soil age 中文意思是什麼

soil age 解釋
土壤年齡
  • 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...
  • age : n 1 年齡。2 成年〈滿廿一歲〉。3 老年，晚年。4 壽命；終生，一生。5 時代，時期，年代。6 〈口語〉很...
  1. Belong to our worlds, fine but again brief ; i can collect as treasure those bitter and astringent green fruits silently, collecting as treasure a beautiful but sad nursery tale for the elephant, purely true age, always think i would connect together with your world, also think the virgin soil of virginity can compose to write new of < >, who anticipate a god lane person

    屬於我們的世界，美好而又短暫;我只能默默地珍藏那些苦澀的青果，就象珍藏一個美麗而哀傷的童話，純真的年代，總以為我和你的世界會連在一起，也以為童貞的處女地可以譜寫新的< > ，誰料上天弄人
  2. Mongolica young stand, secondary natural forest, and the mixed forest of larix olgensis and fraxinus mandshurica rupr. countermeasures for controlling soil degradation were also recommended. the study got following results : ( 1 ) from young stand to mid - age of larix olgensis, with the closure of canopy and the decrease of undergrowth vegetation cover, soil acidity, enzyme activity, total inorganic phosphorus, available k, soil moisture and total porosity decreased significantly ; while soil organic matter content, humus component content, the amount of three main types of microbes, acid phosphatase activity, and bulk density in rhizosphere soil and non - rhizosphere soil increased with the increase of the amount of forest floor litter ; from mid - age stand to near mature stand, with the decrease of stand density and crown cover as well as the restoration of undergrowth vegetation after preliminary thinning, soil organic matter content, fulvic acid, exchangeable acidity, exchangeable aluminium, neutral phosphatase activity, total amount of inorganic phosphorus, the amount of actinomycetes, soil moisture, and total porosity in rhizosphere soil and non - rhizosphere soil apparently increased ; from near matu re stand to mature stand, soil activity acidity, organic matter content, humus component content, available phosphorus, total amount of amino acid, available k, soil enzyme activity, soil moisture, and total porosity in rhizosphere soil and non - rhizosphere soil decreased, but total phosphorus, soil acidity ( in particular, exchangeable aluminium ), and bulk density increased

    結果表明： （ 1 ）從落葉松幼齡林到中齡林，隨著林冠的郁閉和林下植被蓋度的急劇下降，林地土壤酸度、土壤酶活性、無機磷總量、速效鉀、土壤水分含量、總孔隙度呈明顯下降趨勢，而根際和非根際土壤有機質含量、腐殖質各組分含量、三大類微生物數量、酸性磷酸酶活性和土壤容重隨著凋落物的增加呈明顯上升趨勢；從中齡林到近熟林，由於撫育間伐，林分密度及郁閉度下降，林下植被蓋度逐步得到恢復，根際與非根際土壤有機質含量、富里酸、交換性酸、交換性鋁、中性磷酸酶、無機磷總量、放線菌數量、土壤水分含量、總孔隙度呈明顯的上升趨勢；從近熟林到成熟林，隨著林齡的增大，根際與非根際土壤活性酸、有機質含量、腐殖質各組分含量、有效磷含量、氨基酸總量、速效鉀、土壤酶的活性、土壤水分含量和總孔隙度呈下降趨勢，而根際與非根際土壤全磷含量、土壤酸度（特別是交換性鋁）和容重呈增加趨勢。
  3. This paper systematkally researched the characteristics of growth and physiology of sophora viciifolia hance ( a kind of natural shrub ) and its effects on the content of soil water, soil nutrieftt and soil physical property. the paper applied some methods and theory of plant ecology, plant physiology, physics of soil and soil chemistry etc. three different age s. viciifolia hance in the different plot were selected, caraganar land and fallow land as a comparison

    本文以陜北黃土區安塞紙坊溝流域內在植被演替中佔有重要地位的天然灌木種（ 6 、 14 、 17齡）狼牙刺（ sopharaviciifoliahance ）為對象，以15齡檸條（ caraganar ）和撂荒地為對照，系統研究了狼牙刺的生長特徵、生理特性，及其生長對土壤水分、土壤養分、土壤物理性狀的影響。
  4. Reliability assessment of xi - luo - du underground water - power plant : the results have been used by the cheng - du surveying, design and research institute for the preliminary design ; （ 2 ） the stress and strain analysis for the xiao - guan - zi sluice and its foundation : the report has been applied for the reinforcement of the foundation ; （ 3 ） the thermal control procedure for the no. 7 - 14 power plant dam segments of the three gorge project ： the research report provides the effective and efficient methods for the controlling of the temperature field in the mass concrete structure ; （ 4 ） the software system development for the long - term monitoring for dikes ： the software can automatically give the results of the seepage field and the probability of soil piping of dikes and underground ; （ 5 ） reliability assessment of xiang - jia - ba underground water - power plant : the results have been used by the zhong - nan surveying, design and research institute for the preliminary design ； （ 6 ） fatigue reliability estimation of shipping berthing pillar : the results give the optimized design scheme and prediction of the structural age ; （ 7 ） 3 - d static and dynamic stochastic finite element analysis for the strength, stability and thermal control problem for xi - luo - du project

