質體遺傳系 的英文怎麼說

中文拼音 [zhítǐyízhuànxì]
質體遺傳系 英文
plastid system of heredity
  • 質 : Ⅰ名詞1 （性質; 本質） nature; character; essence 2 （質量） quality 3 （物質） matter; substance;...
  • 體 : 體構詞成分。
  • 遺 : 遺動詞[書面語] （贈與） offer as a gift; make a present of sth : 遺之千金 present sb with a gener...
  • 傳 : 傳名詞1 （解釋經文的著作） commentaries on classics 2 （傳記） biography 3 （敘述歷史故事的作品）...
  • 系 : 系動詞（打結; 扣） tie; fasten; do up; button up
  • 遺傳 : [生物學] heredity; hereditary; inheritance; inherit
  1. Characters controlled by the dna of extranuclear organelles are not inherited according to mendelian laws and are transmitted only through the female line, since only the female gametes have an appreciable amount of cytoplasm

    由於細胞質大多來自母體所產生的配子，所以由細胞核外的細胞器的dna所控制的遺傳性狀一般只隨母系而遺傳，也不符合孟德爾定律。
  2. During this process, a series of modification appeared on the xi, which led to the formation of stable heterochromatin that can be inherited steadily in cell duplication

    失活的染色體上面往往發生一系列的修飾，導致產生非常穩定的異染色質且能在細胞復制的過程中穩定遺傳。
  3. This paper describes a strategy that has developed to transfer the cdna of tobacco mnsod gene into the commercially important breeding line - baoding alfalfa via agrobacterium infection. transgenic alfalfa plants have been generated that overproduce a nicotiana plumbaginifolia l. manganese superoxide dismutase ( mnsod ). the results domenstrated that baoding alfalfa is an important breeding line which easily amenable to genetic transformation

    本研究採用我國農藝性狀優良的豐產苜蓿品種保定苜蓿，通過農桿菌介導的轉基因方法，使用特定的質粒載體pchlsod將煙草mnsod基因的cdna序列導入保定苜蓿中，說明保定苜蓿是一種易於遺傳轉化的優良苜蓿育種品系。
  4. These bacteria are transmitted through the cytoplasm of eggs and have evolved various mechanisms for manipulating reproduction of their hosts, including cytoplasimic incompatibility ( ci ), parthenogenesis, feminization, male killing, fecundity or fertility modifying etc. wolbachia are common and widespread bacteria infecting 17 % insect population, 17 crustacean species, mites and many nematodes

    這些共生菌通過母系遺傳參與調控寄主的多種生殖活動，包括細胞質不親和現象、誘導孤雌生殖現象、雌性化、雄性致死以及調節寄主生殖力等。 wolbachia的分佈十分廣泛，目前已經發現在超過17的昆蟲種群以及17種甲殼綱動物、蟎蟲、線蟲體內發現了它的存在。
  5. ( 4 ) transformation of mdmv - cp gene mdmv - cp gene was successfully into r18. w18 and 501 in 2001 fall, each material being bombed 20, 15, and 10 plates. 213 bastar ( effective constitution ppt ) resistant plants were obtained of which r18, w18 and 501 resistant plants counted 103, 90, and 20 plants respectively. molecular test was undergoing

    O ） mdmvcp因的邀傳轉化於2001年秋用基因槍將mdmvcp基因巾35scpbar質粒）導入、 w18 、 501三個優良自交系，利用已建立好的遺傳轉化體系，經抗性篩選、分化、壯苗等步驟，已得到抗bastar （有效成分ppt ）植株213棵，其中r18103株、 w1890株、 50120株。
  6. The numerical simulation equations of the border curves in term of and as well as the matching rules and the frequency dependence of microwave electromagnetic parameters of a broad - band homogeneous absorbing coating with a finite value of reflection loss are available. these results pointed out the direction to develop rams ". according to the radar - absorbing model, the optimized design of rams with thin - layer, light - weight, broadband and strong - absorbing is available by the simple genetic algorithms, which can effectively conduct the research work of rams to the detail. small but completely, the electromagnetic parameter ' s databases of rams that based on actual microwave absorbers have been set up, the object function has been constructed which conform to the involved goals, the adaptive coding measure is taken which extends the coding length dynamically adapting to the condition of the number of actual absorbers or the precision of thickness and absorber - volume - percentage, the decoding technique is initiated which satisfies light - weight and strong - absorbing as well as thin - layer and broadband by adopting of tracing variable restricting conditions dynamically to control total thickness. when decoding, the variable restricting conditions of thickness are dynamically traced, so gain the radar absorbing coatings of light - weight multiple - layer single - ingredient. similary, of thickness and absorber - volume - percentage, of light - weight multiple - layer multiple - ingredient. also, the rams ' demand to radar - absorb performance as frequency is met making use of the penalty function

