突變集 的英文怎麼說
中文拼音 [tūbiànjí]
突變集
英文
catastrophe set-
So far the discussion has centered entirely around mutation in the strict sense.
到目前為止，嚴格來講，討論完全集中於圍繞突變問題上。The research of unit root related structure change abroad took place mainly in america in 1990s, which included the so - called " perron phenomena " and " partly anti - perron phenomena "
本文主要研究的是前者。國外，有關單位根的結構突變研究主要集中在90年代的美國，即所謂「 perron現象」和「部分逆perron現象」等。This paper tries to have some innovations in the following aspects : ( 1 ) the main cause of our tax revenue depending mainly on turnover tax is short of innovation in system ; ( 2 ) it ' s innovation in system to impel the rising of income tax in developed counties, which is a good example for us to learn from in the optimization of our tax structure ; ( 3 ) the main function of turnover and income tax should be separated according to their characters ; ( 4 ) the reforms in turnover and income tax should be taken simultaneously, congenially and complementally, although the former will be more progressive while the later more abrupt ; ( 5 ) the essential function of tax is to raise revenue, but its fair - promoting effect is much more obvious in disbursing than in collecting
本文力求在以下幾個方面有所創新： （ 1 ）認為我國稅種收入過度依賴流轉稅的主要原因是制度創新力度不夠； （ 2 ）認為制度創新是推動發達國家所得稅從弱到強的主要原因，提出我國稅種結構優化需要在制度上大膽創新； （ 3 ）提出根據各個稅種的特性，流轉稅和所得稅的主要功能應有所分工； （ 4 ）流轉稅和所得稅的改革應雙管齊下，以漸進的方式改革流轉稅，以突變的方式改革所得稅，分工協作，優勢互補； （ 5 ）提出稅收的主要功能是籌集收入，稅收在徵收環節在促進結果公平方面效果甚微，稅收在支出環節更能有效促進結果公平。Based on sand - storm ' s occurrence times data in ningxia, arctic sea - ice area index data, height and wind fields data of ncar / ncar reanalysis, the basic variable rules and anomalous air circulation background fields of spring sand - storm ' s occurrence times in ningxia are systematically analyzed. more attention was paid on studying the tele - connections between arctic sea - ice areas and spring sand - storm ' s occurrence times in ningxia, and impossible affecting process of greenland sea - ice areas " anomalies on sand - storm ' s occurrence times. the results are as follows : 1
本文根據寧夏沙塵暴發生次數資料、北極海冰密集度資料和ncar / ncep再分析資料，較系統地分析了寧夏春季沙塵暴發生次數的基本變化規律及其異常的大氣環流背景場，重點研究了北極海冰與寧夏春季沙塵暴發生次數之間的遙相關關系以及格陵蘭海冰異常變化對沙塵暴的可能影響途徑，結果表明： 1 、夏春季沙塵暴發生次數在1960 - 2000年有明顯的年代際和年際變化特點，總體呈減少趨勢，且在1984年發生了明顯的突變，有10年和7年左右的周期。Effeets of different water disinfection ways on mutagenicities of organic extracts from tap water
不同消毒方法對自來水中有機濃集物致突變性影響The authors expressed mutant mfn2 in cultured dorsal root ganglion neurons. fragmented mitochondria clustered in cell bodies and proximal axons of these neurons
作者在中培養背跟節神經元中進行mfn2突變表達。線粒體碎片在細胞內生長並聚集於最接近那些神經元軸突的地方。The variational trait of the first temporal coefficient is that the coefficient is often positive in 1960s, often negative in 1970s, the break point often happen in 1960s and 1970s, especialy 1970s ; the fluctuate of the second temporal coefficient of year. spring and autumn appears little change, but appears much change of summer and winter, the break point often happen in 1980s and 1990s, specially 1980s ; the change trend of the third temporal coefficient is not obvious during 1961 to 2000, only appears clear raise in the anaphase 1990s ; it is difficult to