純合體 的英文怎麼說

中文拼音 [chún]
純合體 英文
(由純合子發育而成的個體) homozygote純合體交配 incross
  • : 形容詞1 (純凈; 不含雜質) pure; unmixed 2 (純粹; 單純) simple; pure and simple 3 (純熟) skil...
  • : 合量詞(容量單位) ge, a unit of dry measure for grain (=1 decilitre)
  • : 體構詞成分。
  1. Complex vertebral malformation ( cvm ), a lethal autosomal recessive inherited defect in holstein breed, was newly reported in demark

    摘要荷斯坦奶牛脊柱畸形綜征是近年新發現的一種常染色隱性遺傳病,該病對子胎兒是致死性的。
  2. An allele that, in a heterozygote, prevents the expression of another ( recessive ) allele at the same locus

    生物與顯性純合體生物具有相同的表現型。
  3. Strain bl21, and gene expression was induced by iptg. the target proteins were directed into the periplasmic space by the staphylococcal protein a signal sequence preceding the rgd - hirudin gene. using ion exchange chromatography and gel filtration chromatography, the chimera proteins were purified, and both of them showed a single band in tricine - sds - page. the results of activity analysis suggested that these two chimera proteins not only have antithrombin activities, but gain platelet aggregation inhibitory activities as well

    通過離子交換層析和凝膠過濾層分別對兩種嵌蛋白進行化,化產物在tricine - sds - page中都顯示為單一條帶。活性分析結果表明兩種嵌蛋白在保留水蛭素抗凝血酶活力的同時,還呈現抗血小板聚集活性。
  4. 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leetr1 , leetr2基因番茄t _ 0代種子為實驗材料,利用gus基因表達研究外源基因的遺傳規律,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植株。研究了轉基因後代的生長發育模式、對外源乙烯敏感性,以及靶基因的表達特性,初步探明了它們在乙烯受系統中的功能。
  5. Homozygous races do not segregate on selfing.

    受精不能分離的生理小種。
  6. The factory is specialized in the manufacture of the whole set of testing equipment fo gas - vase ( do not sew, fuse, liquefied petroleum gas, natural gas etc. spirit bottle ), various air infuses set, remitting to flow row and to infuse tongs ; the stainless steel is four fluorine soft tubes, the industrial air ( the pack ) gathers to pack, modernizing industrial factory premises concentration to provide spirit system and assisting a piece : decompression machine, safe valve, allotment box ; and standard air, hybrid air, special kind air, high install craft device purely and gaseously ; the automation cuts over, going together with to compare to equip automatically ; various air valve door and accessories, spirit bottle enclosure ; the low temperature equipments liquid pump ; vaporize a machine ; the low temperature closes valve ; the ripples takes care of to wait a series product

    本廠專業設計生產製造各種氣瓶檢驗成套設備(無縫,溶解,乙炔,液化石油氣,天然氣等氣瓶) ,各種氣充灌臺,匯流排及充灌夾具;不銹鋼四氟軟管,工業氣(充裝)集裝箱,現代化工業廠房集中供氣系統及輔件:減壓器,安全閥,分配箱;以及標準氣,混,特種氣,高的配置工藝裝置;自動化切換,自動配比裝置;各種氣閥門及配件,氣瓶附件;低溫設備液泵;汽化器;低溫截止閥;波紋管等系列產品
  7. Homogenous lines can be obtained in a very short time by haploidy breeding method such as microspore culture and anther culture

    摘要通過單倍育種途徑可快速獲得材料,增加有益性狀的選擇幾率,加快育種進程。
  8. The resulting plasmid, named prok - sod2, was mobilized to agrobacterium tumefaciens strain gv3101 used for plant transformation. the yeast sod2 gene was introduced into arabidopsis thaliana ( ecotype landsberg erecta ) by agrobaterium tumefaciens - mediated transformation with floral - dipping method under the control of camv 35s promoter. transformants were selected for their ability to grow on medium containing kanamycin ( 30mg / l ), several homozygous lines that were all tolerant to kanamycin were selected and used for further molecular and physiological determination

    本實驗將sod2基因構建到植物表達載prok中,導入農桿菌后,進行植物遺傳轉化,實現其在擬南芥中過量表達,在含30mg l的卡那黴素的培養基上篩選獲得轉基因株系,自交一代獲得足夠的和轉基因種子后,對其進行了分子生物學的驗證及生理指標的檢驗。
  9. Inbreeding increases homozygosity so that deleterious recessive genes are expressed more often in the phenotype, and decreases heterozygosity and hence the potential genetic varability of the population

    近親交配使純合體幾率增加,因此,一些有害的隱性基因可以被表達。
  10. The probability of homozygosity by descent ( having common ancestors )

    就是說某一個兩個等位基因來源於同一祖先的概率。
  11. Our research obtains absolute fluent incipience and general incipience information of sand thickness field and velocity field. firstly proposed a conclusion that the ratio of incipient efficiency on fluent and general incipience varies with wind speed

