退行性化生 的英文怎麼說

中文拼音 [tuìhángxìnghuàshēng]
退行性化生 英文
retroplasia
  • 退 : 動詞1 (向後移動) retreat; draw back; move back 2 (使向後移動) cause to move back; remove; wit...
  • : 行Ⅰ名詞1 (行列) line; row 2 (排行) seniority among brothers and sisters:你行幾? 我行三。where...
  • : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
  • : Ⅰ動詞1 (生育; 生殖) give birth to; bear 2 (出生) be born 3 (生長) grow 4 (生存; 活) live;...
  • 退行 : back line feed
  1. They are jinfo mountain in nanchuan county ( natural protection section ), wuling mountain in qianjiang county ( national emphases forest demonstration county which forest cover rate is beyond 50 % ) and zhongliang mountain in beibei county ( artificial destruction is very grave ). some main land use patterns i. e. woodland, garden, infield, abandon infield, shrub and grassplot are selected in those three sample sites. four aspects on soil fertility index of karst environment under different land use patterns in these three sample sites, are revealed in this paper, by using the field test, indoor measure and analysis, outdoor experiment and field investigation, and the knowledge and technique of soil, ecology, physics and chemistry etc. they are physical characteristic ( effective soil thickness, organic layer thickness, soil texture, water - stable aggregate and soil water etc. ), chemical fertility ( organism, omni - n, omni - p, omni - k, alkali - nitrogen, available p, available k and rapid available k etc. ), soil animalcule ( bacteria, fungi, actinomyces and their grosses ) and soil - seed - pool ( plant community diversity index ) in karst ecosystem

    本研究以重慶市的南川金佛山(自然保護區) 、黔江武陵山(國家重點退耕還林示範縣,森林覆蓋率50以上)和北碚中梁山(遭人為破壞嚴重)典型巖溶區為對象,選擇了幾種重要的利用方式,包括林地、果園、耕地、棄耕地和灌草坡,採用野外巖溶態調查和室內試驗測量分析相結合的方法,以不同土地利用方式巖溶土壤肥力為重點,對不同土地利用方式土壤肥力特徵進分析,找出巖溶土壤肥力差異的主要方面及其根本原因,論文主要從土壤剖面物理退指標(有效土層厚度、有機質層厚度、質地、團聚體、水分含量等) ,學肥力退指標(有機質、全n 、全p 、全k 、堿解n 、速效p和速效k等) ,樣地土壤微物指標(細菌、真菌、放線菌數量及總量)以及樣地土壤種子庫植物群落多樣等4個方面對重慶典型巖溶區的土壤肥力特徵進了較為詳細的分析研究,為巖溶地區士壤資源的合理利用及結構的調控管理提供依據。
  2. Soil is the base of agriculture production, the key measure to prevent water and soil loss is to conserve soil, but most soil nutrient is lost with the sediment loss, and serious water and soil loss make the soil thickness degrease, the soil nutrient be deficient and lean, the land quality degrade and the yield of plant decrease, all this results is going to threaten the people ' s transplanting and the agriculture sustainable development, and restrict the economy development of three gorges regions

    同時,土壤是農業產的根本,治理水土流失的關鍵是要保住土壤,而土壤養分絕大部分是隨著泥沙流失的,嚴重的水土流失造成土層淺簿、養分貧瘠,土地質量退,產量下降,對三峽庫區移民工作和農業可持續發展造成嚴重威脅,制約三峽庫區經濟發展。因此進三峽庫區坡耕地土壤侵蝕機理研究,探索減輕坡耕地土壤流失的方法措施,具有全局的重大意義。
  3. Abstract : this paper analyzes causal factors of flood in the middle reaches of changjiang river. due to neglection of environmental management, soil erosion in the upper and middle reaches of the changjiag river, lake sedimentation, large - scale reclamation of marshes, the flood regulation capacity of the lake was descended, and flood stage was risen and prolonged. consequently more and more river levees and lake dikes were reinforced almost every year to prevent the disasters, which made flood level go up and flood period last for more days. the frequency of flood and waterlogging disasters rose and their damage was enlarged. several proposals for flood prevention including agricultural modernization are put forward