    作為遺傳演算法的具體實施：根據本實驗室近來研製的吸波材料，建立了吸波材料的相關數據庫；構造了能真實體現「薄、輕、寬、強」優化目標的目標函數；根據材料的實際數量以及塗層厚度精度要求、吸收劑體積分數精度要求，建立了能動態擴展相應碼長的自適應編碼方法；首創了通過動態跟蹤變量的約束條件來控制塗層總厚度的解碼技術，以此實現了在不弱化寬頻、高強的吸波性能目標的同時，兼顧到薄層、輕質的使用性能要求；在解碼時通過動態跟蹤厚度變量的約束條件，實現了多層單組分吸波塗層對重量輕的要求；通過動態跟蹤厚度變量的約束條件和吸收劑體積分數的約束條件，實現了多層多組分吸波塗層對重量輕的要求；使用權重系數變化法，實現了吸波塗層的分頻段吸波性能要求。
  7. Quality of oil determined by the constituents and proportion of fatly acid components, and the understanding of heredity of fatty acid components is of importance to breeding for good quality soybean varieties

    摘要利用5個大豆品種配製20個雜交組合，採用廣義種子遺傳模型分析了大豆脂肪酸組分的胚、細胞質和母體植株等3套遺傳體系的基因主效應和基因型環境效應。
  8. Twenty f1 combinations crossed among 5 varieties and strains different in fiber properties according to complete diallel crossing design were used to evaluate the heterosis and gene action of boll weight and lint percentage in high quality fiber property varieties in upland cotton in 1998 1999 for two year successively at nanjing. it was indicated that there existed small interactions with the environmental factors without maternal effects and the additive gene effect was in chief, attaining to 51. 2 % and 65. 4 % respectively for boll weight and lint percentage. the dominant effect was also in higher rate, 32. 6 % and 16. 8 % respectively. the population mean heterosis of boll weight and lint percentage over the mid - parental mean were relatively prominent 13. 3 % and 3. 5 % respectively in extreme significance. however, boll weight showed no significantly surpassing parental f1 heterosis over the better parent based on population mean ( 2. 0 % ) ; while the lint percentage expressed significant negative heterosis value ( - 2. 1 % ). the gene actions were in conformity with the heterosis expression. it was shown clearly that the f1 combinations crossed between parents with similar performances had relatively high dominant effects and significant positive f1 surpassing parental heterosis ( f1 heterosis over the better parent ) ; while no f1 combination crossed between the parents with prominent mutual difference surpassed the higher parent in yield components, which indicated that among those parents with less difference and close relationships, there still existed sufficient genetic variation or certain mechanism for creating variation and achieving greater advances in breeding. correlation analyses also indicated that there still existed severely undesirable negative correlation between yield and fiber properties as well as the difficulties for their simultaneous improvements

    利用5個具有不同纖維品質性狀的品種（系）配製完全雙列雜交組合20個，通過親本和f1的2年隨機區組試驗發現產量性狀的鈴重和衣分與環境的互作效應小，不存在母體效應，並以加性遺傳效應為主，分別占表型方差的51 . 2 %和65 . 4 % ;顯性遺傳效應所佔的比率也較高，分別為32 . 6 %和16 . 8 % .鈴重和衣分的群體平均優勢較大，分別為13 . 3 %和3 . 5 % ，達到了極顯著;鈴重的超親優勢為2 . 0 % ，不顯著;衣分為顯著的負值（ - 2 . 1 % ） .遺傳分析與雜種優勢結果一致.具體表現在產量性狀上，親本相當配製的組合雜合顯性較高，其超親優勢正向顯著，而極值親本（差異較大）所配組合沒有超過高親的.這表明親本差異小、親源關系較近的親本中仍然存在足夠的遺傳變異或某種機制以創造變異使育種取得更大的進展.相關分析表明了仍然存在嚴重的品質與產量的負相關，遺傳改良的難度較大
  9. Then, we establish the finite element analysis models of the antenna in different structure layout, and obtain the corresponding frequencies and model shapes. finally, according to the importance of each object, we set up the model of multiple objects that aims to maximize the first natural frequency and minimize the mass. combining orthogonal experiment and variant weighting coefficient method, we formed an effective multiple objects optimized algorithm basing on the neural network and genetic algorithm

