近等基因系 的英文怎麼說
中文拼音 [jìnděngjīyīnxì]
近等基因系
英文
nils-
Utilization of karyon substitute populations and pureline selection cultivars on cold near isogenic lines breed in japonic rice
核代換群體和系選品種在水稻耐冷性近等基因系研製中的作用Molecular assessment of nils of dwarfing sterile wheat
矮敗小麥近等基因系的分子檢測Since 1980s he has been studying the mechanism of normalization of abnormal blood pressure and the resetting of baroreceptor reflex by acupuncture and somatic nerve stimulation, effects of brain osmoreceptor stimulation on sympathetic nerve discharge and renal activity, the role of vasopressin in body fluid and salt homeostasis, difference in gene expression between hypertensive and normotensive rats, hypertension and cardiac ischemia - induced myocardial remodeling, effect of steroids on the nervous system, etc. with his research achievements, dr. yao was awarded science and technology progress prize sponsored by the state education commission grade a award in 1986, grade b award in 1995 and by the ministry of health grade b award in 1989 and 1993, grade a award of guang - hua science and technology prize 1995, and chinese universities science and technology prize grade b award in 2000
近二十年來，他主要從事針刺和刺激軀體神經對心血管和腎臟活動的調整作用刺激腦內滲透壓感受器引起的交感神經放電和腎臟活動的改變血管升壓素在心血管活動調節和水鹽平衡中的作用原發性高血壓的相關基因高血壓和心肌梗死引起的心肌重構甾體激素對神經系統的影響等。他的科研成果曾獲得國家教委科技進步獎一等獎一項1986年二等獎一項1995年衛生部醫藥衛生科技進步獎二等獎二項1989 1993年光華科技基金獎一等獎一項1995年中國高校科學技術獎二等獎一項2000年。The carrier wave is modulated directly by the baseband signal at several frequency point in l band and s band. firstly, this paper clarifies the theory of i / q modulation, elaborates evm and acpl, and analyzes the effect of amplitude and phase unbalance and dc offset on evm. secondly we review the basic principle of phase locked loop and it ’ s composing parts, including the basic conception and design method of pll frequency synthesizer, especially introduce the charge pump pll frequency synthesizer in detail
首先，在闡述i / q正交調制基本原理的基礎上，通過對誤差矢量和鄰近通道功率泄漏的詳細分析，定性、定量地討論了各種非理想電路因素（如相位不平衡、幅度不平衡、直流偏差等）對調制器性能的影響;其次，介紹了鎖相環的工作原理和基本組成部分，包括鎖相環的設計和環路濾波器的設計，特別詳述了電荷泵鎖相頻率源;第三，介紹了採用直接調制技術模擬衛星信號的射頻前端的設計;最後，對整個直接射頻調制系統進行測試，結果基本上達到了課題要求。While carrying out the scheme, at first, the basic theory of antenna, array antenna and electromagnetic absorption, the performance parameter of antenna and parabolic antenna are deeply researched. in conformity, the characteristic and calculation of aperture field and near - to - far - field transformation for radiation pattern are detailed analyzed. second, the factors such as, the amount of the antenna elements, mutual coupling between each element, ground and the buildings on earth ' s surface, which affect the performance of array antennas ’ resultant field are stressed discussed
在系統實現過程中，課題首先從天線、陣列天線，以及電磁場計算方法的基本理論著手，分析了天線與拋物面天線的各項性能參數，以及天線的口面場和近-遠區輻射場的特點和計算;進而，更加深入的討論和研究影響天線陣列合成場強的各項因素，包括系統所使用的天線單元個數對陣列合成場的影響、天線單元之間由於互耦造成的影響、傳播過程中地面和/或地面建築物的影響等。Application of single - tube bi - directional allele specific amplification in snp genetic monitoring of inbred mice
單管雙向等位基因專一性擴增方法在近交系小鼠遺傳檢測中的應用This paper introduces the entropy of the genepool and the genetype of a pair alleles population in inbreeding, and demonstrates the character of genetype entropy, the character of inter - zygote ' s inter - entropy, and the relation between the latter and coefficient of inbreeding in the generation change
