色異構體 的英文怎麼說
中文拼音 [shǎiyìgòutǐ]
色異構體
英文
chromoisomer-
Dna specific staining ; namaur method ; chromosome structure ; allium cepa
Dna特異染色nama - ur方法放射環結構洋蔥染色體Frame columns inset the filler - wall, avoided the influence that the comer of the room columns outstanding to indoorses view and take up the using space. at the same time, this structure has some advantages as the frame structure, such as arranging neatly, comparting easily etc., deeply welcoming by inhabitant and real estates company, is a building structure system that have the vast development foreground and satisfying the request of green building ". current, the reinforced concrete special - shaped columns structu re system lacks the actual measuring data of earthquake damage and the comprehensive aseismic performance of structure system, the structure system not yet is included in the national code, needing the thorough research
鋼筋混凝土異型柱結構體系,採用t形、 l形、十形截面柱代替傳統的矩形截面柱,以輕質材料製作的框架填充墻代替自重較大的粘土磚填充墻;框架柱隱于墻內,避免了屋角柱楞突出對室內觀瞻及佔用空間的影響,同時,又具有框架結構布置靈活、易於分隔的優點,深受住戶及房地產開發商的歡迎,是一種滿足「綠色建築」要求並具有廣闊發展前景的建築結構體系。The origin of such large amounts of constitutive heterochromatin and their role in karyotype evolution and speciation remain a mystery.
如此大量的結構異染色質的來源及其在染色體組型進化和物種形成中的任務仍是一個謎。Cells only the chromatin or chromosomes are heavily stained, the other components are bleached. after the chromosomes are stained by nama - ur, we have observed that the highest order structure of chromosomes is helical ; while the secondary structure is radically folding. the dna fibres with a diameter of 2530 nm have radically folded into chromatid fibres in a diameter of approximately 250 nm
染色體經dna特異染色后,觀察到其最高層次結構是螺旋的,而次級結構存在著放射環結構,即由直徑為2530 nm的dna纖絲放射狀折疊排列成約250 nm左右的染色單體絲染色單體絲進一步螺旋形成中期染色體結構。Quinic acid, used shikimate pathway in e. coli, it is necessary to extend metabolic pathway by introduction of a heterogenous gene qutb into the host cell. double specific enzyme genes arog, qutb or three ones arog, qutb, arob were co - expressed in a single plasmid pbv220 to improve the enzymes " rate - limiting reactions. modifications of e. coli chromosome by both disruption of the arod gene and directed - site insertion of the arob gene resulted in the change of carbon flow redirected into the quinic acid biosynthesis branch
利用大腸桿菌莽草酸途徑合成新的代謝物奎尼酸,須在宿主細胞引入異源酶基因擴展代謝途徑;串聯表達酶基因,同時適量增加不同種屬的多個關鍵酶酶量,改善限速反應;利用同源重組進行基因整合和基因破壞,改造染色體結構定向改變微生物代謝途徑;目的是將碳代謝流最大程度的引向奎尼酸生成的方向。In nature conditions, without the injection of the extraneous hormone, the females and males of f _ 9 - f _ 12 could mate each other to produce new next generation of tetraploids. with the stable genetic tetraploidy and the fertility in the nature environments, this allotetraploid population possessed the key factors to form a new species with 200 chromosomes
F _ 9 ? f _ ( 12 )染色體數目的穩定性和正常的性腺結構以及自然條件下的生殖傳代行為,說明該異源四倍體鯽鯉已成為一個染色體數目為4n = 200 、遺傳性狀穩定的新型四倍體魚群體,具備形成一個新的種群所需的關鍵因素。Several kinds of herbicides treating together show an antagonistic action also exist, even tend to intensify. the results also indicate that the inductive effect was weakened when 2 - ethy - 4 - chloro sodium hydration operated with other herbicides. nc - 302d ( + ) can evidently increase the frequencies of numerical and structural chromosomal aberrations
除草劑精禾草克試驗組泥鰍染色體數目畸變率均有明顯上升,有的組甚至與對照組差異極顯著( p 0 . 01 ) ;各試驗組染色體結構畸變率與對照組差異均極顯著( p 0 . 01 ) 。There are a series of lead - zinc polymetallic deposits, such as fozichong, dongtao, xiashui, wenlongjing and jilongding distributed along the fault zone. these deposits have some similiar features : ? ll of them are bounded in the strata of lower palaeozoic group ; ? ain orebodies occur as stratiform or stratoid form with occurrence consistent with that of host strata ; ? tratiform skam or baritic rock are the direct country rock of orebodies ; ? ypical syngenetic sedimentary fabric preserved in the ore. these deposits may be included in the same metallogenic series
佛子沖、東桃、下水、文龍徑、雞籠頂等一系列鉛鋅多金屬礦床沿該斷裂帶分佈,這些礦床雖然在成礦規模、賦礦層位和礦石礦物組成等方面存在一些差異,但均產于下古生界地層中;主要礦體呈層狀、似層狀產出,與地層產狀大體一致;直接賦礦圍巖為層狀綠色巖或重晶石巖;礦石中保留有典型的同生沉積組構。The topics include : structure and function of genes, chromosomes and genomes, biological variation resulting from recombination, mutation, and selection, population genetics, use of genetic methods to analyze protein function, gene regulation and inherited disease