    文摘: 1998年長江大洪水后開始實施的「平垸洪,退田還湖」的土地利用調整方案,從長遠來說應尋求農業安全且收入逐漸提高條件下的土地利用,長江中游地區應積極推進農業現代,提高農業勞動產率,轉移,減少分蓄洪區的人口,移民建鎮,對區內的土地要促進其規模經營,由優秀的有文的農民經營,平時只有少量的直接從事農業產的經營管理人員,農忙時則大量地使用季節合同工或實現機械,大洪水時退田還湖,減輕長江幹流大洪水的壓力,減少分洪與特大洪災時的損失,這樣還可促進避洪、冬季農業等的發展,也有利於長江中上游地區陡坡耕地的退耕還林,還可在糧食充足時進休耕,在旱災、糧食緊張時擴大糧食產?
  4. The causes of devolution, desertation, salinization and solonization were analysed in two aspects : it is apparently due to overpopulation, overstocking, unreasonably using, lacking of new technique, frequent occurrence of nature disaster, small area and low output of artificial pasture and semi - artificial pasture, but the more deeply reason was that the function of grassland was not completely understood only emphasizing the economic efficiency and regrowthful resource in grassland while the ecological efficiency and its potential use were neglected

    本文主要從兩方面對草原三了分析,首先從表面上看有以下幾方面原因,人口多、牲畜數量多、草原利用不合理、新技術推廣差、草原自然災害頻繁、人工半人工草地少產量低。其次又挖掘了草原退的深層原因,第一對草原資源的功能和作用的認識具有片面,只重視草原的經濟效益,卻忽略了它的態效益;只重視草原資源的再,卻忽略了它的適宜可利用
  5. The effects of baking temperature, baking time and prestrain on the bake hardenability and dent resistance of isotropic sheet steel and bh sheet steel produced by batch annealing were studied

    摘要研究了烘烤溫度、烘烤時間和預拉伸應變量對罩式爐退火工藝產的各向同鋼的烘烤硬的影響,並與力學能相當的冷軋烘烤硬鋼進了對比。
  6. On may 3, invited by the institutes deputy directors liu xiaobing and hu naizhe, dr. mclaughlin visited the experimental park in harbin and the black soil ecological experiment station in hailun. with deputy director liu xiaobing and the research fellow zhang xingyi, he had an in - depth discussion of some issues of common interest to both sides, like the deterioration and management of black soil, conservation farming, compacting of soil

    5月3日, neil博士應劉曉冰副所長和胡乃哲副所長的邀請,訪問了我所哈爾濱園區以及海倫黑土態實驗站,與劉副所長張興義研究員等圍繞黑土退與管理保護耕作土壤壓實等雙方感興趣的問題進了深入的交流。
  7. In the paper, a series of the field investigation, laboratory culture and pot experiments were conducted, to study microbial eco - characteristic and restoration in relation to soil - plant system of red soils reclaimed - mine. the main results were summarized as below : 1. soil microbes eco - characteristic in lipu copper mining reclaimed soil - endurance plant system were studied comparatively, zhe jiang province

    本論文採用野外礦區調查、實驗室培養和溫室盆栽試驗相結合的方法,對我國南方紅壤礦區土壤的微態特徵及其穩定恢復進了研究,以期為礦區重金屬污染及退土壤微態系統的物修復及土壤復墾工程提供理論技術依據。
  8. In this paper, pure and doped ktp crystals were grown from the flux using a top - seeded method, and special technique have been used to lower the electrical conductivity to three orders of magnitude than common flux ktp, the values is up to 10 - 10 ( cm ) - 1, this overcame the shortcoming that common flux ktp cannot be used in e - o application field because of having higher electrical conductivity. the growth condition, doped elements and annealing technology were investigated. single crystals of ktp with high quality and big z - cut cross section were obtained by optimizing the parameter of crystal growth

