genetic soil 中文意思是什麼

genetic soil 解釋
原生土壤
  • genetic : adj. 1. 遺傳(學)上的。2. 發生的,發展的;創始的。adv. -ically
  • soil : n 1 泥土,土壤;土質。2 土地,國土。3 滋生地,溫床。4 農業生活,務農。n 1 臟東西,污物,污穢,污...
  1. Genetic diversity and phylogeny of 55 slow - growing rhizobia isolated from peanut ( arachis hypogaea ) in china were determined by analysis of host - plant range, phynotype, 16s rrna rflp, 16s rrna sequence, 16s - 23s igs rflp, rapd, rep - pcr, dna - dna hybridization homology. at the same time, the competitive nodulation capacity of rhizobia, effect of host plants and soil ph on the rhizobia were determined for screening and improvement of high effective rhizobium inoculant

    本研究採用宿主范圍試驗、表型性狀測定、 16srrna - rflp 、 16srrna序列分析、 16s - 23srdnaigsrflp分析、 rapd分析、 rep - pcr分析和dna - dna同源性分析等技術系統研究了從我國不同地域分離的55株花生根瘤菌的遺傳多樣性及其在根瘤菌系統發育中的地位和相互關系。
  2. In addition, the computer method is proposed to get the stochastic pile capacity and the random optimum analysis is done in virtue of the genetic algorithm which can easily think over the influence of the randomness of pile capacity on the internal force of capping beam based on the thorough analysis about the primary factors influencing the randomness of pile capacity. an optimization program is worked out for the analysis which can consider the pile - soil - cap interaction and the non - linear character of the foundation soil

    此外,本文對影響基樁承載力差異性的主要因素進行了深入分析,提出了基樁承載力隨機生成的計算機方法,並採用遺傳演算法對承臺梁內力進行隨機優化分析,可方便地考慮基樁承載力隨機性對承臺梁內力的影響,並開發出能考慮樁?土?承臺共同工作及地基土非線性特性的樁基承臺梁內力優化分析程序。
  3. Degradation and survival of genetic recombination microorganisms in anthracene - contaminated soil and water

    降解蒽遺傳重組菌在蒽污染環境中的降解和存活能力研究
  4. Phytoremediation for heavy metal contamination in soil, metal hyperaccumulator and their genetic engineering

    土壤重金屬污染的植物修復與金屬超富集植物及其遺傳工程研究
  5. Furthermore, the study indicated that the genetic diversity of the natural population of reawnuria soongorica increased with the decreasing of the content of organic matter, water, total n and total p in soil, which had some relation with more potentiality of the genetic and variation of reawnuria soongorica in its long - term evolution to adapt worse environment

    經分析表明,無葉假木賊種群與角果藜種群的shannon多樣性指數分別為0 . 1403和0 . 1615 ,基因分化系數( g _ ( st ) )為0 . 1469和0 . 1659 ,揭示了兩物種種群遺傳變異多存在於亞種群內,亞種群間的遺傳分化則不明顯。
  6. Referencing between the genetic soil classification of china ( gscc ) and the chinese soil taxonomy ( cst ) for gscc - high - mountain - soils was conducted and their quantitative and spatial distribution characteristics within cst were studied, based on the 1 : 1m soil database of china, which consists of 3 parts, 1 : 1m digital soil map, soils profiles attribution database and soil reference system of china

    摘要本文利用最新建立的1 : 100萬中國土壤數據庫,研究了我國發生分類高山土與中國土壤系統分類的參比及其在系統分類下的空間分佈和數量特徵。
  7. From 1950s , geographical - genetic classification theory originated from the former soviet union exerted its extreme impact on soil classification of china

    在地理發生分類體系中,按生物氣候氣候條件,熱帶、亞熱帶地帶性土壤分別為燥紅土、紅壤、黃壤、赤紅壤和磚紅壤。
  8. A new analysis method of interior stability of soil nailing wall complex genetic algorithm used for seeking the most dangerous sliding surface