detail the positive and negative trend of the fourth temporal coefficient, the situation of the coefficient appears alternant change of positive value and negative value, the break points happen concentratively in 1990s, the situation of the fifth temporal coefficient is like the fourth ' s ; the alternate of positive value and negative value of the sixth temporal coefficient is obvious, then the negative trend take advantage after 1990s, the distribution of the break point is even, but most of them still in 1990s ; the break points happen many times, but it is limited that the break points attain 0. 05 significance test
第一時間系數變化大體有如下特點：對年和季節來說， 60年代系數多表現為正值， 70年代多表現為負值，突變點多發生於60 、 70年代，特別是60年代；第二時間系數在年、春季、秋季表現為波動很小，夏季和冬季則很大，突變點多發生於80 、 90年代，特別是80年代；第三時間系數正負變化趨勢不明顯，只是90年代後期在年和夏季降水中升高明顯；第四時間系數基本無明顯正負趨勢可言，只是正負交替出現，突變點集中出現在90年代；同第四時間系數相似，第五時間系數亦無明顯正負趨勢，突變點多出現在90年代；第六時間系數正負交替明顯，進入叨年代后負趨勢為主，突變點分佈較均勻，但仍以904atvjz多；突變點出良多，但突變區域艾擇no 05 ggrr著性以上的卻有限。Aiming at crack problems in important hydraulic concrete structures, the cause, evolution rule and abnormality diagnosis of the crack are studied in this dissertation by using advanced theories and mathematics and mechanics, such as rough set theory, data mining, neural network, wavelet analysis, chaos theory, and so on, combining with prototype observation data. the main contents are as follows. ( 1 ) mining of cause of crack is proposed by using logic diagnosis, rough set theory, and data mining technique
本文針對重大水工混凝土結構運行期的裂縫問題，應用粗集理論、數據挖掘、神經網路、小波分析、混沌理論、突變理論等前沿數學方法及斷裂力學等力學方法，以及數值模擬等數值模擬方法和邏輯診斷方法，結合實測資料，對運行期裂縫的成因、演變規律以及轉異診斷等方面進行了系統的研究。24 nucleotides differences existed between the vp3 gene of hland b isolates are mainly distributed from 312bp to 4l7bp and 79lbp to i276bp, the two regions might be mainly the high mutation regions. the deduced amino acid sequence of hl isolate has nine amino acids differences with gpv b jsolate which locates mainly in the region from 266aa to 417aa
除個別突變點外，大多數變異集中在兩個區域， vp3基因5 』端312bp - 417bp區和3 』端791bp - 1276bp區，由該序列推導的氨基酸序列與gpvb株有9個氨基酸發生改變，集中在266位和417位氨基酸之間，這一區域可能是vp3基因的高變區。The author reviews the current literature on assessment of mutant mice, focusing on resources the pathologist can use to integrate genomics knowledge with observed findings
作者回顧當代突變小鼠評估之文獻，集中焦點在病理學家于觀察所得之基因遺傳形質的知識等所有資源進行整合。Theoretically speaking, certain crack or damage in structure will result in reduction of stiffness in the local part, and also will result the stress and strain concentration in the same part
理論上，結構的局部裂縫或損傷必然會導致結構局部剛度降低，從而使應變在損傷處發生集中，應變模態振型數值發生突變。Een within each type of cancer, each tumor had its own distinct collection of mutated genes
就是每一種癌癥中，每一種腫瘤類型有其自身不同的突變基因集合。Even within each type of cancer, each tumor had its own distinct collection of mutated genes
就是每一種癌癥中，每一種腫瘤類型有其自身不同的突變基因集合。It is true in difficult cases, such as degraded dna or samples containing minimal amounts of genomic dna. to investigate the sequence diversity of mtdna in taiyuan han population, mtdna nt16081 - 16546 sequences were determined in 58 unrelated han chinese from taiyuan. sscp method was developed as one of screening measures which were used to examine polymorphism of mtdna, so as to supply a rapid and simple method for forensic casework