    本實驗採用頂部籽晶熔劑法長了純的以及不同摻雜的ktp晶體,用特殊工藝處理技術將普通熔劑法ktp的電導率降低了三個數量級,達到了10 ~ ( - 10 ) ( cm ) ~ ( - 1 ) ,解決了普通熔劑法ktp晶體由於離子電導率太大而無法用於電光應用領域的困難;對ktp晶體的長條件、摻雜元素以及退火工藝等進了研究,通過優長工藝技術參數,突破了工藝技術長難關,得到了高光學均勻、具有大z切面的ktp單晶。
  9. To explore and make clear the background factor of the behaviors, the dynamic relationship and cause - effect relationship between organizational politics perceptions and consequential behaviors. this paper, based on the five theories related to power at different levels, personal perspective, strategy contingency theory, social exchange theory and structural theory. there appear several problems in the development of key disciplines and processes of crossing and assimilating of subjects, including system tie, the character of scientists, the problem of administers, which influence the development and construction of subject, through abstracting, summarizing and based on “ swot ” analytical model from the theory strategic competition by michael baud, we divide organizational politics behaviors in the organizational development of college subjects and crossing and assimilating of subjects into several sorts : including ( 1 ) offensive model ( 2 ) defensive model ( 3 ) strengthening model ( 4 ) shrinking model

    為探索和理清重點學科組織政治為的背景因素,組織政治知覺與后續產的組織政治為的動態關聯與因果關系,本研究以五種不同層次與權力相關的理論,即個人特質理論觀點( personalperspective ) ;策略權變理論觀點( strategycontingencytheory ) ;沖突理論觀點( conflicttheory ) ;社會交換理論觀點( socialexchangytheory ) ;結構理論觀點( structurationtheory )為基本理論依據,將重點學科學科發展以及學科交叉與融合過程中出現的諸如體制束縛、科學家自身素質、管理層問題等影響學科建設與發展的共現象進提煉、總結,並依據「邁克爾?波特」的戰略競爭理論學說中的「 swot 」分析模型,將大學學科組織發展及學科交叉與融合中存在的組織政治為進提練歸類,分為( 1 )進攻型; ( 2 )防守型; ( 3 )增強型; ( 4 )退縮型四類政治為。
  10. Minami s, okazaki t, tanaki t, et al. a study of the effect of intra - articular injection of slm10 ( sodium hyaturinat ) on osteoarthritis of the knee [ j ]. jpn pharmacol ther, 1993 ; 21 ( suppl ) : 569 - 79

    凌沛學,蘇淮,賀艷麗,等.玻璃酸鈉對關節腔內注入木瓜蛋白酶所致膝關節退改變的改善作用[ j ] .中國藥物雜志, 1996 ; 17 ( 6 ) : 242 - 6
  11. Due to the influence of climate drought and human activities, the ecological environment of qinghai province is in an increasingly grave condition, namely, climate abnormal events occurring frequently, grassland degenerating, ground sanding, glacier shrinking, water level of lakes descending and river runoff decreasing, and so on. in the basis of extensively collecting and analyzing the data of qinghai ecological environmental factors such as climate, water resource and grassland resource etc., the further basic research is performed on the ecological environment characters of main climate factors, surface runoff, water resource, lcc and their correlation to coordinate with the basic, strategic and precursory research for the development of china west part and provide the scientific foundation for corresponding development both ecological environment and social economy, and persistent utilization of natural environment resource

    本研究針對當前在氣候乾旱和人類活動的共同影響下青海省態環境中氣候異常事件即氣象災害頻繁發、草場退、土地沙、冰川萎縮、湖泊水位下降和河流流量減少等態環境退現象日益嚴重的實際,在廣泛收集和整理青海省氣候、水資源、草地資源等態環境因子基礎資料的基礎上,對青海的主要氣候要素、地表徑流、水資源、植被的演替及其相互間的關系等主要態環境變特徵進了基礎的研究。
  12. Because of complex physiognomies and ecological environments, various kinds of wetland develop in sanggan river valley. wetland vegetations in the sanggan river valley, including the floristic diversity of wetland vegetation, the interspecific relationship of plant communities, the relationships between plant communities and environments were studied, respectively

