均質種群 的英文怎麼說
中文拼音 [jūnzhízhǒngqún]
均質種群
英文
homogeneous population-
The results showed that the mean proportion of polymorphic loci ( ppb ) of anabasis aphylla, which comprised 3 subpopulations ( 58 individuals sampled ), generated by 16 primers was 94. 56 %, the value of ppb of ceratocarpus arenarius, which had 4 subpopulations ( 80 individuals sampled ), using 16 primers was 98. 00 %. the paper had proved that the higher genetic diversity and the genetic differentiation existed in the populations of boih anabasis aphylla and ceratocarpus arenarius, while the latter had much more genetic diversity than the former. moreover, the study discussed the shannon information index and nei ' s gene diversity index of the two species natural populations, which indicated that there were more genetic variations within the subpopu
另外，通過rapd資料的聚類分析及相關性分析研究，發現無葉假木賊和角果藜自然種群的遺傳結構與綠洲沙漠過渡帶的微生境生態因子（主要是土壤因子）相關，其中無葉假木賊亞種群遺傳多樣性水平不僅與土壤含水量（ w ） 、鉀鈉離子濃度（ k + na ）和氯離子濃度（ cl ）呈顯著的正相關（ p 0 . 05 ） ，還與土壤中有機質（ som ） 、全氮（ nt ）和全磷（ pt ）含量呈顯著的負相關；同時，角果藜種群的遺傳多樣性水平與土壤中有機質（ som ）和全氮（ nt ）含量呈顯著的正相關，而與co _ 3 ~ （ 2 - ）濃度呈顯著的負相關；除此之外，其它土壤生態因子與兩物種遺傳多樣性水平的相關性均不顯著（卜0 . 05 ） 。The populations of cathaica cavimargo are distributed in a number of heterogeneous habitats, from the hillside to the valley. these populations ( more precisely, subpopulations ) have pronounced variations in population density, shell biometric characters and shell colouration
從山腰到山谷， cathaicacavimargo在許多異質環境中均有分佈，這些這些種群（或更準確地講亞種群）的密度、貝殼大小和貝殼顏色之間存在一定程度的差異。This obstacle splits a previously homogeneous population into two, preventing interbreeding between the new populations and allowing them to drift apart genetically
這種障礙將先前的均質族群分裂成兩個，使?們無法交配，讓?們各自遺傳漂變而漸行漸遠。Twenty f1 combinations crossed among 5 varieties and strains different in fiber properties according to complete diallel crossing design were used to evaluate the heterosis and gene action of boll weight and lint percentage in high quality fiber property varieties in upland cotton in 1998 1999 for two year successively at nanjing. it was indicated that there existed small interactions with the environmental factors without maternal effects and the additive gene effect was in chief, attaining to 51. 2 % and 65. 4 % respectively for boll weight and lint percentage. the dominant effect was also in higher rate, 32. 6 % and 16. 8 % respectively. the population mean heterosis of boll weight and lint percentage over the mid - parental mean were relatively prominent 13. 3 % and 3. 5 % respectively in extreme significance. however, boll weight showed no significantly surpassing parental f1 heterosis over the better parent based on population mean ( 2. 0 % ) ; while the lint percentage expressed significant negative heterosis value ( - 2. 1 % ). the gene actions were in conformity with the heterosis expression. it was shown clearly that the f1 combinations crossed between parents with similar performances had relatively high dominant effects and significant positive f1 surpassing parental heterosis ( f1 heterosis over the better parent ) ; while no f1 combination crossed between the parents with prominent mutual difference surpassed the higher parent in yield components, which indicated that among those parents with less difference and close relationships, there still existed sufficient genetic variation or certain mechanism for creating variation and achieving greater advances in breeding. correlation analyses also indicated that there still existed severely undesirable negative correlation between yield and fiber properties as well as the difficulties for their simultaneous improvements