    本文分析了起動和綜起動條件下沙粒的濃度場和速度場信息,發現了兩種起動的效能比隨風速的變化關系。
  12. In order to select male nucleo - sterile new genotype, a tentative idea was put forward for the nucleo - male sterility to attach a tps ( thermo - photoperiod sensitivity ) and a selection strategy of combination of selection and identification, at the same time, the spring and summer sowing method were used to provide different environment conditions of appraising sterility and tps. the results indicated that ( 1 ) sterility could be appraised under the spring sowing environment and tps could be appraised under summer sowing environment. ( 2 ) under spring sowing environment, sterility could be selected, but not maintained. thereby, lines selected could only be selected as recorded selection method in the experiment. ( 3 ) and then, selection was carried out from spring sowing line selected into summer sowing in same line with tps to select plants. these plants through the intercrossing selection had been combined with sterility and tps. in this way, a new selection protocol for selection sterile line with tps was formed. it mainly involves the spring and summer sowing method, recorded selection method and the intercrossing selection method

    為了選育新類型玉米雄性核不育系,提出了為玉米核不育性添加溫光敏感性的設想和選擇與鑒定相結的策略,同時應用分期播種的方法為作物提供不同的生長和發育的環境條件,以鑒定玉米雄穗的育性變化和對不同環境條件溫光的反應.研究結果表明,春播環境下可鑒定和選擇玉米的不育性,夏播環境下可鑒定和選擇其溫光敏感性.針對玉米核不育性難以找到保持系的特性,結兩種播期選擇兩種性狀.但春播環境下選擇的不育性群難以通過選擇單株來保持其不育性,為記錄性群選擇.通過從春播入選的雜不育性優良株系群轉移到其對應的夏播溫光敏感性入選的同一優良群中進行優良單株選擇,能逐漸使不育性和溫光敏感性相結而選育出溫光敏不育系.這種新的選擇程序主要包括應用分期播種法、記錄性選擇法和春夏兩季交叉式選擇法,使含有不育基因的可育株系逐步累積不育基因並增加了溫光敏感性而育成玉米溫光敏不育系
  13. Methods comparing the effect of tcm plus autoepidermal graftion and autoepidermal graftion only

    方法以口服中藥聯表皮移植與單表皮移植治療白癜風的療效進行比較。
  14. Their frequencies of gus expression in pollens were 97. 755 % 0. 800 % and 96. 556 % 0. 600 % respectively. to verify these results, the self - pollinated progenies of these two putative homozygotes were examined in t2 by histochenmical gus staining of vegetative tissues and pcr analysis using specific primers

    ( 2 )通過對轉基因t1代的花粉gus基因表達檢測,快速鑒定和篩選得到了番茄植株,加速了純合體篩選的進程,證明此方法可靠,而且不會造成大量寶貴材料的浪費。
  15. Compared with pure pmma, the thermal and mechanical properties of the nanocomposites are obviously improved at a very small amount of mmt ( ommt ) loading. the tgs of the composites via different methods are improved by 10 ~ 26 ?, the decomposition temperatures at weight loss of 5wt % are increased by 42 ~ 99 ?. in the bulk system, tensile strength, tensile modulus and impact strength are improved by 32. 2 %, 60. 3 % and 68. 6 %, respectively, without the loss of light transmittance

    相對于pmma系,懸浮法、乳液法及本法復材料的t _ g值提高了10 26 ;后兩種復材料熱失重5wt的溫度提高了42 99 ;而本法復材料的拉伸強度、拉伸模量及沖擊強度值最大分別提高了32 . 2 、 60 . 3和68 . 6 ,而透光性能基本未受影響。
  16. Results it has shown that the thera peutic efficiency of tcm plus autoepidermal graftion was better than that of autoepidermal graftion only, the difference was signif icant ( p 0. 05 )

    結果口服中藥聯表皮移植與單表皮移植組(時照組)治療白癜風的療效比較差異有顯著性意義( p 0 . 05 ) 。
  17. It was found that in the case of non - isothermal crystallization, the onset and maximum crystallization temperatures of the nylon 6 of the nanocomposites are increased, while the crystallinity and crystallization growth rate is reduced

    在非等溫條件下,尼龍6石墨納米薄片復系的結晶起始溫度以及最大結晶速率時的溫度均比尼龍6有明顯的提高,但結晶度以及結晶速率卻出現下降。
  18. The pure hardware circuit design in the composited experiment on electronics technology

    電子技術綜實驗中的設計
  19. The main content is : 1. through the pan evaporation experiments, in which the effects of wind speed, area and mass on the evaporation process has been studied, it is found that the behaviors of mixed and pure liquids have different characteristics, which cannot be explained by the theory of boundary layer control and basic evaporation

    主要內容有: 1 、本文用淺盤蒸發法考察了風速、蒸發面積和初始質量對油蒸發過程的影響,發現混蒸發與蒸發行為有不同特點,將蒸發分為邊界層控制步驟和基本蒸發不足以反映其蒸發特點。
  20. In the present dissertation, five commercial metallic materials ? tungsten alloy ( 93w ), oxygen free copper ( ofc ), titanium alloy ( tc - t ), pure aluminum ( al ) and magnesium alloy ( mb2 ) were chosen as the composite system of the flier - plate with graded wave impedance, and their acoustic and mechanical parameters were measured. the thickness of each material was controlled so that flier - plates with a parabolic or cubic wave impedance distribution were designed

    依據實現準等熵壓縮和超高速發射對梯度飛片系的理論要求,論文首先在一個較寬的波阻抗變化范圍內,確定鎢金( 93w ) 、無氧銅( ofc ) 、鈦金( tc _ 4 ) 、工業鋁( al )和鎂金( mb _ 2 )五種綜性能良好的金屬和金材料作為波阻抗梯度飛片的復系,並測量了材料的相關聲學和力學參量。
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