    本文以山西桑乾河流域濕地植被為研究對象,對濕地植被的區系多樣、植物群落的種間關系、植物群落與環境的態關系以及濕地的退和恢復等進了研究。
  13. Inorganic biochemistry on cuzn superoxide dismutase mutants and neurodegenerative diseases

    銅鋅超氧物歧酶的突變與神經退紊亂的物無機
  14. Based on the eia engineer registration training for light industry and chemical fiber industry, and the experiences of management for printing - dyeing wastewater treatment, this paper analyzed the problems existed in printing - dyeing wastewater treatment process, such as biodeqradability, reduction of active sludge and alkalies partial pretreatment of desizing wastewater and removal of colourity, and also proposed some feasibl suggestions

    結合輕工紡織纖類環評工程師登記培訓及日常工作中有關印染廢水治理的一些經驗和做法,分析探討了目前印染廢水處理工藝技術中存在的問題,諸如提高印染廢水的可、降低活污泥的產量、以及堿減量、退漿廢水局部預處理、色度去除的專項處理等問題,提出了可的解決方案。
  15. Based on the color aerial photo and the field survey data, this paper analyze the information of various land use type change and spatial characteristics in yanan ecological construction demonstration area from 2000 to 2003 by rs, gis and statistics methods

    摘要以航片等資料為基礎,藉助遙感影像解譯、地理信息系統空間分析功能以及數理統計方法,分析了延安態建設示範區2000 - 2003年間各土地利用類型的數量變和空間特徵,並且首次引入退耕指數、退耕彈系數等指標對退耕還林工作進評價。
  16. Due to irrational land utilization, absurd assarting and herding, a series of environmental problems, such as sandy soil, grassland degeneration, soil and water loss, appeared, which severely threatened to survival and development of human being. it was proved that biomic - measure was the radical measure of ecology environment construction and harnessing. thus, a research on choosing a kind of grass, which was good, stronger stress resistance and faster growth velocity, was carried out

    黃土高原半乾旱區多年來由於不合理的土地利用和濫墾濫牧等現象,致使土壤沙,草地退,水土流失等一系列態環境問題嚴重威脅著人類的存與發展,多年的研究已證明,物措施是態環境建設與治理的根本措施,因此,針對目前的自然現狀,選擇抗逆強、長快、產中急需的優良牧草進了定位試驗研究。
  17. Abstract : it was verified through experiment and measurement that there was growth phenomenon taking place with nodular iron castings after graphitizing annealing at low temperature. the emergence mechanism and reason of the “ annealing growth nature ” was dicussed, and its prevention measures was proposed

    文摘:通過試驗和測試,證實了球鐵件經低溫石墨退火后存在的長現象,並對這種「退」產的機理及原因進探討,提出了防止措施。
  18. This week, for example, saw the publication in biochemistry of a proteomic study that goes a long way towards establishing a common underlying cause for neurodegenerative diseases such as parkinson ' s and alzheimer ' s

    例如,本周《學》雜志刊登了一份蛋白質組學的研究報道,參與該研究的科學家在尋找神經退疾病(如帕金森癥和阿爾茨海默癥)的普遍潛在原因方面做了大量的工作。
  19. We used several kinds of indices of diversity and the result shows highest diversity in summer community of maoxian ecological station and lowest diversity in autumn community of shilixiang and highest evenness in autumn community of shangkakagou

    最後,應用經典的多樣指數、均勻度指數、種-多度模型對岷江上游典型退態系統的鳥類物種多樣了研究。
  20. Learn about the parts of a tree by clicking on the drawing. page explains the purpose of the leaves, trunk and roots. photosynthesis and types of seeds are also discussed

    -定位為面向學科發展前沿,圍繞退態系統的恢復與重建環境與態安全物種的演形成與維持進基礎前瞻和戰略研究。
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