摘要研究了在近親繁殖下一對等位基因群體的基因庫信息熵和基因型信息熵，並討論了在世代交替中基因型信息熵的性質、配子間的互信息性質及其與近交系數的關系，並定義了配子間的近交關聯信息系數。( 3 ) inbreeding population to the population that the inbreeding coefficient is f, the population information entropy is a increase function when reach equilibrium in random matting system, that is when fix the f, the population have the largest information entropy ; population information entropy large or equal to the gene distribution entropy, less or equal the two time of gene distribution entropy
（ 3 ）近親繁殖群體證明了近交系數為f的群體在隨機交配下達到平衡的群體信息熵是f的增函數，即f固定時，其值最大；群體信息熵大於等於基因庫信息熵，小於等於基因庫信息熵的兩倍。Genetic analysis on cold tolerance of the hybrids of near - isogenic lines from japonica lijing 2 in rice
水稻麗粳2號近等基因系雜種後代耐冷性遺傳研究First, this paper looks for the national experiences that organizing city traffic in the rodeway system, in conditions of the mobile and no - mobile number being big. then analyzing the questions and reasons in middle - scale - city roadway system, on the base of studying characters of use - land and residents journey, transportation tools and relations of the transportation and economy development, put forward some proposes in roadway system on the base of middle - scale - city characters of basic construction and solving the new problems of city traffic. through analyzing the relations of middle - scale - city roadway system, city land - use and land - shape, put forward some development antidote. in the circumstance of road facilities being lack, improve the level of traffic management of city roadway system, improve traffic environment of city roadway system. put forward some revised proposes on road - net norm of middle - scale - city road system in our country ; consider the plan of isolating mobile form no - mobile in the organization of roadway system ; construct revaluating system of city roadway system. at last through studying a typical case of yuncheng, put forward some solutions and measures ; through using evaluating system, evaluate, contrasts and analyses the present conditions in city roadway system and planning program
本文首先尋求國外機動車和非機動車擁有量都較大的情況下，為組織好城市交通在道路系統方面所取得的可供我國借鑒的經驗，然後在對我國中等城市用地特徵、居民出行特徵、交通工具、交通與經濟發展的關系等進行分析的基礎上，剖析中等城市道路系統現狀存在的問題及其形成原因，以及對今後城市交通將要出現的新問題，提出以中等城市的交通結構特點為基礎的機、非分流道路系統的建議；通過分析中等城市道路系統與城市土地開發、城市用地形狀等之間的關系，並相應其提出發展的一般對策，在道路設施不足的情況下，加強城市道路交通系統的管理，提高城市道路交通環境，對我國中等城市道路系統在道路網指標上提出修正意見，對道路系統組織機、非分流進行思考；並建立了城市道路系統評價指標體系；最後以運城市做為實例分析，具體提出近期處理的對策與措施，並運用評價體系對城市道路系統現狀和規劃方案進行評價對比分析。To meet this challenge, a research project was supported by ministry of communication and bv shanghai zhenhua port machinery co. ltd. focusing on analysis of tdtcd ( traditional design theories of crane drums ) the paper has studied the impacts of features under the binding force of wire ropes, the end - plate and rope slot. this study is based not only on the thin shell theory and viscoelastic mechanics to calculate the strength and stability of drum, but also on an experiment with technology in " state of act "
本文結合交通部重點科技項目「港口起重機鋼絲繩傳動件高性能技術研究」和上海振華港機股份有限公司委託項目「起重機焊接捲筒極限壁厚研究」 ，針對起重機捲筒傳統設計方法偏於保守的情況，以薄殼理論和近代力學為基礎，以現代試驗技術為研究手段，對鋼絲繩緊箍力作用下的外載特性、端板、繩槽等因素對捲筒強度和穩定性的影響進行了系統的理論研究，在深入開展捲筒強度、穩定性和實驗模態分析等試驗的基礎上，提出了有別于傳統方法的捲筒強度、穩定性計算方法。Nfkb ( nuclear factor kappa b ) transcription factor regulate encoding genes of various cytokines such as growth factors and adhesion molecules. recently, studies have revealed nfkb is relationed to trauma
核轉錄因子nf b （ nuclearfactorkappab ， nf b ）是一種重要的生物因子，調控多種細胞因子如生長因子、細胞因子、粘附分子等編碼基因的表達，近來研究表明， nf b與創傷關系密切。The genes encoding enzymes that are needed during the anthocyanin synthesis are conservative in many higher flowering plants, especially among plants that have near relative