    深基坑土釘墻內部穩定性計算新方法最危險滑裂面復合遺傳進化搜索策略
  9. The most dangerous sliding surface and the corresponding minimum safety coefficient of slope stability with soil nail structure are searched by empirical genetic - simplex algorithm. the results obtained by empirical genetic - simplex algorithm are compared with the ones obtained by general genetic algorithm

    用經驗遺傳-單純形演算法尋找了土釘支護結構最危險滑裂面及其對應的最小安全系數fsmin ,從而實現了十分重要但計算量很大、很繁瑣的尋優過程。
  10. So karst vegetation is charactered by petrophile, xerophile and calciphihe in those areas where soil cover is very thin, and the underground drainage system is well developed. the running of karst ecosystem is controlled by two subsystems, which are karst dynamic system in inorganic life and genetic information transmitting system in organic life

    巖溶生態系統的運行受到兩個子系統的聯合作用驅動,即無機方面的「巖溶動力系統」和生命方面的「遺傳信息傳遞系統」 ,但主要受以碳、水、鈣循環為中心的巖溶動力系統的控制。
  11. The genetic diversity level ofreaumuria soongorica had the negative correlation with the content of soil total p and cl " significantly ( p < 0. 05 ), on the contrary, it had the positive correlation with co32 - significantly ( po. 05 ) but there was no significant correlation between the genetic diversity and the other salt factors in soil, which showed that the distribution of the individuals of reawnuria soongorica correlated with some certain soluble salt

    研究結果表明:無葉假木賊種群的多態位點比率( ppb )為94 . 56 ,角果藜種群的多態位點比率則為98 ,顯示出分佈於過渡帶的無葉假木賊和角果藜種群內均存在較高的遺傳多樣性,而角果藜種群遺傳多樣性水平高於無葉假木賊種群。
  12. In the evening, master continued to answer questions from fellow initiates, one of which concerned genetic engineering genetically modified vegetables related to the implantation of animal dna into plants. she then invited initiates who had some understanding of this subject to share their views from the standpoints of spirituality, influences on the environment, various species, soil and nutrition, organic crop cultivation, food issues, and famine

    有位同修提到,目前有不少將動物基因植入植物中的所謂基因改良工程,師父邀請對這個議題有了解的同修加入討論,討論的觀點從靈性的角度,到對生態物種土壤營養的影響,擴及有機耕作糧食與饑荒等問題。
  13. The ecological risk for genetically modified crops is analyzed from five aspects, such as impacts of genetically modified crops on biodiversity in agricultural ecosystem and soil community, genetic pollution of genetically modified crops, effects of genetically modified crops on resistance of target insects and non - target organisms

    摘要本文從轉基因作物對農業生態系統中生物多樣性和土壤生物群落的影響、轉基因作物的遺傳污染、轉基因作物對靶標昆蟲抗性及對非靶標生物的影響等5個方面,分析了轉基因作物的生態風險。
  14. Additionally, through the use of clustering analysis, principal factor analysis and the correlation analysis, we found that the genetic structure of natural population reawnuria soongorica was related to the ecological factors ( soil factors mainly ) of the oasis - desert transitional zone

    而其它土壤生態因子則與紅砂的遺傳多樣性指數的相關性均不顯著( p 0 . 05 ) 。表明紅砂個體的分佈可能與過渡帶土壤的某些易溶性鹽分相關。
  15. Taking erectophile type continuous vegetation as a example, authors had done many monte carlo simulations, and established empirical analytic expressions of radiances with component temperature, soil emissivity and leaf area index. empirical analytic expressions were used to construct objective function and genetic algorithm was employed to synchronously retrieve 5 parameters, such as component temperature, soil emissivity and lai, from thermal infrared 2 channels and 2 angles data. many experiments of genetic algorithm inversion from simulated data were conducted, results show that it is very robust to retrieve component temperature using genetic algorithm ; genetic algorithm can cope with uncertainty inversion problem pretty well if full advantage of priori knowledge was taken. comparison between inversion results and ground - truth data has been done. this paper offers a new example to retrieve component temperature from multi - channel, multi - angle thermal infrared data based on the model of directionality of thermal radiance

