生化突變 的英文怎麼說
中文拼音 [shēnghuàtūbiàn]
生化突變
英文
biochemical mutation-
This paper put forward the optimized methods include reconstructing the characteristic curve by reasonable use of the adjust tools and analyse tools of the modeling software, admeasuring the automotive model surface correctly, simulating the breaking surface and creating the surface in the right turns which is good for modeling a smooth and exactitude surface. at last, after the correct analysis of the factors which are effect to the surface construction, a smooth and exactitude surface of the similar diamond concept car has been constructed by using the right optimize method
本文通過合理利用反求軟體中的造型工具和分析工具,正確劃分反求模型的造型區域,使用正確的曲面造型方法,對反求曲面的特徵網格線進行二次優化,並對突變曲面進行擬合再生成處理及建立合理的曲面生成順序等方法,最終獲得了仿型度和光順度都很高的反求曲面。The waters surrounding an island become contaminated by chemical dumping, and people who eat fish caught in those waters become cannibalistic mutants
一個小島周圍的水被化學垃圾污染了,吃了這些水裡打來的魚的人產生基因突變,成了食人族Mutation are produced by a number of chemicals.
許多化學試劑能產生突變。The point of singular signal ' s conjoint pixel always changes acutely in its gray - level value. the gray - level distributing gradient of conjoint pixels can show this change
而信號的奇異點或突變點往往表現為相鄰像素點處的灰度值發生了劇烈的變化,我們可以通過相鄰像素灰度分佈的梯度來反映這種變化。An outstanding example of the drastic alteration of the estuarine environment is found in the netherlands.
河口灣環境發生強烈變化的一個突出的例子是荷蘭。In this study, we found that the activity of cytochrome oxidase in sos2 was lower than wild type
在本研究中我們發現, sos2突變體中細胞色素氧化酶活性與野生型相比降低。The aglycone, steviol, exhibited greater acute toxicity than stevioside in hamsters but not in rats. steviol was clearly genotoxic after metabolic activation, inducing forward mutations in bacteria and gene mutations and chromosomal aberrations in lung fibroblasts of chinese hamsters
甜菊醇經過代謝活化后,基因毒性明顯,可引致細菌產生正向突變,以及使中國倉鼠的肺纖維原細胞產生基因突變和染色體變異。Monofunctional alkylating agent n - methyl - n ' - nitro - n - nitrosoguanidine ( mnng ) is a widely spread environmental mutagen and carcinogen that targets dna and proteins to generate adducts. among the adducts, o6 - alkyl guanine is the predominant mutagenic lesion because of its mispairing properties, which can eventually lead to chromosomal aberrations, point mutations, and cell death. this lesion also appears to be involved in tumor initiation, particularly in gastric carcinogenesis
單功能烷化劑n -甲基- n -硝基- n -亞硝基胍( mnng )是一種在環境中廣泛存在的化學誘變劑和致癌劑,它能和dna及蛋白質等生物大分子形成加合物( adduct ) ,其引起的與突變有關的主要dna損傷類型是o ~ 6 -甲基鳥嘌呤,這種損傷與腫瘤尤其是胃癌的發生密切相關。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。The morphological, physiological, biochemical and genetic diversities between bacillus thuringiensis wild - type strain ybt - 1463 and its plasmid - free mutant bmb171 was comparatively studied. it showed that the plasmid - free mutant strain bmb171 lost the ability to form the parasporal crystal, but there was on obvious diversities were observed on the sensitivity to 10 antibiotics, the utilization of 19 carbon sources and 12 nitrogen sources, as well as the growth properties between ybt - 1463 and bmb171, whereas the electro - transformation frequencies of bmb171 were much higher than those of ybt - 1463, respectively with 5 exogenous plasmids as the donor dnas
對出發菌株ybt - 1463和其無質粒突變株bmb171的部分形態、生理生化和遺傳學特性進行的比較研究的結果表明,突變株bmb171不形成伴胞晶體,但在個體形態與菌落特徵、對紅黴素等10種抗生素的敏感性、對葡萄糖等19種碳源和谷氨酸等12種氮源的利用能力及生長性能與出發菌株ybt - 1463無明顯差異。The moral predicament during the transformational period of the society is prominently manifested in the loss of the standard for moral evaluation, the confusion of value - orientation, the overflow of immoralism, the weakening of morality - regulating mechanism of the society, and the distortion of moral education, etc. these predicaments seriously hinder the development of socialist material and spiritual civilizations, and its appearance is inseperable from the specific social and historical circumstances of the transformational period ; meanwhile, the negative effect resulting from the initially established market economy, cultural changes, cultural mingling and conflict, and the choice of moral subject all contribute to the moral crisis of china presently