    本文首先詳細的敘述了天線結構的各組成單元，闡明了天線反射拋物面的形成原理；然後在ansys軟體環境中建立了不同結構布局下天線的有限元分析模型，分析計算了各種情況下天線的的固有頻率與振型；最後依據天線各指標的重要性，建立了以一階固有頻率最大、質量最小為目標的天線結構多目標優化設計模型，並基於神經網路和遺傳演算法，結合正交實驗和變加權系數技術，形成了一種有效的多目標優化演算法，在matlab平臺下實現了天線的結構多目標優化設計計算程序，求得了天線的最佳結構參數。
  10. Chromosome numbers were no remarkable difference with the control. analysis of isoenzyme ( peroxidase, cytochrome oxidase, esterase ) and rapd indicated that the regenerated plants from protocalli were different with the control. protoplasts were isolated from agrobacterium rhizogenes a ^ transformed cell line of medicago sativa l.

    染色體檢查，同工酶（過氧化物酶、細胞色素氧化酶、酯酶）和rapd分析表明，來源於抗性系原生質體的再生植株具一定的遺傳穩定性，但與野生型相比亦發生了一些變異。
  11. In the artificial - planting, the strain of cordyceps militaris is easy to degenerate. at present, the study about the fungus in cordyceps genus are just in the identification of fungi 、 the nutrition analysis 、 the using in medicine and artificial - planting. although, it could reduce the lost by the usual breeding way, we could not solve the problem at basic. about the degeneration of strain, people mostly use the gender - cycling 、 the fusing - cytoplasmic technology and the genetic - engineering method to reform the strain. most of people use moleculor method in the study of relationships among the species and between the species

    用常規選育方法雖然能減少一定的損失，但不能從根本上解決菌種退化這一長期困擾企業生產的問題。針對菌種退化問題，主要是利用有性循環、原生質體融合和遺傳工程等途徑進行菌株改良，應用分子生物學手段只是研究種內、種間的系統關系等，而關于菌種退化遺傳機理的研究尚未見報道。菌種退化是菌類栽培過程中普遍存在的，也是生產當中迫切希望得到解決的問題。
  12. Excellence breeding technology and system have been built using dwarfing - sterile wheat and recurrent selection technology for longterm study and trying, and important progress have made in variety breeding, germplasm creation, transfer of characteristic inherit of dwarf male - sterile wheat and physiology bio - chemical etc

    矮敗小麥育成后，經過中國農科院等科研單位多年的研究與摸索，逐步建立起一套科學、方便、實用的矮敗小麥輪回選擇技術體系，並在品種選育、種質創新、矮敗小麥遺傳特性轉移、生理生化等方面取得了很大的進展。
  13. With the precondition that invitro tissue could survive after implantation, the study on transferring gus gene into arabidopsis callus was done. and we got the transformants. transformation efficiency was up to 2 %

    在活體組織注入后可以存活的前提下，通過對離子束介導質粒dna導入擬南芥愈傷組織的遺傳體系的研究，得到了gus基因轉入擬南芥愈傷組織的轉化植株，轉化效率達2 。
  14. In order to establish the genetic transformation system of saussurea medusa maxism by agrobacterium rhizogenes, some work were done. the main results were following : 1 establishment of regeneration systems two systems of regeneration from saussurea medusa maxim were established without cold treatment. the somatic embryos were induced from callus cultured in mise for 35 days. the shoots were induced from cotyledon after cultured in misc 20 days, and from leave which were cultured in misl. the experiment showed that the carbon and glycine in the medium could help to increase the regeneration rate to 95 %

    為篩選水母雪蓮代謝突變體和轉基因研究奠定了一定的基礎，陳亞瓊： m質粒介導水母雪蓮的遺傳轉化及毛狀根中決刪合成的調節p義摘要也為研究類黃酮代謝途徑的關鍵酶基因的轉化、高效表達及作用機理提供了理想的實驗體系。主要的實驗結果如下： 1水母雪蓮高頻再生體系的建立通過體細胞胚胎發生途徑和器官發生途徑，水母雪蓮（ squssureamedusamaxim ）可以在常溫下獲得再生植株。
  15. A male patient of 10 years old gave his chief complaint of slow movement and unclear vision in the xishan department of neural regeneration and functional reconstruction in beijing shijingshan district in october 16th 2005