利用5個具有不同纖維品質性狀的品種（系）配製完全雙列雜交組合20個，通過親本和f1的2年隨機區組試驗發現產量性狀的鈴重和衣分與環境的互作效應小，不存在母體效應，並以加性遺傳效應為主，分別占表型方差的51 . 2 %和65 . 4 % ;顯性遺傳效應所佔的比率也較高，分別為32 . 6 %和16 . 8 % .鈴重和衣分的群體平均優勢較大，分別為13 . 3 %和3 . 5 % ，達到了極顯著;鈴重的超親優勢為2 . 0 % ，不顯著;衣分為顯著的負值（ - 2 . 1 % ） .遺傳分析與雜種優勢結果一致.具體表現在產量性狀上，親本相當配製的組合雜合顯性較高，其超親優勢正向顯著，而極值親本（差異較大）所配組合沒有超過高親的.這表明親本差異小、親源關系較近的親本中仍然存在足夠的遺傳變異或某種機制以創造變異使育種取得更大的進展.相關分析表明了仍然存在嚴重的品質與產量的負相關，遺傳改良的難度較大The reasonable model of exploiting and utilizing to the plant resources is put forward, which should be mainly protected. all kinds of communities are analyzed. the aubor ' s average height of karst evergreen - deciduous forest is 6. 88m. theuper arbor ' s average height is 13. 07m. the highest one reaches 25m. the community cover ratio is over 90 %, only few gaps existnatural convalescence forest is inferior to karst evergreen - deciduous forest in the restoration degree. there are a few tall arbor in the community. the height of alpine shrubs forest is 1. 00 to 2. 00m. there is no dominant species. the average height of karst shrubs forest is 0. 97m. the rhus chinensi s, desmodium racemosum and golochidion pubrum are the dominant species
以觀賞及綠化樹種、用材樹種和藥用植物等歸類對洛塔植物資源作出了評價，觀賞植物主要有：玉趼、百合、繡球花等；用材樹種有大葉櫸、香果樹、光灰楸等；藥用植物有南方紅豆杉、杜仲等，並提出了對植物資源以保護為主的合理開發利用模式。分析各類型植物群落的保護年齡，地質與土壤背景以及群落基本結構和特徵，喀斯特常綠落葉林喬木層平均高度為6 . 88m ，上層喬木平均高13 . 07m ，最高可達25m ，群落郁蔽度達90以上。This study dealt with the identification and evaluation of 8 maize populations from tropical and subtropical regions under the ecological conditions in zhengzhou, henan. results showed that the significant delaying days to shed and days to silk, discoordinating for the development of male and female, higher plant and ear height, more leaf numbers, high barreness, worse performance of ear traits compared with the ck ( temperate population ) were found, which showed the tropical and subtropical populations could not be utilized directly under the ecological conditions in zhengzhou. by using selection and improvement the tropical and subtropical populations can be used to broaden the genetic base of temperate maize breeding, beause of the greater genetic variation and higher selection potential within each population. the different performances of the sensitivity to photoperiod were observed among different tropical and subtropical populations and different traits. the asi, time to silk, ear height, leaf numbers, grain yield per ear could be used as the good evaluation traits for identifying the sensitivity to photoperiod
對8個熱帶、亞熱帶玉米群體在鄭州生態條件下的表現進行鑒定和評價，結果表明，熱帶、亞熱帶群體散粉、吐絲期顯著延遲，雌雄不協調，植株和穗位高、葉片數增多、空稈率高，結實性差，果穗性狀均明顯劣於溫帶對照，在鄭州生態條件下不能直接利用，但是群體內具有較大的遺傳變異和選擇潛力，可以用來拓寬現有玉米種質的遺傳基礎；不同熱帶、亞熱帶群體的光周期敏感性不同；不同性狀對光周期反應的敏感程度不同， asi 、吐絲期、穗位高、葉片數、穗粒重可作為鑒定光周期敏感性的較好指標The main nutritious value come from its radicle, which is rich in minerals, proteins and b vitamins. this unique blend of green tea and brown rice create a very distinct flavour and pleasant taste. also with its nutritional benefits, this tea is commonly consumed by the japanese as favourite everyday drink
玄米即是糙米，糙米富含稻米的均衡營養，糙米的營養價值主要在它的胚芽，它含豐富的蛋白質以及豐富的維生素b群b1 b2 b6 b12和維生素a等，營養價值非常高，所以玄米加綠茶，這種口味獨特，茶味芳香甘醇的玄米茶，是日本人日常生活中不可或缺的飲料，也是養生保健的好茶。In this paper, adopting the several common use parameters and methods of systematic sort - average - clustering, author researched the insect community ( including spider ) in harmless control section, general and blank control sections during nov, 2001 to oct, 2002 in shenzhen city. the results indicate : the insect community in shenzhen city includes 18 orders ( insecta : 16 orders, spider : 2 orders ) and 369 species
本論文採用群落性質的幾個常用參數及系統類平均聚類法，於2001年11月至2002年10月對深圳市荔枝無公害防治園、常規防治園及空白園昆蟲群落（包括蛛形綱）進行了分析研究，結果表明：深圳市荔枝園昆蟲群落共包括18個目（昆蟲綱16個目和蛛形綱2個目） ，共369種。It takes good use of these two numerical computation methods merits and it is valuable for defmiting the computation model of pile ? oil ; at the same time, it builds the computation model of compound pile foundation and uses the software ansys which is about finite element to build the mechanics model. in regular quality soil, the result worked by this way has good unanimity with traditional results, so it applies us strong evidence for using the way which this article tells us to solve problems which is difficult to handle in compound pile foundation, such as irregular quality, layer quality of the soil. at last, taking foundation soil ' s measuring data of liaoning technology university ' s test building for example, and using the way this article tells us to build compution module, we solve the sharing ration of pile and loading board
