生物體退化 的英文怎麼說

中文拼音 [shēngwùtǐtuìhuà]
生物體退化 英文
biological degradation
  • 生 : 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;...
  • 物 : 名詞1 （東西） thing; matter; object 2 （指自己以外的人或與己相對的環境） other people; the outsi...
  • 體 : 體構詞成分。
  • 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...
  • 生物體 : biont
  • 生物 : living things; living beings; organisms; bios （pl bioi bioses）; biont; thing; life生物材料 biol...
  • 退化 : become vestigial; degenerate; deteriorate; retrograde; devolution; retrogradation; retrogression;...
  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，採用野外巖溶生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行量化分析，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化指標（有效土層厚度、有機質層厚度、質地、團聚體、水分含量等） ，化學肥力退化指標（有機質、全n 、全p 、全k 、堿解n 、速效p和速效k等） ，樣地土壤微生物指標（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性等4個方面對重慶典型巖溶區的土壤肥力特徵進行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. Conclusion the major cause of malposition of transpedicular screw internal fixation were mutation of and ambiguity of opography induced by spinal congenital malformation, cataplasia, fracture, lumbar olisthe or lateral curvature ; neglect of individuality and poor accuracy in implanting pedicle screw and inadequate understanding of biomechanics of spine about paracentesis

    結論脊柱先天畸形、退變、骨折、腰椎滑脫或脊柱側凸等病變導致椎弓根局部解剖變異或不易辨認，術者未注意個體化、穿刺精度不高以及對經椎弓根穿刺時脊柱生物力學變化理解不夠是置釘位置不佳的主要原因。
  3. Abstract : selective mechanisms exist in organism and biosphere, which select the cells with less dna injuy and reproduces them. there are two models ; mechanisms 1 and mechanisms 2, represented respectively b bacteria and mechanolytes of human beings. cells with mechanisms 1 ( e. g. bacteria, generative cells, cancer cells ) can reproduce infinitely, while somatic cells can not. there are deep - going reasons behind the two categories of selective mechanisms. the canceration of the cells is a degenerating process from mechanisms 2 to mechanisms 1

    摘要生物界存在一類篩選機制，它將dna損傷較小的細胞篩選出來，產生後代.主要有兩類模式機制1和機制2 ，分別以細菌和人的成纖維細胞為代表，那些具有篩選機制1的細胞（如:細菌、生殖細胞、癌細胞）能無限傳代，而體細胞則不能.這兩類篩選機制背後有更深刻的原因，而細胞的癌變正是從機制2退化為機制1的過程。
  4. Etc. heaters mosi2, sic for annealing furnace and single crystal furnace, high purity oxides high purity rear earth oxides, sio2, al2o3, tio2, ti2o3 and ti3o5 etc. for crystal growth and optical coatings. w, mo crucibles and w, mo products for crystal growth, fire - resistant materials and products for heat isolating during crystal growth

    Etc . ，退火爐及單晶爐用發熱體硅化鉬，炭化硅，晶體生長和光學鍍膜用高純氧化物稀土氧化物，二氧化硅，三氧化鋁，二氧化鈦，三氧化二鈦，五氧化三鈦等，生長晶體用鎢鉬坩堝及鎢鉬製品和保溫用各種耐火材料及製品。
  5. From the research results, we can see that the initial reason, which leads to the degradation of xuanwu lake ecosystem, is pollution. pollution makes the water and sediments hypertrphiation, increases the opacity of water, and decreases the oxygen in water, so the wetland higher plant communities decrease or disappear. the wetland ecosystem loses the balance, while the biodiversity also decreases

    研究結果表明，引起玄武湖濕地生態系統功能退化的初始原因是嚴重的環境污染問題，污染加劇了水體及沉積物中的營養鹽含量，增加了水體的渾濁度，降低了水體中的氧含量，從而導致濕地高等植物群落減少乃至消失，盡而引起濕地生物多樣性下降、生態系統失去平衡。
  6. Indications : by using of the vibration between the special micro electric current and the bioelectric current, it can help to activate the cells and stimulate metabolism. thus, it has the fundtion to remove the wrinklesm, lift the buttocks and enlarge the breast