    0引言x -連鎖腎上腺腦白質營養不良是一種遺傳性代謝疾病，由於飽和極長鏈脂肪酸在過氧化酶體內-氧化障礙，以致飽和極長鏈脂肪酸在血、腦白質、腎上腺皮質等器官和組織大量積聚，引起中樞神經系統脫髓鞘和腎上腺皮質萎縮或發育不良。
  16. Professor suzanne c ho and dr. chen yuming from the school of public health, the chinese university of hong kong, have therefore conducted a series of studies to investigate what is considered as adequate intake in postmenopausal chinese women aged between 48 - 64 years, and within the first 12 years of menopause

    由於遺傳因素、體格、飲食習慣的不同，華人與白人的鈣質攝取亦有差異。為此，香港中文大學公共衛生學院的何陳雪鸚教授與陳裕明博士進行了一系列的研究，探討48 - 62歲、停經12年之內的中國婦女最適宜攝取鈣的份量。
  17. On the basis of the loess distribution, engineering geology and specific properties of road use in gansu province, this paper divides traffic volume grade according to the conditions of transportation of all high - grade highways which are being built and have already finished. besides, it analyses the relativity of three different test methods, establishes the related relations, and divides their strength grade after measuring rebound module of subgrade of the representative high - grade highways in gansu loess area. furthermore, it recommends the common semi - rigid and asphalt concrete design parameters by comparing the experiment in doors to outdoors, and draws up the optimized design program aga - lq based on advanced genetic algorithm and solves the non - liner optimization design model of asphalt pavement construction by computer

    本文基於甘肅黃土分佈、工程地質及路用特性研究，對該黃土地區在建和已建的全部高等級公路交通狀況進行了詳細調查和分析，劃分了交通量等級；對甘肅黃土地區代表性的高等級公路，利用三種不同方法實測了土基回彈模量，分析了各測試方法的相關性，建立了相關關系，對土基回彈模量進行了強度等級劃分；通過室內外試驗比較，推薦了常用的半剛性材料和瀝青混凝土設計參數值；利用計算機編制了基於改進遺傳演算法的優化設計程序aga ? lq ，並成功求解了瀝青路面結構非線性優化設計模型；最後經計算提出了甘肅黃土地區高等級公路瀝青路面典型結構，並編制了查詢圖庫軟體cx ? lq ，供設計單位直接選用，科學簡便地解決了甘肅黃土地區的路面設計問題。
  18. Morally, as well as materially, there was a coarser fibre in those wives and maidens of old english birth and breeding, than in their fair descendants, separated from them by a series of six or seven generations ; for, throughout that chain of ancestry, every successive mother has transmitted to her child a fainter bloom, a more delicate and briefer beauty, and a slighter physical frame, if not a character of less force and solidity, than her own

    那些在英倫故土上出生和成長的媳婦和姑娘們，比起她們六七代之後的漂亮的後裔來，身體要粗壯些，精神也要粗獷些因為通過家系承襲的鏈條，每代母親遺傳給她女兒的，即使不是較她為少的堅實有力的性格，總會是比較柔弱的體質更加嬌小和短暫的美貌和更加纖細的身材。
  19. Under realization of quality education background for several years, the whole teaching activities of 《 medical genetics 》 set up for students in biology department of our university were introduced, which expounding the necessity and urgency for popularizing the principles of medical genetics and the knowledge of genetic diseases to students in normal university. it is beneficial not only to raising the body qualities of population for the unity of our various nationalities, but also to producing profound influences on biological teaching in middle school

    介紹了幾年來在實現素質教育的背景下，通過為我校生物學系本科開設《醫學遺傳學》課程的整個教學實踐活動，闡明了向師范院校學生普及醫學遺傳學原理和傳授遺傳病知識的必要性和迫切性.它不僅有益於提高我國全民族人口的身體素質，而且對中學生物教學也將產生深遠的影響
  20. The conclusions further elucidate the damages such as metabolic alteration, membrane damage, enzyme inactivation and genetic alteration may be resulted from the change of glutathione redox system caused by so2. protective roles of seabuckthorn seed oil on oxidative damage induced by so2 were also processed

    進一步明確了機體的所有損傷（代謝過程變化、細胞膜損傷、酶失活以及遺傳物質改變）均可能與so _ 2吸入所致谷胱甘肽氧化還原系統發生顯著變化有直接或間接的關系。
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