base-pair 中文意思是什麼

base-pair 解釋
堿基對
  • base : n 1 基底，基，根基，底座；底層，底子；（紀念碑等的）基址；（山）麓。2 【軍事】基地，根據地。3 根...
  • pair : n （pl pair（s））1 一對，一雙，一套，（眼鏡等的）一副；（剪子等的）一把，（褲子等的）一條。 2 一...
  1. At the end of february, the bract attained approximately their full size, and a pair of anatropous ovules were initiated on the adaxial surface at the base of the fertile ovuliferous scale

    2月底，苞片體積不再發生變化，珠鱗膨大端的基部的近軸面分化出2個倒生胚珠。
  2. Conjugate acid - base pair

    共軛酸堿對
  3. Wobble base pair

    不穩定配對
  4. The base pair ratio, at : gc, is constant within a species but differs between species

    At : gc之間的堿基比具有種內特異性，但在不同種之間往往是不同的。
  5. Sequencing dna has come down in price by half annually, from $ 10 per base pair in 1990 to under a penny today

    資訊科技通常不要一年，價格表現比和產能就會增加一倍。
  6. The aligned length of 378 base pair ( bp ) partial sequences was available for the c - mos dna. sequences of an additional 11 gekkotan genera retrieved from genbank were also used in the analysis. ( 1 ) gekkota as well as eublepharidae, gekkonidae, pygopodidae, pygopodinae, diplodactylini ( sensu kluge, 1987 ) are monophyletic ; ( 2 ) diplodactylinae and carphodactylini are not monophyletic, and we propose to recognize three families within the pygopodidae sensu kluge ( 1987 ) : pygopodidae, carphodactylidae and diplodactylidae

    系統發生分析的結果提示： （ 1 ）壁虎類以及瞼虎科、壁虎科、鱗腳虎科、鱗腳虎亞科（ pygopodinae ）和刺尾虎族（ diplodactylini ） （ kluge ， 1987 ）各自都是單系的； （ 2 ）刺尾虎亞科（ diplodactylinae ）和藁趾虎族（ carphodactylini ）不是單系? ?的，建議將ki嗆e ）的鱗腳虎科改訂為以下三個科：鱗腳虎科（ pygopodidae ） ，鼓趾虎科（ carphodactylidae ）和刺尾虎科（ dipl 。
  7. The results indicated that the dimension, shape and purity of base material could meet the functional demand of solid lubricant ; the thermal decomposition temperature of ptfe resin exceeds 400 c, but organic and inorganic packing filler added in ptfe made the water absorption rate of composite material increased, melting temperature and decomposition temperature decreased, in the meanwhile oxidative decomposition reaction was accompanied ; polar groups such as c = o, c - o - c and so on in the carbon fiber surface is advantageous to increase compatibility with other components and interlayer shearing strength ; uniform design experimental method could help to find the relationship between formula and frictional property by relatively small tests. the developing trend of each formula ' s friction coefficient could be showed by fitting curve ; the friction coefficient with no copper powder or graphite in formula was relatively big. this fact showed that copper powder and graphite should be used cooperatively ; it was found that when the ratio of copper powder to graphite by weight is 15 : 60, 30 : 30 - 40 and 60 : 15 - 30 respectively, the friction coefficient was relatively small. the degree of crystallinity of pure ptfe reached maximum by air cooling and the abrasion loss also reached maximum among three ones ; at the same time, the abrasion loss of solid lubricant sample was also the biggest among three ones ; when solid lubricant matched with 45 # steel axle or gcrl5 steel axle, lubricant transfer film could be formed on metal surface, thus direct contact between the surface of metal friction pair rings was reduced. their working life was elongated extremely ; there was mainly much graphite, a little ptff, moo3, feso4, cus and so on in lubricant transfer film