主題包括:基因、染色體與基因組的結構和功能;來自於基因重組、突變和篩選的生物變異;族群遺傳學;運用遺傳學的方法分析蛋白質的功能,基因的調控和遺傳性疾病。In this paper, a genetic algorithm was presented to solve the problem of the searching of the optimal coalition structure. we designd one - dimension chromosome coding structure and the corresponding improved uniformity crossover operator and the heuristic mutation operator
我們給出了一種求解最佳聯盟結構的gas演算法,設計出了一種簡單的一維自然數染色體編碼結構和改進的均勻交叉運算元以及啟發式變異運算元。Up to now, extensive biological, chromosomal structure and variation, dna polymorphism, breeding application as well as pest control studies have been conducted. alpha - amylase is a functionally important enzyme for silkworm that feed on mulberry leaves
迄今已對野桑蠶進行了廣泛的生物學上的研究、染色體結構及變異研究、 dna多態性研究、家蠶育種上的應用研究以及作為桑園害蟲防治上的研究。Crossover is implemented using arithmetic crossover operator. then unsymmetrical mutation is conducted using the new mutation operator which can expand the scope of chromosome gene value, at the same time, the chromosome with the highest fitness values are retained for each iteration. a lot of experiments are implemented to obtain the optimized initial weighs and bias
生成了三維矩陣表示的染色體,進行了聯賽選擇,利用算術交叉運算元進行了交叉運算,利用構造的新的變異運算元,進行了非均勻變異,同時保留了每次進化運算后最優的適應值,通過大量實驗,實現了遺傳演算法優化bp網路的初始權值和閾值的目的。Abstract : a high performance liquid chromatography ( hplc ) method for determing the 2, 4 - / 2, 6 - isomer ratio in commercial. toluene diisocyanate ( tdi ) was developed
文摘:建立了測定工業甲苯二異氰酸酯中2 , 4 -和2 , 6 -體異構比的液相色譜法。Ion - exchange filler are used in ion - exchange chromatogram ; filler such as gel or polymer microsphere are used in molecular exclusion chromatogram, etc ; chiral bonded filler is used in chiral resolution of corresponding isomer
離子交換填充劑用於離子交換色譜;凝膠或高分子微球等填充劑用於分子排阻色譜等;手性鍵合填充劑用於對映異構體的拆分分析。This paper also introduce wrap design frame in integration platform in detail, and analysts deeply heterogeneous data directory as well. this paper illustrates the benefits of using corba by telling the excellent characteristic of sore. this paper will put forward the research of corba - based heterogeneous data integration system
本文簡要介紹了目前異構數據集成研究中所面臨的問題及相應的解決方案;詳細分析了sore原型系統的整體功能模塊;重點探討了sore原型系統中異構數據源包裝器和異構數據目錄服務的設計和實現;最後通過實例展示了sore原型系統的集成特色。In the laboratory experiment part, human peripheral blood, cultured cells and icr mice were study objects. the changes of mitotic chromosome numbers were measured by human metaphase chromosome counts and statistic analyzed used x2 - test. the changes of meiotic chromosome numbers were measured by mice one - cell zygote chromosome counts and statistic analyzed usedx2 - test. the effects of low dose ionizing radiation on the expression of topoisomerase ii were measured by immunocytochemistry, western blot and rt - pcr
流行病學結果顯示長期小劑量輻射接觸與染色體不分離呈正相關,為進一步在細胞遺傳學和分子生物學方面研究小劑量電離輻射與染色體不分離關系及其機制,本課題第二部分以外周血、培養細胞、 icr小鼠為研究對象,用外周血染色體計數和單細胞受精卵染色體計數的方法研究小劑量輻射和拓撲異構酶復旦大學2000級博士生學位論文11a抑制劑及其二者的協同效應對有絲分裂和減數分裂染色體不分離的影響,用免疫細胞化學染色、 westernblot 、 rt pcr等方法研究了電離輻射引起拓撲異構酶a表達變化。The expression of topoisomerase ii of cultured cells treated low dose ionizing radiation decreased and then returned as time went. and become outstanding as radiation dose and frequency were added. inhibitor of topoisomerase ii could cause chromosome non - dis juction in mitosis and meiosis. and the co - effect of inhibitor of topoisomerase ii and ion
05 ) ,具有隨照射次數增加而增加的趨勢;小劑量電離輻射可以引起拓撲異構酶a表達變化,隨照射后時間延長先下降后回升,隨照射劑量和次數的增加,變化更加明顯;拓撲異構酶11a抑制劑可引起有絲分裂和減數分裂時染色體的不分離;拓撲異構酶a抑制劑和電高輻射的協同作用使染色體不分離更加明顯。Study on photodegradation characters of dichlorophenol isomers by gas chromatography
二氯酚異構體光降解特性的氣相色譜研究Physicochemical determinations may include isoform, electrophoretic, and liquid chromatographic patterns, as well as spectroscopic profiles
物理化學性質包括異構體,電泳和液相色譜行為及光譜性質等。The other is in the case of cultural adjustment. it means students mix one social setting with another different social setting. this research discusses the conception of social boundary crossings first and then analyzes different types of middle school students " social boundary crossings in our country
所謂社會位移有兩層含義,其一是從「身」存群體的再度來說,指從一種社會場所進入角色結構有所差異的另一種社會場所;其二是從文化調適的角度來說,指從一種「社會環境」融入文化結構有所差異的另一種「社會環境」 。分享友人