primary soil 中文意思是什麼

primary soil 解釋
原生土
  • primary : adj 1 第一的，最初的，初級的；初等的；基本的；基層的。2 主要的，為首的，第一位的。3 原始的，根本...
  • 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. We mensurate the number of the primary soil microbes such as bacteria, fungi and azotobacter with diluting flat technique, and mensurate the number of cellulose decomposing bacteria with mpn technique, and mensurate the biological quantity of the soil microbes with the technique of chloroform suffocating - inundation culture - colour - compared

    本文以長期壟作免耕試驗田為研究對象，採用稀釋平板計數法測定了土壤中主要的微生物細菌、真菌、自生固氮菌數量，用mpn （最大或然值法）測定纖維素分解菌的數量，採用氯仿熏蒸?淹水培養?納氏比色法測定微生物生物量。
  2. Comparing with the same category overseas jointless bridges, the new type bridge has more reasonable structure, more simple and convenient construction, and better use effect etc. the main work in this paper is described as follows : ( 1 ) this paper introduces phylogeny and reseach survey of the joints bridge inland and abroad, and a new jointless bridge structure ? new type semi - integral abutment bridge is based on these, which characteristic of own structure and setting of primary component are expatiated. ( 2 ) this paper analyses influence of temperature effect, creep, shrinkage and circumambient soil of run - on slab on the new type structure, and analyses the forcing performance of beam, abutment and run - on slab of the new type semi - integral abutment bridge, and constrast to the same category joints bridges

    本文主要做了以下工作: （ 1 ）介紹了無縫橋梁在國內外的發展歷史、研究概況，並在此基礎上提出了一種新的無縫橋梁結構形式-新型半整體式無縫橋梁，闡述了它特有的結構形式以及主要構件的設置; （ 2 ）分析了溫度效應、徐變和收縮以及搭板周圍土體對這種新型結構的影響，對新型半整體式無縫橋主梁、橋臺以及搭板進行了受力性能分析，並和同類無縫橋梁進行了對比分析。
  3. The primary representations of the vulnerabilities of water resource in hengyang basin where is a typical hilly region with red and purple soils in south china are analyzed : the precipitation re source varies greatly in spatial and temporal distribution ; the soils and rock property are not in favor of water and soil conserving ; the structure of crops needs a high water consumption ; and the farm irrigation works are timeworn and frangible

    摘要以中國南方典型的紅壤和紫色土丘陵區衡陽盆地為例，分析論述了衡陽盆地地表水資源脆弱性主要表現在：降水資源時空分佈不均勻；不利於水土保持的地表物質組成和植被覆蓋；耗水量大的農業種植結構以及調蓄水功能弱的農田水利工程體系等方面。
  4. 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。
  5. This coupling action between the rheology of soil and the dissipation of excess pore pressure demonstrates that it is not reasonable to factitiously divide the process of consolidation into two independent ones, i. e. primary consolidation and secondary consolidation

    這種耦合作用說明了把固結過程人為地劃分成主固結和次固結兩個相對獨立的過程是欠合理的。
  6. Analyzing the sandstorm, the experts and scholars in our country have recognized that, the main reason of sandstorm happens is the increasing expansion of desertification land and the primary sector forming desertification of land is the soil wind erosion

    專家學者研究沙塵暴發生的原因認為，我國沙漠化土地面積日益擴大是沙塵暴發生的重要因素，而土地沙漠化的首要環節是土壤風蝕。
  7. By surveying the sample plot, the relations between the stabil ity of the mountai n slope of soil preparation for planting by using explosion and other factors s uch as precipitation, terrain ， were studied. by using the method of quantitative t heory i, the interrelation between the damaged degrees of soil preparation progra ms by using explosion in low mountain area with abundant precipitation and terrain factors was systematically analysed, and the mathematical models relate d were developed. the results show that the precipitation in early days and the m aximum precipitation per day are the primary factors causing the soil prepara tion program damaged. the main terrain factors of the mountain slope that affect the program stability are according to their importance, slope, position and dir ection. the suitable mountain slope for soil preparation by using explosion is th e slope of less than 25