社會轉型期道德困境突出表現為道德評價失范、價值取向紊亂、非道德主義泛濫、社會道德控制機制弱化和道德教育扭曲變形等幾個方面。這些困境,嚴重妨礙著社會主義物質文明和精神文明的發展,它的產生,和轉型期這個特定的社會歷史條件是分不開的;同時,我國初步建立市場經濟所帶來的負效應,文化的變遷、文化的交融與沖突及道德主體自身的選擇也是導致當前中國社會道德危機的重要原因。Accordingly, ers2 - 1 is still able to confer ethylene insensitivity via a single receptor gene ers1 in the quadruple mutant, but at a highly reduced level compared to its function in the triple mutants. the major difference between the quadruple and triple mutants is the absence of a wild - type ers2 gene in the quadruple mutant, and we propose that the dominance conferred by ers2 - 1 can be mediated and amplified via the wild - type ers2 to the subfamily i receptor ers1
三突變體的遺傳背景與四突變體相比,只是在三突變體中保留了ers2的野生型基因,而當這個野生型的ers2基因突變后,對乙烯不敏感的ers2 - 1基因的功能便減弱了,說明顯性基因ers2 - 1在etr1 - 7 ; err2 - 3 ; ein4 - 4三突變體中的功能可以經由活化ers2后再傳給ers1 ,而不僅僅是直接傳給ers1 。At the center of the story is a paleoclimatologist a scientist who studies the ways weather patterns changed in the past, professor adrian hall quaid, who tries to save the world from the effects of global warming while also trying to get to his son, sam gyllenhaal, who was in new york city as part of a scholastic competition, when the city was overwhelmed by the chilling beginnings of the new ice age
加上傑克親眼目睹一個如羅德島般巨大的冰塊從南極冰層上脫落後,地球的氣象開始產生重大變化:如葡萄般大的冰雹侵襲東京有史以來破壞性最強的颶風席捲夏威夷大風雪襲擊印度新德里異常的卷風將洛杉磯毀於一旦這些突如其來的天然災害,弄至死傷枕藉,損失慘重。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。Therefore, it is important to study the profiles of gene expression, which will help understand the global cellular stress responses to chemical carcinogens, and further elucidate the mechanisms of nontargeted mutagenesis
所以,從整體上研究烷化劑作用后細胞基因表達譜改變,對于了解化學致癌物誘發的哺乳動物細胞應激反應的全貌和揭示非定標性突變的發生機制具有非常重要的意義。The super entropy produce criterion is a good tool to judge the system ' s abrupt change from a lower grade to a higher one. in this paper the entropy of the urban resource - environment system was defined, and in an example of its application the super entropy produce criterion of the urban resource - environment system reflected the real developmental process of the whole system. furthermore, in this paper, a new model for the grid size optimization of the finite element method ( applied to the water quality modeling of the topographically complicated river ) was brought forward based on the maximum information entropy theory in condition that the length of gird was given
超熵產生判據為我們提供了判斷系統從低級有序向高級有序突變過程的工具,本文提出了城市資源與環境系統熵的定義,在實例中的應用證明城市資源與環境系統的超熵產生判據較好地反映了整個系統的演化情況;另外,本文針對在城市復雜河道情況下,利用有限單元法求解河流水質模型時網格單元大小難確定的問題,引入網格信息熵的概念,提出了有限單元法求解河流水質模型的網格優化方法。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。In the present study, an omanental flower sinningia speciosa was transformed with tmek2 and tmek2mut :, the wild type and mutant type of mapkk from tomato, by agrobacterium tumefaciens
本研究用野生型、突變型mapkk基因轉化觀賞花卉大巖桐,為進一步研究mapkk基因的功能奠定基礎,也為花卉植物的轉基因提供實驗系統。This change is a break when the outside conditions exceed a threshold value with gradually variety. the break is equal to the non - equilibrium phase transition in thermodynamics. ( 6 ) there are two kinds of stable channels
河型轉化是在外界條件緩慢變化過程中,超過某一臨界值而發生的突變,這種突變相當于熱力學中的非平衡相變,是由某些參數的漸變引起的從量變到質變的一個過程。The results show that npt ii had already integrated into the genome of sinningia speciosa, and the transformation efficiencies of tmek2 and tmek2mut were 1. 7 % and 0. 7 %, respectively
用pcr法對轉化再生植株進行了檢測,證實npt已經整合到大巖桐的基因組dna中。野生型、突變型mapkk基因的轉化效率分別為1 . 7和0 . 7 。分享友人