    在熱輻射方向性規律的基礎上,以喜直型連續植被為例,進行了大量的monte carlo模擬,建立了輻射亮度和組分溫度植被葉面積指數及土壤比輻射率之間的經驗函數關系。採用遺傳演算法,從熱紅外2個波段2個角度數據中,同時反演混合像元組分溫度土壤比輻射率和葉面積指數等5個參數。通過對模擬的觀測數據進行大量的遺傳演算法反演試驗,結果表明,遺傳演算法反演組分溫度非常穩健,在寬松的先驗知識條件下,遺傳演算法可以解決不確定性反演問題。
  16. This thesis contrasts and analyses the different calculation - method, and improves the genetic algorithm in the parameter inversion of the rock and soil engineering. the strategies are mainly in the following three aspects : 1, new searching way is compositely searching genetic algorithm which is made up of the acceleration method and genetic algorithm when it partially calculates in the later time ; 2, index function is inducted in gengetic operators, at the same time repeated select and double exchange pool are used ; 3, splicing crossover, which reserves some new evolution factions, improves authority function accaunting the capabilities and kinds

    本文對優化演算法中不同求解方法進行對比分析,針對遺傳演算法在巖土工程參數反演運算中進行了改進,改進的策略主要集中於三個方面: 1 、提出了在遺傳演算法中融入形加速法的改進方法? ?復合遺傳搜索法; 2 、針對遺傳運算元的選擇策略,引入指數適值方法,設置雙交換池,提出了重復篩選法; 3 、加強對劣勢種群的內部優良信息的遺傳功能的改進,引入權函數,擴大可交叉運算元的種類,保留各運算元的進化功能,提出了融合交叉運演算法。
  17. At the same time, the soluble salt in soil of the oasis desert transitional zone might play a role in maintaining the genetic diversity of p. sibiri

    綜合上述研究,可得出以下結論:叉毛蓬居群的遺傳多樣性水平較高,可以適應不斷變化的環境壓力。
  18. 4. the result of soil taxonomy consist fundamentally with that of the genetic classification and the boundaries roughly identify with each other, indicating the taxonomic classification is based on the genesis theory and the two classification system are touched tightly

    土壤系統分類與地理發生分類的分類結果是基本吻合的,分佈界線也大體一致,說明系統分類是以土壤發生學理論為基礎的,兩種分類體系有密切聯系。
  19. Fourteen typical profiles of different altitude on the south slope of the taibai peak of qinling mountaint, which is 3767 meters in altitude, were researched in this study. by field survey, the physical and chemical characteristics anasysis of the soils, we studied thoroughly the soil genetic, discussed the positions in taxonomic classification and the distribution of the soils on the basis of the keys to chinese soil taxonomy ( 3rd edition ), and to provide the foundation of soil taxonomy of mountain and resources development

    本研究以海拔3767m的秦嶺主峰太白山南坡不同海拔高度的14個典型土壤剖面為研究對象,通過野外調查、室內理化性質分析,研究了土壤的發生特性,以《中國土壤系統分類檢索(第三版) 》為依據,確定了其在系統分類中的地位和分佈界線。旨在為山地土壤系統分類和土壤資源開發利用提供依據。
  20. Comparisons are made among the all quantitative analysis methods for the determination of soil compactness proposed herein, and the result shows that the models based on information optimization and on genetic algorithm ( ga ) are the best

    對本文提出的各種土密實度定量分析方法進行了對比分析,分析結果表明:基於遺傳演算法和信息優化的神經網路模型的分析效果最佳。
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