在許多高等開花植物中，尤其是在進化上親緣關系比較近的物種，花青素合成各步驟所需酶的結構基因高度保守。However, the existing pattern - based and tendency - based clustering approaches are only designed for finding positive regulated gene clusters. in this paper, a new subspace clustering model called g - cluster is proposed for gene expression data
最近提出的基於模式的聚類方法試圖解決上述問題，但該方法只能發現任意兩個基因表達值間存在某種特定線性關系的共調控基因聚類，如平行，成比例等。Crested ibis ( nipponia nippori ), a kind of peculiar wading bird in east asians facing its extinction because of humanbeings " economic activities. seven crested ibises found at yong county shaanxi province in 1981 were the all wild individuals left in the world then. to protect this rare bird, scholars have carried out a great deal of researches on it in many areas. however, till now, studies is mainly confined to some areas such as ecology and morphology, little was done in the area of molecular biology. phenomina such as disable individuals increasing and adults " producing ability decreasing occurred more frequent in recent years. these badly affected the existence and development of this species. so, getting the information about crested ibis " gene and genetic diversity through studies at molecular level and setting up scientific producing and protecting projections are becoming urgent tasks
為保護這?瀕危鳥類，我國學者對朱?展開了多方位的研究。然而迄今為止，這些研究主要限於生態學、形態學等方面，分子生物學領域則很少涉及。近年來朱?種群頻繁出現諸如殘疾幼鳥增多、成鳥繁殖力下降等問題，已嚴重影響到種群的生存與發展，因此，從分子水平對朱?進行研究，了解其基因信息和遺傳多樣性，並確定個體之間的親緣關系，從而制定科學、合理的繁殖計劃與保護對策，已成為當務之急。Rapl belongs to ras superfamily of small gtp - binding proteins, which is considered to control cell growth, differentiation and survival. rapl was regarded as an antagonist of ras because it can revert the phenotype of oncogene ras transformed cells. recent researches show that rapl has its ras - independent functions in a variety of cellular systems besides its effect as an antagonist of ras
Rap1除具有逆轉原癌基因ras激活突變體所導致的細胞形態改變而被認為是ras的拮抗物外，最近的研究還發現rap1在一系列的細胞系統中有獨立於ras之外的功能，如控制與細胞粘附有關的事件等，因而成為研究的熱點。This paper reviews the recent advances in yeast expression systems used in recombinant protein drugs produced by gene engineering, such as the selection of yeast vector system and yeast expression strain, construction of multi - copy strain, the high yeast cell density culture, the recent situation of yeast system applied in expression gene, defect of yeast expression system and countermeasure, etc
摘要本文主要從酵母載體系統的選擇、酵母表達宿主的選擇、多拷貝菌株的構建、高密度發酵培養酵母細胞、應用酵母系統表達外源基因的研究現狀、酵母表達系統的缺陷及對策等幾個方面綜述了近年來酵母表達體系在基因工程重組蛋白藥物開發方面的研究進展。Research in recent years showed that dna methylation play a role in regulating gene expression, but the assay on relationship between dna methylation and flowering were mainly focused on model plants such as arabidopsis
近年來的研究表明， dna甲基化在植物基因表達調控中發揮重要的作用，但有關甲基化與植物開花關系的研究只是在擬南芥等模式植物上進行的較多，其它植物上的報道還很少。The paper summarizes research advances about the developments of somatic embryos in several conifers, which have appeared at home and abroad in recent years, mainly in the effects of medium components in tissue culture and aba on the development of somatic embryos, and cytology, programmed cell death, genes and protein composition related to the development of somatic embryos, and further discusses the developmental mechanisms of somatic embryos and the role of somatic embryos in genetic transformation system
本文綜述了近年來國內外有關裸子植物中幾種松杉類植物體細胞胚發育過程的研究報道，其中主要涉及培養基成分和脫落酸（ aba ）對體細胞胚發育的影響，以及體細胞胚發育在細胞學、細胞程序性死亡、相關基因和蛋白質組學等方面的研究進展，並進一步討論了松杉類植物體細胞胚的發育機理，以及體細胞胚在遺傳轉化系統中的作用。Abstract ： this review introduced the research process of the establishement of genetic transformation system in maize. the method and integration and expression of exogenous genes were also discussed
摘要本文介紹了近年來玉米遺傳轉化系統的建立、基因導入手段、方法等方面的研究進展。分享友人