    針對人體機能的衰退，利用特殊的微電流與人體生物電流產生共鳴，活化細胞促進新陳代謝，具有拉皮、除皺、面部提升、提臀、豐胸等多種功效。
  7. It may have a preventional function from alzheimer ' s disease. molecular biological studies are shown that apoe isoform has a isoform - specific role to neurodegeneration. apoe3 and apoei aid to sustain the stabilization of cytoskeleton protein tau, while apoe4hyperphosphorylates tau to destabilize the microtubule protein, which will make neurocyte easy to form neurofibrillary tangles in ad

    分子生物學研究發現， apoe異構體對神經細胞退化表現出異構體特異作用， apoe _ 3和apoe _ 2有助於維持微管的穩定性，而apoe _ 4則使tau蛋白超磷酸化，破壞微管的穩定性，使神經細胞易於形成神經纖維纏結。
  8. In the artificial - planting, the strain of cordyceps militaris is easy to degenerate. at present, the study about the fungus in cordyceps genus are just in the identification of fungi 、 the nutrition analysis 、 the using in medicine and artificial - planting. although, it could reduce the lost by the usual breeding way, we could not solve the problem at basic. about the degeneration of strain, people mostly use the gender - cycling 、 the fusing - cytoplasmic technology and the genetic - engineering method to reform the strain. most of people use moleculor method in the study of relationships among the species and between the species

    用常規選育方法雖然能減少一定的損失，但不能從根本上解決菌種退化這一長期困擾企業生產的問題。針對菌種退化問題，主要是利用有性循環、原生質體融合和遺傳工程等途徑進行菌株改良，應用分子生物學手段只是研究種內、種間的系統關系等，而關于菌種退化遺傳機理的研究尚未見報道。菌種退化是菌類栽培過程中普遍存在的，也是生產當中迫切希望得到解決的問題。
  9. Aiming at the limitation of basic evolution strategies, a kind of growth mechanism - based evolution strategies and its realization are introduced. chapter three presents the evolution strategies - based optimizing of seaport container logistics system, firstly the structure of chromosome is introduced, then a kind of hybrid mutation operation is used, the detail process of the optimizing method is also described, finally the traveling sequence optimization of the containers is introduced as an example to testify the feasibility of the new optimizing method

    在以往的港口物流系統規劃研究中，遺傳演算法和模擬退火法是經常採用的數學方法，第三章首次研究了基於生物進化策略的港口集裝箱物流系統優化方法，提出了一種基於混合變異的自然數編碼進化策略演算法和染色體的構造模式，並以集裝箱運送順序優化問題為例，實現了基於生物進化策略的港口集裝箱物流子系統的優化。
  10. From the change of the analysis target of the water and the sediments in these years, we can see that these measures that take place in these years only make a little improvement on the degradation problem. these measures cannot change the trend of wetland ecosystem degradation

    根據對玄武湖水體和沉積物的監測指標的多年變化分析發現，玄武湖近年來所採取的整治措施對于濕地的污染退化問題只起了短暫的改善作用，無法扭轉整個濕地生態系統退化的趨勢。
  11. In succession, tini thin film is deposited on single - crystal silicon substrate using optimized parameters utilizing sputtering, and its transformation temperature ( a * ) is 72 ? indicated by dsc curve after being annealed in an ultra - high vacuum ( uhv ) chamber. in addition, the composition of the silicon - based tini film was analyzed by an energy dispersive x - ray spectroscopy ( eds ), and the ti content in the film is approximately 51at %

    按照改進的工藝參數，在單晶硅襯底上濺射-淀積了tini薄膜，並進行了超高真空退火， dsc法測得其馬氏體逆相變峰值溫度為72 ，利用能譜分析（ eds ）技術測得其ti含量約為51at ，通過對非晶tini薄膜與單晶硅襯底之間的界面進行eds及x射線衍射（ xrd ）分析，發現在用大功率（ 2000w ）直流磁控濺射法制備tini薄膜過程中，存在ti 、 ni與si的雙向擴散，發生了界面反應，並有三元化合物ni _ 3ti _ 2si生成。
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