    通過典型標準樣地調查資料，探討了造林爆破整地工程的坡地穩定性與降水、地形等因子的相互關系，應用數量化理論，對在有充分降水條件下的低山丘陵區的爆破整地工程損失程度與地形因子之間的關系進行了系統分析，並建立了相應的數學模型，研究指出，充分的前期降水和日最大降雨量是引起爆破整地工程損失的激發因素；影響爆破整地工程穩定性的主要地形因子是地面坡度，其次為坡位、坡向，實施爆破整地工程的地面坡度以不超過25為宜。
  8. Based on the serious shortage of soil moisture, soil aridity and vegetation recession in this region, the following issues are studied in this dissertation : ( 1 ) the meaning of soil water and its role in the water circulation ; ( 2 ) soil water deficit and its influence to vegetation growth ; ( 3 ) the definition of soil dried layer and the causes of its formation ; ( 4 ) soil dried layer distribution and characteristics in north of shaanxi loess plateau ; ( 5 ) the primary study of measurable index of soil dried layer

    本論文主要針對黃土高原土壤水分嚴重虧缺現狀以及因之而形成的土壤干化和林草植被衰退現象，主要對以下幾方面的問題進行了研究： （ 1 ）土壤水分的意義及其在生態系統水分循環過程中的作用； （ 2 ）林草植被土壤水分虧缺狀況及其對植被生長的影響； （ 3 ）土壤干層的涵義及成因分析； （ 4 ）陜北黃土高原土壤干層的分佈及特徵； （ 5 ）土壤干層的量化指標初步研究。
  9. Primary discussion on problems of soil erosion in china

    中國水土流失問題的初探
  10. The primary soil in the watershed include sand land, yellow land, which is 57. 59 % of the whole watershed

    土壤類型主要以沙夾泥田、黃沙泥土為主，共占流域面積的57 . 59 。
  11. The results indicated that as the intensity of sward cleavage increased, elymus nutans and other plants that had high requirements in soil aeration and resource space presented an increased competitive edge and the species that had low requirements in soil aeration and resource space presented an opposite picture ; low - intensity sward cleavage could help increase species diversity to a certain extent, but the diversity index appeared to decline as a whole as the cleavage intensity increased ; the effects of sward cleavage on functional groups of the vegetations showed in such manner as e. nutans - represented grasses increased in their composition with the intensity of sward cleavage raised, and sedges and forbs decreased in their compositions with the intensity of sward cleavage raised ; sward cleavage showed a significant improving effect on primary productivity of the meadows and was capable of increasing the proportion of quality - grass biomass to the total plant biomass ; sward cleavage could be independently employed as an effective measure to rehabilitate and improve alpine - meadow grasslands and thus played a basic and key role in the technical combination aiming at establishing hay fields characterized by e. nutans

    結果表明：垂穗披堿草等對土壤通透性和資源空間要求較高的物種，競爭力隨劃破強度的增加而上升，而對土壤通透性和資源空間要求相對較低的物種則相反；輕度劃破干擾對提高物種豐富度具有一定的促進作用，但多樣性指數則總體上表現為隨劃破強度的增加而呈下降的趨勢；劃破干擾對植被功能群的影響表現為以垂穗披堿草為代表的禾草類組分隨干擾強度的增加而顯著上升，莎草類和雜類草組分隨干擾強度的增加而顯著下降；劃破干擾對草地初級生產力的提升具有顯著的促進作用，且可顯著增加植物總量中優質牧草的比重；劃破干擾可獨立作為高寒草甸類草地恢復與改良的有效措施，在定向培育垂穗披堿草型割草場的技術組合中具有核心和基礎性的地位。
  12. Most highly weathered and leached upland soils in s. e asia are so deficient in primary nutrients that economic yields of healthy crops cannot be produced, unless nutrients are added to the soil