方法隨機抽取58名太原地區漢族群體無血緣關系個體的靜脈血， edta抗凝，改良的tkm法提取mtdna ， pcr擴增、純化后，應用377序列分析儀進行直接測序分析；對毛發、指甲、骨骼等微量或嚴重降解檢材進行mtdna序列分析；採集同一屍體血液、肌肉、肝、腎、心肌、不同部位的毛乾等組織進行同一性檢測；對20個兩代家系進行突變觀察。When there is original stage support only, the load ratio of surrounding rock gets more and more bigger with the increasing of crust stress, correspondingly, the load ratio of initial stage support gets smaller. when the initial stage support and the second support act each other, the load ratio of surrounding rock is more than fifty percent, and it has little change with the increasing of crust stress. the whole analysis of the surrounding rock and support shows that the bottom arch of liner and the feet of liner have serious stress concentration, so do the sidewalls and the foot of a wall of the surrounding rock
通過屈曲理論分析結果對比表明，彈性屈曲和突變失穩分析的結果比非線性屈曲分析的結果要大得多，非線性分析由於考慮了材料非線性和幾何非線性，因而結果與實際接近實際；當只有初期支護時，隨著地應力的增加，圍巖的荷載分擔率增大，相應地，初期支護的荷載分擔率就減小了；當有初期支護和二次襯砌共同作用時，圍巖的荷載分擔率在50以上，這一分擔率隨地應力的增加其變化不大；支護和巖體的整體分析表明，襯砌底拱及拱腳處應力集中嚴重，隧道巖體側墻及墻角圍巖的應力集中也較大。Another chimera rgd - hw did not showed activity of platelet adhesion and aggregation that rgd sequence is thought to possess after complete refolding and purification, which explained that the resign and the progress of refolding of chimera rgd - hw was required improvement further
另外一個突變體rgd一卜鉚經完全復性及分離純化后沒有顯示出rgd序列應具有的抗血小板聚集活性，說明這個突變體分子設計和氧化復性過程還有待進一步優化。Deals with the specific functions of neurons, the interactions of neurons in development, and the organization of neuronal ensembles to produce behavior, by functional analysis of mutations and molecular analysis of their genes
透過對突變的功能分析及其基因的分子分析，研究神經元的特定功能、發育過程中神經元的相互作用以及產生行為的神經元集合的組成。Objective to establish a complex pcr method and to investigate the genetic polymorphism and population difference of three loci on y - chromosome, so as to provide a database for forensic medicine casework. methods edta - blood specimens were collected from 163 unrelated males in han population in taiyuan. different tissues of one corpse were analyzed including blood, muscle, liver and kidney
方法（ 1 ）樣本採集：隨機抽取163名太原地區漢族無親緣關系的男性個體的靜脈血， edta抗凝，進行dys390 、 dys391和dys393基因座等位基因及單倍型頻率分佈調查；採集同一屍體血液、肌肉、肝臟、腎組織進行同一性檢測；採集20例兩代家系血進行突變觀察；取20例女性個體血進行男性特異性檢驗。Based on the analysis of autonomous underwater vehicle ( auv ) sensor failure, diagnosis methods corresponding to three kinds of sensor failure are presented, that is, through that no sensor output for a long time to diagnose the fault of sensor signal gathered keeping unchanged, linear smoothing to solve the vibration of sensor signal, wavelet transform to inspect the broken sensor signal
摘要在分析水下機器人傳感器故障形式的基礎上，對傳感器可能出現的三種故障形式分別給出了相應的診斷方法，即通過傳感器長時間採集不到數據來診斷傳感器信息保持不變的故障，線性平滑濾波解決傳感器輸出振蕩，小波變換檢測傳感器信息的突變。The past several years have been marked by unprecedented changes in the operating environment, but our mission to achieve sustainable, profitable growth has always been clear and firm, although the need to adjust the pace with reference to the macro environment has at times inevitably impaired our short - term performance.
過去數年，營業環境出現前所未有的突變，集團需要隨著宏觀環境調節步伐，無可避免地對短期表現構成阻礙，然而，爭取持續的盈贏利增長仍為集團清晰與堅定的目標。分享友人