before packets start being discarded

    人們對于擁塞的另選擇是採取擁塞避免,即在擁塞將產生時就預測到,在分組被丟棄前降低信的發送速率。
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