    東南亞大多數高度風化和淋溶的旱地土壤主要養分貧乏，以致除非向土壤施加養分，否則不可能獲得健康作物的經濟產量。
  13. 2. the results showed that the contents of cach - extractable soil p, and soil test phosphorus ( olsen, bray, mehlich - 3 ) and algae - available p contents ( naoh - extractable soil p ) in the soils correlated significantly with the contents of ortho - p, particulate p and bioavailable p in runoff, respectively, which were feasible to be used as primary indices to evaluate of agriculture p impacting on surface water quality. the results also showed that the relationships between the phosphorus sorption of soil index ( psi ), and the degree of soil saturation with phosphorus ( dpss ) and the contents of ortho - p, particulate p and bioavailable p in runoff reached significant level, respectively

    黃壤旱地土壤易解吸磷（ cacl _ 2 - p ） 、土壤有效磷（ olsen - p 、 bray - p 、 mehlich - 3 - p ）或藻類可以利用的土壤磷（ naoh - p ）與地表徑流中顆粒態磷、生物有效性磷和磷酸根態磷之間均存在顯著的相關性，在一定的程度上可用cacl _ 2 - p 、 olsen - p作為指示黃壤旱地地表徑流中磷潛在流失的預警指標，來判斷旱地存在磷素非點源污染的可能性。
  14. Primary investigation on the relationship between the crop water stress index and the soil moisture

    作物水分脅迫指數與土壤含水量關系探討
  15. The primary experiment studies of solute transport in sandy soil under reclaimed water irrigation

    中水灌溉條件下含礫砂土污染物運移的初步研究
  16. The primary factor of soil erosion is the erosion of yanshan period granite, the secondary factor is heavy rainfall, and the inducing factor is human activity

    水土流失產生的主導因素是燕山期花崗巖分佈的丘陵區巖體結構遭到破壞；從屬因素是持續強烈的降雨，從而加劇了水土流失；激發因素是人類工程活動對地質環境的破壞。
  17. The hong kong wetland park, hong kong arts centre and public art hong kong jointly present a community project my soil, my land, which involves 500 primary school students making use of the soil from tin shui wai to create ceramic art

    就此而言，香港藝術中心與香港公共藝術十分認同濕地公園的使命，因此大家合作舉辦一項名為天水泥的社區藝術計劃，以配合公園主題。計劃內容如下：
  18. So the methods of design and computing about limit condition of bearing capacity is still adopted in present criterion. under the precondition of meeting the demand of construction ' s using function, the main content that is researched in this article is how to make the scheme of mixed soil - cement piles composite ground on the safe side economical and reasonable, according to the rule of the design for deformation control the article, which is based on formers " theory and practice, combining with the example of engineering, utilizing the tool of matlab. 5. 0, using optimizing by plural modality method, makes a primary discussion on the design parameter of the scheme for mixed soil - cement piles composite ground, according to the rule of the design for settlement controlment method

    在現行規范中仍然採用的是承載力極限狀態設計計算方法。在滿足建築物使用功能要求的前提下，如何按照變形控制設計的原則，使得水泥土攪拌樁復合地基方案更加安全可靠、經濟合理，是本文研究的主要內容。本文在總結前人的理論和實踐成果的基礎上，結合工程實例，利用matlab . 5 . 0工具，採用復形調優法，按沉降控制設計原則，對水泥土攪拌樁復合地基方案設計參數的優化進行了初步的探討，得出了一些有益的結論，對工程實踐具有一定的指導意義。
  19. Generally speaking, the big primary soil sample collected in shaft is the true primary state soil sample, the sample collected by soil collected equipment in drilling is of different degree disturbance

    一般認為豎井中採取的大塊土樣，是「真正」的原狀樣，鉆孔中使用取土器採取的原狀樣存在不同程度的擾動。
  20. The data used in this dissertation originate from 3 regions in china - the northeast, the north china plain and the mid - lower yangtze river - and cover 6 provinces, 15 counties, and 180 sample plots. the data include information on soil fertility, quality, and corresponding socio - economic data for the households farming the sample plots. the primary soil fertility indicators analyzed are soil organic matter, total nitrogen, effective phosphorus, and effective potassium

    本文選擇有機質、全氮、速效磷和速效鉀4個與農作物生長發育密切相關的土壤化學指標作為土壤肥力的基本分析指標；選取東北、華北和長江中下游3個地區，包括黑龍江、吉林、北京、河北、江蘇和浙江6個省份15個縣市180個樣本地塊。
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