    試驗結果表明：所選原料的尺寸、形狀及純度可滿足固體潤滑劑的性能要求；聚四氟乙烯樹脂熱分解溫度超過400 ，但在ptfe中加入無機填料會使復合材料吸水率提高，熔融溫度及分解溫度降低，且伴有氧化分解反應；碳纖維表面含有c = o及c - o - c等極性基團，有利於提高其與其它組分的相容性，提高層間剪切強度；均勻設計試驗方法能夠用較少的試驗次數找出配方與摩擦性能間的關系，擬合曲線基本能表示各配方的摩擦系數發展趨勢；配方中不加銅粉或不加石墨，其摩擦系數均較高，說明銅粉和石墨應該配合使用；當銅粉15份、石墨60份時，銅粉30份、石墨30 - 40份時，銅粉60 、石墨15 - 30份時，摩擦系數均具有較低值；純聚四氟乙烯樹脂在空氣冷卻時結晶度最大，磨損量也是三者中最大的；同時，固體潤滑劑試樣在空氣冷卻時的磨損量也是三者中最大的：不論是固體潤滑劑與45 #鋼軸配副或是固體潤滑劑鑲嵌入銅套后與gcr15鋼軸配副，在金屬表面均可形成潤滑轉移膜，從而減少金屬摩擦副表面間的直接接觸，大大延長其使用壽命;轉移膜中主要含有較多的石墨、少量聚四氟乙烯、 moo 。
  8. Nasa announced new details yesterday about its plans for a moon base that included a pair of small, pressurized rovers with a range of nearly 600 miles

    美國國家航空航天管理局昨天公布了月球基地計劃的詳細資料，包括一對小巧的、活動范圍將近600英里的密閉式漫步者探月車。
  9. Apoptotic peak. agarose gel electrophoresis showed that 185 - base pair ladder characteristic of the dna degradation that occurs in apoptotic cells induced by a

    電泳出現階梯狀條帶流式細胞儀檢測出現典型的凋亡峰，提示
  10. Researchers have also advocated assessing health risks within ethnic groups based on inherited variations in just one dna base pair

    研究人員也主張，僅僅根據一個dna堿基對的遺傳變異，就可以評估不同種族的健康風險。
  11. A pair of primers were designed and synthesized based on the published ge gene sequence of prv - rice strain for amplifying ge gene of prv min - a, yielding a 1. 7kb band. the segment was linked to puc19 plasma dna by means of t4 dna ligase, transformed into e. coli jm109 permissive cells, and incubated on lb fray containg amp, x - gal and iptg. small amount of plasma was extracted by base cleavaging for enzyme digest analysis and pcr, resulting in recombinant plasma puge dna containing prv ge

    用t _ 4dna連接酶使ge基因與經bamhi 、 kpni同樣雙酶切的puc19質粒dna連接；用連接產物轉化大腸桿菌jml09感受態細胞，置含amp 、 x - gal和iptg的lb平板上培養12 20小時；挑取白色菌落於選擇性培養基擴大培養，堿裂解法小量提取質粒dna ，並進行酶切分析鑒定，結果獲得整合有prvge基因的重組質粒pugedna ，並與其它prv分離株進行ge基因序列同源性分析。
  12. A pair of primers were designed according to the published sequence of gnrh2 ' s gene mrna and transporter gene with oligo version 4. 1 softwarre, they were annealed by their 3 ' terminal brief complementary base sequence to form small segment double chain, therery, they serve mutually as template and primer, and their extension were carried out to synthesize 90 bp " gnrh / trs

    本研究根據genbank中已發表的人gnrh2基因mrna序列以及轉運肽（ transporter ， trs ）基因核苷酸序列，藉助oligo4 . 1設計了一對寡核苷酸引物，以引物3末端的短互補序列退火形成小段雙鏈，從而互為模板和引物，通過引導合成長達90bp的gnrh trs序列gnrh trs 。
  13. And the third is solid - state store witch record the stereo picture - pair. this thesis is provided in four chapters. chapter 1 and chapter 2 describe base knowledge, chapter 3 discusses key techniques used in on - board stereo image processing system, and chapter 4 focuses upon the successful application

