種系突變 的英文怎麼說

中文拼音 [zhǒngxìtūbiàn]
種系突變 英文
germ line mutation
  • 種 : 種名詞（姓氏） a surname
  • 系 : 系動詞（打結; 扣） tie; fasten; do up; button up
  • 突 : Ⅰ動詞1 （猛沖） dash forward; shoot out 2 （高於周圍） protrude; bulgeⅡ副詞（突然） abruptly; sud...
  • 突變 : 1 （突然急劇的變化） sudden change; change suddenly; transilience; accident; saltation; revulsion...
  1. Autotrophic mutants were prepared from six different stocks of a special group.

    自養突變體是從一個特別類群的6個不同的原種菌系制備的。
  2. Furthermore, the wing imaginal disc clonal analysis showed that in the homozygous sll mutant clones, the extracellular wg was dramatically reduced. the reduction of extracellular wg indicated that the wg signaling in the wing imaginal disc was disrupted. the reason leaded to this phenomenon is that sll encodes a paps transporter, so the disruption of the sll gene would generate the unsulfated heparan sulfate proteoglycan ( hspg ), which most likely would lose normal function

    進一步結合運用flp - frt系統和minute ~ - ，用缺損myc蛋白的表達來標記純合的sll突變基因克隆，用minute ~ -來相對的擴大含sll突變基因的克隆，對翅成蟲盤所作的克隆分析表明，在含sll突變基因的克隆中，細胞外的wg蛋白分佈明顯減少，這種細胞外的wg蛋白減少表明在翅成蟲盤中wg信號傳導受到了明顯抑制。
  3. Using the young seedlings of wild type ( wt ) and four mutants ( phya, phyb, phyaphyb and hy4 ) of arabidopsis thaliana as plant materials, the effects of light quality and kinetin ( kt ) on some photomorphogenesis responses such as cotyledon enlargement, hypocotyl growth inhibition, accumulation of chlorophyll and anthocyanin were investigated in the present study. photoreceptor functions and interaction of light and kt in the responses was examined and discussed

    本文以擬南芥（ arabidopsisthaliana ）野生型（ wt ）和四種光突變體phya 、 phyb 、 phyaphyb和砂hy4為材料研究不同光質與細胞分裂素（ kt ）對幼苗子葉擴大、下胚軸伸長、葉綠素和花色素苷積累的影響，分析光受體參與的反應以及探討光與kt在調節各種反應中的相互關系。
  4. Phenanthrene is one of three - aromatic pahs and distributes in environments widely, which causes diseases of human respiration system and skin, and induces mutation, aberrance and carcinogen of fish and other animals

    菲為一種廣泛分佈於自然環境的三環芳烴，能導致人類呼吸系統和皮膚的病變，可誘發魚類和其它生物的突變、畸變與癌變。
  5. In this paper, features of decadal variability and the possible mechanism of sea - air system in the pacific are investigated by using upper - ocean temperature, heat storage and wind stress data, the main results are as follows : the most pronounce decadal sign exists at about 160 meter in depth in the western pacific. there are significant decadal abrupt changes in temperature from surface to deep in the subsurface at about 1980. with different depth in the subsurface, there exist 4 types of abrupt change modes, their generation is closely related to the decadal sign which originates from the east of north pacific and propagates along the south - west subduct ion route

    研究表明，太平洋次表層海溫最強的年代際信號在熱帶西太平洋約160m深處，此信號在1980年前後從上至下，先後經歷了一次顯著的年代際突變過程，而且隨深度的不同存在著四種不同的空間突變模態，這四種模態的形成與北太平洋海溫異常的西南潛沉路徑有著密切的聯系。
  6. The previous studies suggested that the auditory threshold of fmmu albino guinea pigs was lower significantly than that of pigment ones, the anoxia tolerance of fmmu albino guinea pigs was better than that of pigment ones, their immunological function was weaker than that of pigment ones

    目的： fmmu白化豚鼠是從普通花色豚鼠突變種中選育而成的新品系封閉群實驗動物。前人研究結果表明fmmu白化豚鼠的聽覺閾值明顯低於花色豚鼠，缺氧耐受性優于花色豚鼠，免疫功能低於花色豚鼠。
  7. In view of the limitation of the traditional inversion theory and method of the gravity and magnetic field, professional an yulin, etc, worked in china university of geoscience, has come into being the theory system of the all - direction imagery for local gravity and magnetic sources after having researched a few years. the theory system broke through the thinking method of traditional theory system, researched all - direction imagery of the 2d local gravity and magnetic sources by means of complex function theory and researched all - direction imagery of the 3d local gravity and magnetic sources by means of spherical harmonic analysis theory, developed greatly the interpretation theory on the gravity and magnetic field

    該理論體系突破了傳統的重、磁場解釋理論體系的思維方式，採用復變函數理論研究二維局部重磁場源全方位成像，採用球諧分析理論研究三維局部重磁場源全方位成像，大大發展了重磁學科解釋理論，可以在起伏地形、有背景疊加和高頻干擾等復雜條件下，直接反演加疊代修改，求解分佈在有限范圍內的二維和三維重磁場源異常場的多種反演問題。
  8. Give actual mine transportation vechile system and transportation routs conditions, it can automatically find out satisfactory solutions to vechile scheduling design through genetic operations such as reproduction, crossover and mutation, etc. a new mean is offered in mining management automazation and intelligence

    對于給定的礦山運輸車輛系統和運輸線路，經過遺傳演算法的復制、交換、突變等操作可以自動得出滿意的車輛調度方案，為采礦生產管理的自動化和智能化提供了一種新工具、新方法。
  9. The argument of social system of considers community as a social system. the social system ' s changes are aroused by conflicts