本文利用有限元與邊界元耦合的方法求解樁土相互作用問題，充分利用兩種數值計算方法的優點，對確定樁土相互作用計算模型是一次有益的嘗試；同時建立了群樁相互作月的數學模型，並利用有限元分析軟體ansys建立其力學模型，在均質土體中取得了與傳統解答較好的一致性，從而為拓展利用本文所述建模方法，解決群樁作用機理研究中難以處理的土體成層、非均質等性質，提供了有力的根據；最後，以遼工大實驗館地基土實測資料為例，利用本文建模方法，求解出承臺與樁的荷載分擔比，對安全、經濟地進行群樁基礎設計具有重要指導作用和應用價值。With the method of the lie group transformation, the symmetry of the equation governing one dimensional finite strain consolidation is discussed and, from the point of the symmetry, the feasibility to obtain the analytical solution of these nonlinear partial differential equations is discussed. where - after exact or approximate analytical solutions focused on different consolidation problems are obtained, these including : under some assumptions of relations of the void ratio with coefficient of permeability and effective stress, the method of lie group transformation is applied to solve the non - linear partial differential equation of large strain consolidation of homogenous saturated clay soil in semi - infinite domain with the consideration of the material and geometrical nonlinearity during consolidation procession. the implicit exact solution without considering the effect of self - weight of soil is obtained
運用lie群變換方法討論了一維大應變非線性固結方程的對稱性，以及在該對稱性的意義下求解這類非線性偏微分方程解析解答的可能性，並就大應變非線性固結問題的多種情況求得了其完整的或者近似的解析解答，具體包括：基於有效應力與孔隙比以及滲透系數與孔隙比之間的關系的一些假定，採用李群變換求解考慮材料非線性和幾何非線性的半無限均質土體大變形固結非線性偏微分方程，得到了一個不考慮自重固結的完全解析解。Our results showed as follows : 1 ) the spl and rsal polymorphisms of the collagen type 1 alpha 1 ( col1 al ) gene, the - 174g / c promoter polymorphism of the interleukin - 6 ( il - 6 ) gene, the asn363ser polymorphism of the glucocorticoid receptor ( gr ) gene, and the t ? c polymorphism in intron 5 of the transforming growth factor pi ( tgf - p ! ) gene are absent or too rare in chinese. compared the polymorphisms of these five markers with other populations using % 2 test and fisher ' s exact two - tailed test, significant differences of allele and genotype frequency distributions were observed at these polymorphisms ( p < 0. 001 )
結果表明： 1 ）白介素6 （ il ? 6 ）基因的? 174g c多態性、型膠原蛋白_ 1 （ col1a1 ）基因的sp1和rsa多態性、轉化生長因子_ （ tgf - _ 1 ）基因的內含子5t c多態性和糖皮質激素受體（ gr ）基因的asn363ser的多態性在中國人群中均未發現或者多態性很低； x ~ 2檢測和fisher精確（雙尾）檢驗比較這些多態性的頻率，發現在中國人群與其它種群或人群中，等位基因和基因型存在顯著的差異（ p 0 . 001 ） 。For multi - granularity application, both a lambda - group model used in traffic grooming and a new intelligent switching fabric based on the new model were presented. the optical switching fabric presented a distinctive approach of dividing granularities into specific tunnels for effective optical treatment. in addition, two key dynamic algorithm modules of configuration for granularity separation in the control layer were discussed. simulation results show that the method of particular channel partition can greatly improve the average channel quality and the blocking performance along every optical path for dynamic connection requests
針對多粒度應用，開發了一種用於流量疏導的波群模型，並引入一種基於此模型的新型智能交換結構.該光交換結構提供了獨特的區分粒度到相應隧道進行有效處理的方法.此外，還討論了控制層粒度分離時採用的兩個關鍵的動態演算法模塊.模擬結果顯示這種特殊的通道分離方法有效提高了處理動態連接請求時每個光路徑的平均信號通道質量和阻塞性能Zinc oxide ( zno ) is a wide band gap ( 3. 4ev ) semiconductor with the hexagonal crystal structure ( wurtzite type ). zno thin films with the c - axis orientation perpendicular to the substrate show excellent piezo - electrical properties and are widely used in piezo - electrical filed. and the dense anjd uniform surface of the films is required when zno thin films are used as integrated functional films
Zno屬於六方晶系6mm點群，晶體在c軸垂直面上的電性和彈性都是對稱的，因而c軸擇優取向的多晶薄膜能夠具有單晶那樣的壓電性和光電性質，而具有平整均勻的表面形貌則是zno薄膜作為一種集成功能薄膜應用性能的保證。Horizontal partition for initial population construction can guarantee the feasibility and quality of initial solution
種群初始化技術採用均衡水平分割法，以保證初始個體的有效性和質量。3. using liner stepwise regression way, the author analysis the relationship between soil factors and biodiversity indices
有機質與群落物種豐富度、多樣性指數以及均勻度指數jsi之間呈負相關。分享友人