    數據圖像的獲取主要解決如何將像元數據從ccd相機輸出的數據流中提取出來；數據的組幀編碼主要負責將從三個ccd陣列得到的簡單的像元數據恢復成彼此相關的立體像對；而數據的固態存儲則主要探討了大量數據在空間惡劣環境下的固態存儲技術。
  14. On the base of the analysis, we build up the vector fields of neighborhood variation ; put our emphasis on the description of the image edges and the domains of visual similar grey - level with the vector fields. after that, we find out the two methods used to detect the edges, the one with the biggest vector field, and the other with the perpendicular vector - pair of the biggest variation difference. the neighborhood size has got the great influence

    在此基礎上，提出了基於鄰域灰度變化矢量場的圖像分割思想;建立了圖像鄰域灰度變化矢量場，並重點分析了鄰域灰度變化矢量場與圖像視覺邊緣、區域等特徵之間的關系;建立了最大鄰域灰度變化矢量的邊緣檢測運算元模型，基於鄰域灰度變化矢量場最大正交差異對的邊緣檢測運算元及區域檢測運算元模型;分析了鄰域選擇對邊緣擴展、噪聲抑制的影響。
  15. Gigli wants to base their new - look defence around luisao, while he also plans to pair david trezeguet in attack next season with werder bremen ace miroslav klose

    吉利想圍繞路易松建立一條他們的新防線，他同時計劃在下賽季買來雲達不萊梅的王牌克洛澤和特雷澤蓋組成鋒線搭檔。
  16. Base - t10mbit s baseband unshielded twisted pair cable10mbit s

    傳輸速率的基帶非屏蔽雙絞線電纜
  17. Look a perfect pair, it is china and foreign countries of chinese head home at the same time joint - stock bank, root xiamen is native land, through 20 years feel climb boil dozen, already grew to cross the mainland and hongkong and macow to manage for a ground at present, successive and old selected england " banker " magazine " 1000 big bank of world " and " 200 big bank of asian " ; across is the local commercial bank of mainland of xiamen of base oneself upon, add endowment improve a company to administer structural cry long - standing, cut very to what capital and advanced administrative system long for how to hold foreign currency of start rising billow to trade to begin

    看起來珠聯璧合，一邊是中國首家中外合資銀行，植根廈門本土，經過20年的摸爬滾打，目前已成長為一家地跨大陸和港澳經營、連續多年入選英國《銀行家》雜志「世界1000大銀行」和「亞洲200大銀行」 ；另一邊則是立足廈門本土的地方性商業銀行，增資改善公司治理結構呼聲由來已久，對于資金和先進的治理制度盼之甚切把握升浪起點外匯交易怎樣開始？
  18. Genes coding mature peptide of igfs were achieved by pcr using another pair of oligo - nucleotide primers to induce to the suitable restriction enzyme site, and the igf - i product of pcr contains 230 base pairs. igf - ii contains 219 base pairs. 3

    各另外設計一對特異性pcr引物，導入適當限制性內切酶切點，以上述連有目的基因的克隆載體為模板，採用pcr方法擴增基因片段，獲得長度約230bp的igf -和219bp的igf -成熟肽基因序列。
  19. In this study, the whole e2 genes of two strains of classical swine fever virus ( csfv ) isolated from guangxi ( gx ) were amplified by reverse transcriptase polymerse chain reaction ( rt - pcr ) method and seqenced. the e2 gene fragments of csfv were 1090 base pair in length and encoded 364 amino acid residues

    研究採用反轉錄?聚合酶鏈式反應（ rt ? pcr ）技術對兩株分別從柳州（ gxlz ）和南寧（ gxnn ）分離的廣西流行豬瘟病毒（ classicalswinefevervirus ， csfv ）進行e _ 2全基因的擴增、克隆和測序。擴增片段長度為1090bp ，編碼364個氨基酸殘基。
  20. Some gene mutations are simply alterations of one base pair among the total three billion base pairs of dna in the human gnome

    許多基因變異是由於人類總基因為數三十億的鹼基里其中一對鹼基出了問題。
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