突變率 的英文怎麼說
中文拼音 [tūbiànlǜ]
突變率
英文
mutation frequency-
Through a series of mutagen tests, a mutant strain of monascus spp ( m 12 - 69 ) from ml2 was acquired, which can produce much higher monacolin k than m12, and almost same citrinin level as m12
以之為出發菌株，通過誘變篩選，獲得一株monacolink產率有明顯提高而桔黴素產率僅為0 . 13ng g （ elisa ）的突變株，編號為m12 - 69 。Decadal variability and abrupt change of upper - ocean temperature in the pacific
太平洋次表層海溫年代際變率及其突變特徵The contribution of these mutations to breast cancer risk within any specific population is a function of both their prevalence and their penetrance
這些突變對不同特殊人群的乳腺癌風險的影響是它們患病率及外顯率的作用。Penetrance can be influenced by mutation - specific phenotypes and the potential modifying effects of the patient ' s own genetic and environmental background
外顯率則受突變特異表型和病人自身的遺傳和環境背景潛在的修復效應所影響。Although estimates of both mutation prevalence and mutation penetrance rates are inconsistent and occasionally controversial, understanding them is crucial for providing accurate risk information to each patient
雖然對突變患病率和外顯率的評估是矛盾且有爭議的，但了解它們對于為每個病人提供精確的風險信息來說卻是非常重要的。Although many genetic mutations have been suggested as causes or risk factors for parkinson ' s disease, the low penetrance of some mutations and the low disease concordance in relatives suggests that there must be interactions between multiple factors
雖然許多遺傳突變已經被認為是帕金森氏病的危險因素，但是一些突變基因的外顯率低，家族相關的發病率也低，這說明一定有多因素的交互作用。They can convert plasminogen into plasmin and thus degrade fibrin. despite the widespread use of established thrombolytic agents such as streptokinase, t - pa and u - pa, all these agents suffer from a number of inadequacies including resistance to reperfusion, occurrence of coronary reocclusion and bleeding complications
一些pa突變體及新型溶栓劑，如k2p tnk - pa和star等的臨床實驗結果表明它們在延長體內半壽期增強對血纖維蛋白選擇性和溶栓效率等方面有較大的改進。The quest continues for plasminogen activators with higher potency, specific thrombolytic activity, fibrin selectivity and longer half - life time. the recent progress in the protein engineering of plasminogen activators, including t - pa, u - pa, streptokinase, staphylokinase and other novel plasminogen activators, was presented in this article
一些pa突變體及新型溶栓劑，如k2p tnk - pa和star等的臨床實驗結果表明它們在延長體內半壽期增強對血纖維蛋白選擇性和溶栓效率等方面有較大的改進。However, genetic improvement by in vitro culture in mustard ( brassica juncea coss. ), especially in chinese mustard, is restricted by the poor frequency of shoot regeneration, and no regeneration system is established yet
芥菜類作物（尤其是中國芥菜）再生率偏低，在遺傳轉化、突變體篩選等方面尚未形成一個高效穩定的再生體系，從而制約了離體條件下遺傳改良的進程。Ergodicities for an extended birth - death process with catastrophes
一類具有突變率的廣義生滅過程的指數遍歷Combined with the graph correlating the first resonance frequency with driving point location, the method localizes the crack by monitoring a jump in the graph
結合裂紋梁第一階諧振頻率與驅動點位置關系曲線，利用曲線上出現的突變點，準確地識別了梁的損傷狀態和裂紋損傷位置。In video shot segmentation, an improvement to double - threold shot segmentation algorithm is provided, which uses multi - frame sampling technique and can improve the performance significantly on the detection of gradual transition. an abrupt transition detection algorithm is also developed on the basis of the closest pixels matching in spatio - temporal slice, which decreases the false rate and computing strength greatly