    在互動變遷的研究中，桑德斯的社會體系論，將社區作為一種社會體系，其變遷是山沖突引起的。
  10. Germline mutations in the brca1 or brca2 tumour - suppressor genes are strong predictors of breast and / or ovarian cancer development

    在brca1或brca2腫瘤抑制基因的種系突變是乳腺癌和/或卵巢癌進展的強烈預測指標。
  11. Flux position & error in flux magnitude and error in torque are used as fuzzy state variables. fuzzy logic is used for choosing the switching state. a fuzzy logic controller can choose the switching states according to a set of fuzzy rules based on both specialists " experience and knowledge, which improves the response performance of the system effectively during start - up and change in load

    作為本文的一個創新點，針對普通的直接轉矩控制在給定轉矩躍變時反應較慢的缺點，提出了一種模糊控制器，把磁鏈位置、磁鏈誤差和轉矩誤差作為模糊輸入變量，應用模糊邏輯來確定逆變器的開關狀態，該模糊控制器根據一套基於專家經驗和知識的模糊規則來選擇開關狀態，從而有效地提高了系統在啟動和負載突變時的響應速度。
  12. The structure system of this paper is : first to introduce the historical background and relevant definition of decision - making ; then to present the theory frame of error - eliminating and pave the way to follow - up chapters ; the following chapter is core content of this paper : first of all, the relevant definition and characteristics of change of time and space based fuzzy error system are put forward, and then detailed discussions on time delay, mutation, interaction, error category, extreme value of error system and transformation words of error system are conducted

    本論文結構體系為：首先系統介紹了決策相關的歷史沿革以及相關的定義和理論；其次介紹了消錯學的理論框架，為后續章節的論述作好鋪墊；再者是本文的的核心部分：首先引入基於時空變化的模糊錯誤系統的定義及相關的性質，而後在各節中分別探討了模糊錯誤系統的時滯，熵變，突變；以及決策錯誤種類分析，錯誤的相互作用，模糊錯誤系統的極值和模糊錯誤轉化詞的應用。
  13. Dong a, the male sterile line of cotton discovered in 1972 from a pollenless mutant of cotton variety dongting no. l, is an ideal materials used to study the pollen - specific genes during anther development. the fertile individuals and its pollenless mutant have a highly homogeneous genetic background except for the male sterility

    棉花洞a雄性核不育系是1972年從洞庭一號棉花原種圃中發現的突變體，不育度高且穩定，可育與不育花粉在單核期以前發育同步，是研究棉花花藥與花粉發育相關基因的理想材料。
  14. The dnd cluster seemed to express when it was carried by the high copy - number plasmid because complementation of individual dnda, dndb or dndc mutation could be observed and such expression did not seem to influence the normal dnd expression in wild type s. lividans 1326

    而在高拷貝質粒上的dnd基因似乎是李愛英變鉛青鏈黴菌dna異常修飾系統的分子生物學研究能表達的，因為它能紅補分別在dn劇、 dndb和咖jc發生單個基因突變的菌株，而且這種表達似乎也不會影響野生型菌株1326中原有的dnd基因簇的表達。
  15. This kind of mutation may be not only induced by dna damage but also through the epigenetic pathway other than the nuclear origin including the activation of various signal transduction pathways and altered expressions of many genes

    這種突變除了可能由dna損傷途徑觸發外，也有可能通過非核起源的外遺傳（ epigenetic ）途徑，激活細胞信號轉導通路，引起一系列基因表達的改變而最終導致突變的形成。
  16. This kind of mutation may be not only being triggered by the signals originated from dna damage, but also by the signals of extra - nuclear origin through the epigenetic pathway including the activation of various signal transduction pathways and alterations of gene expressions

    這種突變除了可能由dna損傷觸發的途徑外，已證明還有非核起源的信號觸發的外遺傳（ epigenetic ）途徑介入，激活細胞信號轉導通路，引起一系列基因表達的改變而最終導致突變的形成。
  17. Then, if and when the mitochondrial dna gets mutated so that one or more of the 13 proteins are no longer being synthesised inside the mitochondria, it won ' t matter - - the mitochondria will be getting the same proteins from outside

    那麼，如果線粒體dna發生突變，以致13種蛋白質中的一種（或一種以上）不再在線粒體內被合成時，就沒有什麼關系了?線粒體將從外部得到相同的蛋白質。
  18. In the proposed technique the bemf waveform of bldcm need to be measured in advance at first, through computer simulation and frame transformation, the optimum q - axis current command is achieved. in order to minimize the torque ripple, the d and 0 - axis current command should be zero. furthermore, through reference frame transformation from dqo - axis to abc - axis, we can get the optimum current command in static abc reference frame

    在這種控制方法中首先測量出電機的實際反電動勢波形，然後通過計算機擬合和坐標變換，求得產生恆定電磁轉矩所需的q軸電流，令i _ d ~ * = i _ 0 ~ * = 0 ，通過坐標變換，得到三相靜止坐標系a - b - c下的參考電流i _ a ~ * ， i _ b ~ * ， i _ c ~ * ，利用電流滯環控制來產生pwm信號，由於這種控制方法中電流不會突變，從而可以較好的抑制轉矩脈動。
  19. A new soybean variety heinong 41 with high protein content developed by irradiation

    利用突變系育成高蛋白大豆新品種黑農41
  20. Purple clones were picked out from the plate, which show br was expressed. pcr analysis told us that the mutant br gene was transformed into l33

    Br基因的定點突變改造和突變基因在嗜鹽菌中表達系統的建立使我們可以研究br的各種突變蛋白。
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