    溪洛渡水電站超大型地下洞室群圍巖穩定的安全可靠性分析：被成都勘測設計研究院應用於比選報告及可行性論證中； （ 2 ）小關子水電站攔河閘壩及地基的應力應變分析：被成都勘測設計研究院應用於地基加固處理方案； （ 3 ）三峽廠房7 # - 14 #壩段溫控並縫措施研究：為廠房壩段並縫方案的可行性提供了依據； （ 4 ）堤防工程體系的長期監控預報預警決策系統開發：為監控、預測預報堤防滲漏管涌破壞提供分析軟體； （ 5 ）向家壩地下洞室群圍巖穩定的安全可靠性分析：被中南勘測設計研究院應用於初步設計方案中； （ 6 ）靠船墩的疲勞可靠度研究：為廣東航運規劃設計院的靠船墩優化設計和加固提供依據； （ 7 ）溪洛渡高拱壩壩體壩基（壩肩）強度和穩定的三維靜動力隨機有限元分析及可靠度計算：為溪洛渡重大工程壩體的靜動力安全穩定性及溫控方案提供依據。
  5. With increase of artificial forest age, the content of soil organic matter decreased sharply. and soil physical, chemical and biological properties of forest became worsen. from soil physical properties analysis, soil silt, clay, physical clay, aggregate degree and structure coefficient in topsoil increased with increase of artificial forest age and soil sand deceased

    在土壤物理性質方面，隨著人工雲杉林齡的增加，土壤表層粉粒、粘粒、物理性粘粒、團聚度和結構系數降低，砂粒含量增高，土壤飽和持水量、毛管持水量及總孔隙和毛管孔隙在人工雲杉演替過程中表現出「 u 」型變化。
  6. Much influenced by his father ' s work at his early age, it was a desirable beginning leading toward the variety of great western art and culture that has brought him to land on u. s. soil in 1987

    1985年從輕工業高等專科學校美術系畢業;然而他所夢寐的是更為寬廣的國際文化和藝術視野，這就註定了他1987年遠赴紐約州立大學美術學院踏上留學深造之路。
  7. The study has investigated and compared soil physical, chemical, biochemical properties of eight stands on paired sites in mountainous regions of northeastern china, trying to look for the mechanism of soil degradation and the change trend of soil properties in different age of plantations in relations to forest productivity. the eight stands are 4 first rotation of larix olgensis plantations with different age classes, the second rotation of larix olgensis young stand, pinus sylvestris var

    本文通過固定和典型樣地，對東北山地不同生長發育階段落葉松人工林和二代落葉松幼齡林以及與二代落葉松幼齡林同一塊林地的樟子松幼齡林、天然次生林、落葉松水曲柳混交林等8個林型土壤質量進行了對比與分析，深入探討了落葉松人工林土壤質量降低的機理和不同發育階段土壤質量變化規律以及與森林生產力變化的關系，並提出了林地土壤質量調控措施。
  8. Spatial heterogeneity of top soil moisture in different stand age of salix psammophila in mu us sandy land

    耕作方式及茬口對小麥播前土壤貯水量的影響
  9. That is to say, in that age, serious economic crisis had provided fertile soil to the spread and development of egypt ' s islamic radical groups. integration of the religious factor and economic and social factor had led to more than 10 years " political unrest

    1986一199o年代中期，埃及陷入嚴重的經濟危機之中，伊斯蘭極端組織找到肥沃的土壤，即宗教因素與經濟和社會因素的結合，造成了10年之久的政治動蕩。
  10. The article study soil enzyme activities and the content of soil organic carbon in zanthoxylum bungeanum forest in karst area of huajiang in guizhou province, the results shows : the content of oxidizable organic carbon was increased with the increasing of plantation age in karst area, which implied karst eco - environment declined

    摘要本文通過對花江喀斯特地區花椒人工林演替過程中部分土壤碳轉化酶的活性以及不同活力活性有機碳研究，得出在喀斯特地區花椒人工林中隨著種植年限的增加，土壤中活性有機碳的含量不斷上升，生態環境處于惡化的變化過程中。
  11. The results showed that the influences of concrete strength on the soil and lining were not great, there was rational and economical thickness of the lining, and the age of concrete had large effect on axial force of lining

    研究表明：混凝土強度提高對圍巖和襯砌結構影響不大；存在一個「合理經濟」的襯砌厚度；模擬計算中是否考慮混凝土齡期對襯砌軸力影響較大。
  12. ( 2 ) compared to secondary natural forest, the amount of three main types of microbes in rhizosphere soil of different age of larix olgensis plantation correspondingly decreased largely, enzyme activity in non - rhizosphere soil reduced, the biochemical activities abated, and soil physical and chemical properties deteriorated