在視頻鏡頭分割方面，提出了一種基於多幀抽樣的雙重比較鏡頭分割演算法，有效地提高了對視頻鏡頭漸變檢測的性能;同時，針對視頻鏡頭突變的檢測，提出了一種基於最近鄰像素匹配的時空切片鏡頭突變檢測演算法，該演算法顯著降低了突變檢測的虛檢率和計算量。There are no obvious difference for the frequencies and genotypes distribution for the mbl gene codon 54 mutant allele between hans and uigurs
10 ，兩民族ggc54gac基因型分佈和突變頻率無顯著差異。Because the data mutate on the position that is the edge, the normal curvature on some orientation changes from positive to negative. so it is thought whether some point is judged the edge - point by this character
由於邊緣是圖像上像素發生突變的位置，所以在圖像曲面上某一方向的法曲率值會出現由正到負的變化，故此應用這個性質來判斷曲面上某點是否為邊緣點。In our laboratory, a unique mutation detection system using a shuttle vector plasmid has been established to demonstrate that a low concentration of mnng ( 0. 2 m ) can induce nontargeted mutation in mammalian cells : the mammalian cells were exposed to 0. 2m mnng for 2. 5h, then a shuttle plasmid pz189 carrying supf trna gene was transfected into cells after 24h culture. we found a 5 - fold higher mutation frequency of the plasmid replicated in pretreated cells than the spontaneous mutation frequency of the plasmid replicated in control cells. this kind of mutation did not occur immediately after mnng exposure
我們實驗室曾用一特殊的突變檢測系統，直接證明dna損傷劑可在哺乳動物細胞誘發非定標性突變：首先用低濃度（ 0 . 2 m ）的短壽烷化劑mnng （半壽期為1 . 1hr ）處理細胞2 . 5h后，繼續培養24h ，將重組有用作突變檢測的靶基因supftrna基因的穿梭質粒pz189轉入細胞復制，發現在未受致癌物直接攻擊的穿梭質粒中有較自發突變率高5倍以上的靶基因突變。Dr jablonski ' s study does not, for instance, help to answer whether the tropics are a wellspring of species because a hotter climate brings a higher mutation rate, or because more intense interactions between species select for more rapid evolutionary change
例如，捷布朗斯基博士的研究未能解答究竟是因為氣候更加溫和導致更高的突變率，還是因為種間相互作用更強加速了進化上的改變，從而使得熱帶地區成為物種的發源地。The necessary and sufficient conditions of uniqueness, recurrent, ergodicity, exponential ergodicity, strong ergodicity, stochastically monotone, feller and symmetric properties - in - for the processes are presented. chapter 3 is devoted to studying an extended birth - death q - matrix with catastrophes and instantaneous state. we are able to give easy - checking existence criteria for such processes
第二章討論具有突變率的廣義生滅全穩定q -矩陣，圓滿地獲得了q -矩陣零流出、零流入以及q過程的唯一性、常返性、遍歷性、指數遍歷性、強遍歷性、隨機單調性、 feller性、配稱性等充分必要條件。4 gierer a, meinhardt h. a theory of biological pattern formation
細胞的屬性包括其顏色分裂率突變率和互斥值。The analysis revealed that the sars - coronavirus was mutating continuously throughout the epidemic. the estimated mutation rate of the virus, however, is one - third that of the virus responsible for the acquired immunodeficiency syndrome ( aids )
分析結果顯示sars冠狀病毒雖然演變迅速，但sars冠狀病毒基因組的中性突變率只是愛滋病毒基因組的突變率的三分之一。Such cells could potentially give rise to cancers - - especially when they became functionally impaired by short telomere length - - but the progression of such cancers would be minimal because no telomere elongation system could be activated even by hypermutation
這樣的細胞可能潛在地會長癌（特別是因端粒短而使它們的功能受到削弱） ，但這樣的癌癥進展是微不足道的，因為沒有端粒延長系統可以被激活（哪怕是高突變率也不能激活） 。分享友人