    （ 2 ）與天然次生林相比，落葉松人工林不同發育階段根際土壤三大類微生物數量均相應地有較大幅度的降低，非根際土壤酶活性減弱，土壤生化作用強度降低，土壤理化性質變壞。
  13. Match ratio tests are done by using cement and fly - ash as curing agent, which include making soft clay with different water content into different mixing ratio cement - stabilised clay, and mixing cement and fly ash to make different cement - fly ash stengthened clay to soft clay with ascertaining water content. afterwards unconfined compression strength is tested at different curing age. the microstructures and mechanisms of cement soil and cement - fly ash soil are studied by mean ", of x - ray and scanning electron microscope ( sem ) technology

    採用水泥和粉煤灰為固化劑在室內進行其配合比試驗，對含水量不同的軟粘土製成不同摻入比的水泥土以及對含水量值固定的軟粘土製成水泥、粉煤灰摻入量分別不同的水泥-粉煤灰加固土，並在不同齡期時進行無側限抗壓強度試驗；運用x射線衍射和掃描電子顯微鏡技術，對水泥土及水泥-粉煤灰加固軟土的微觀結構和機理進行分析。
  14. The influences of the mixing amount of curing agent and curing age on the unconfined compression strength are discussed by determining the strength. by comparative study, it is concluded that the intensity of stabilized soil is the largest by using the stabilizer composed of 16 % cement mixing ratio and 40 % fly ash mixing amount, and it is reduced with growth of the water content of soft soil and is increased with growth of the cement mixing ratio and curing age

    通過測定水泥土及水泥-粉煤灰加固土的無側限抗壓強度，探討固化劑摻量、齡期對抗壓強度的影響；通過對比研究發現，當水泥摻入比為16 ，粉煤灰摻入量為水泥重的40時，加固土的強度最大，並且強度隨著軟土含水量的增加而降低，隨著水泥摻入比、養護齡期的增長，水泥土及水泥-粉煤灰加固土的抗壓強度也隨之增加。
  15. The soil organic content in the topsoil decreased with increase of artificial forest age. because the total n and alkali - hytrolyzable n were from mineralization of soil organic matter, their content in the artificial forest decreased with the decrease of soil organic matter

    在土壤化學性質方面，各林地土壤有機質含量表層大於底層，人工雲杉林土壤表層有機質含量隨著撫育林齡的增加而降低，土壤中全氮、堿解速效氮主要來源於土壤中有機質的礦化，其含量隨有機質的減少而降低。
  16. Photosynthesis and transpiration have no obvious difference between different age s. viciifolia, but they have consanguineous physiological responses to environmental factors such as photon flux density, air temperature and the content of soil water. compared with caraganar, s. viciifolia formed the physiological mechanics of less photosynthetic rate and less tranpiration rate to resist drought

    狼牙刺的凈光合速率同光合有效輻射、大氣溫度和二氧化碳濃度之間沒有顯著相關性，與土壤含水量顯著正相關；蒸騰作用與光合有效輻射、土壤含水量及空氣溫度有很好的正相關性，與大氣濕度有負相關性。
  17. For this natural created almighty region, our forefathers have been cultivated the soil and developed agriculture in sorthern shaanxi province as early as stone age and the region is one of the areas in which chinese agricultural developed in its early stage, and it also serves a cradle for chinese civilization. the characteristic features, bridge jointing the south and the north as well as the channel for the east and the west, makes the region an unequal key points function in chinese agricultural exploitation, and on the other hand, the economy, society and culture of this region has its significance for our study

    由於所處的地理位置和自然條件，該地區自先秦時期就成為中原文化與巴蜀文化的交匯之地，因此，陜南的農業開發較早地呈現出稻作農業與旱作農業兼營的特點，春秋戰國時期，隨著農業生產技術的提高和區位交通的發展，陜南地區的傳統農業開始出現，成為了農業開拓、聯系南北的中心地帶，戰略地位凸現，先後被楚、秦反復爭奪並進行早期的農業開發。
  18. With the development of the market economy soil internet age coming, the editorial ideas of journals should be transferred anti renewed in the new century, first, we should have innovation senses ; second, we should have market senses ; and then we should have quality senses, competition senses, information senses and leading senses etc

    摘要在新的世紀，隨著市場經濟的發展和網際網路時代的到來，期刊編輯的理念也應轉變與更新首先是要有開拓創新意識；其次是要有市場意識；再次是品牌意識。
  19. Not only could n ' t the quantity of soil organic matter and organic n be lifted up, but also did it lead, to soil erosion and output declining under nc - ti ! ! age system without crop residue adding

    實行免耕制，關鍵是有機殘體的返還。研究表明，一旦免耕與覆蓋分離，則免耕即不能提高有機質和有機氮水平，導致土壤退化和減產。
  20. To understand, prevent and control soil and water loss from the points of soil and water ecology, sources and relations of factors is an initiative, organic and integrated concept of soil and water conservation, intensification and development of cognitive concept of soil and water conservation and will make the course of soil and water ecological conservation into a completely new age

    從水土生態的高度，從源頭上、要素的聯系中去認識和防治水土流失，是一種主動的、有機的、整體的水土保持觀念，是水土保持認識觀的深化和發展，將使水土生態保持事業進入一個嶄新的時代。
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