water in soil 中文意思是什麼

water in soil 解釋
土的物理性質土中水
  • water : n 1 水;雨水;露;〈常作 pl 〉 礦泉,溫泉;藥水。2 〈常 pl 〉水體;水域;水道;海;湖;河;海域;...
  • in : adv 1 朝里,向內,在內。 A coat with a furry side in有皮裡子的外衣。 Come in please 請進來。 The ...
  • 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. The acrocarpous group includes the mosses capsule growing from the apex of branch or stem. it is from hdwigiaceae to hylocomiaceae. with bigger body, this group can preserve water and soil in forest ecological system and be favored double by horticulturist

    同時,根據研究的標本編制了河北省側蒴蘚類植物分科、分屬、分種檢索表,並根據標本對其中重要的代表種類做了顯微繪圖。
  2. An unconfined aquifer has a water table at its top and water in direct contact with the soil atmosphere.

    非承壓含水層在它的上面有一個潛水面且水與土壤大氣直接相連。
  3. Research on the measure to water and soil erosion prevention in black earth area

    黑土地區防治水土流失的對策研究
  4. Large area forest and bosk ( in liupan mountain ), dense grass ( moon mountain ), river and irrigative area, water, bare soil, each distribution characaters is differened from others. the case is showed that vegetation covered influence surface moist - heat character

    大面積的森林和灌叢(如六盤山一帶) 、茂密的草地(如月亮山) 、河流邊緣及附近有灌溉的地域(分佈有草地和農田) 、水體以及裸地區,這些區域各量的分佈特徵與其周圍地域明顯不同。
  5. In this paper, two major types, the natural vegetation and crop vegetation in luota are studied. we can gain the different distributive area by remote sensing technology, in accordance with conifer forest, broadleaf forest, thick shrub forest, shrub forest, herbs shrub forest, herbs naked rock and crop vegetation. the valuation of the output of standing trees, water conserbancy, soil conserbation to control erosion and purify the air is the main basis which is used to value the functions of the forest ecosystem of the conifer forest and broadleaf forest of luotathe result reveal that the total ecological function value of the forest which area is 1388. 8 hm2 is estimated up to 18. 36 million yuan per annum. the synthetic valuation system of luota vegetation is put forward by the valuation of per hm2 in evergreen - deciduous forest, conifer forest, conifer and broadleaf forest, broadleaf forest, scatteredtree - shrub forest, coppice - shrub forest, herbs shrub forest, econamic crop and cereal crops. the plant resources is valued according to the ornamental and green plant. lumber trees and medical plant. ornamental plant includes hosta plantaginea. lilium brownii van viridulum, spiraea cantomiensis and so on. lumber tuees includes zzzelkova schneideriana, emmenopterys henryi, catalpa fargesii and so on

    本文把洛塔現存植被分為自然植被與栽培植被兩大類進行研究,通過遙感技術對現存植被按針葉林、闊葉林、密灌、灌叢、草灌、荒草裸巖、農作物植被等類型進行分佈面積的統計,在此基礎上,以林產品價值、涵養水源價值、保護土壤價值和凈化空氣價值作為估算的主要參考依據,對已成林的針葉林與闊葉林進行森林生態系統的價值估算,得出面積為1388 . 8hm ~ 2的針葉闊葉林的森林生態價值為1836 . 37萬元,參照這一生態價值量,把洛塔植被按常綠落葉林、針葉林、針闊混交林、闊葉林、疏林?灌叢、矮灌叢、荒草灌叢、經濟作物和糧食作物,以每hm ~ 2的價值量提出了洛塔植被的綜合價值體系。
  6. One - year - old seedlings of chinese redbud ( cercis chinensis ) were grown in a pot with varying soil water levels, soil salt ( nacl ) levels and intercross stress to determine photosynthetic characteristics

    摘要應用盆栽試驗方法,採用完全隨機試驗設計,研究了1年生紫荊實生苗在不同土壤鹽分和水分及交叉脅迫下的光合特性。
  7. Taking the irrigation with reclaimed water of dawukou forest park in ningxia as an example, through the indoor test of one - dimensional dust columniation, the regular patten of pollutant shift in soil when irrigated with reclaimed water at different infiltration condition was studied

    摘要以寧夏回族自治區大武口市森林公園利用再生水灌溉為例,通過室內一維土柱試驗模擬土壤的入滲過程,研究了不同灌溉入滲條件下污染物在土壤中的運移規律,結果表明:土壤的吸附作用是影響該地區土壤污染物遷移的主要因素。
  8. ( 7 ) rainfalls can " deposit " the co2 in air, making it to take part in the process of karst, to dissolve and corrade carbonate rock. co2 concentration in soil become lower after heavy rainfall and become higher after general rainfall. ( 8 ) the value of chemical characteristic of soil water in the high elevation area is lower than that in the low elevation area

    ( 7 )降雨可以對coz產生影響, 「沉澱」大氣中的co : ,使其參與到巖溶作用中,溶蝕碳酸鹽巖;降雨對土壤空氣中coz的影響與雨強、雨量有關,降雨量、雨強較大時,土壤空氣中的c02產生受到抑制,降雨量和雨強較小時,土壤空氣中的coz濃度升高。
  9. The paper views the principles and mechanics in the aspect of saving soil water with three coving - substances from viewpoint of history bac kground, and explains its advantages and disadvantages, therefore, the techniques of chemical covering will be one of the importance of saving - water in the future farming

    摘要從農田化學介質覆蓋節水產生的背景及其過程,主要闡述了其研究現狀、原理、技術效果以及存在的問題,提出了農田化學介質物覆蓋節水將是未來農藝節水的重要技術之一。
  10. Climate and evaluation of crystallizable erosion of concrete by sulfates in water and soil

    土中硫酸鹽對混凝土結晶腐蝕的氣候與評價
  11. Study on characteristics of faded and defoliated foliage in soil and water conservation ecological rehabilitation region in zichuan

    淄川水土保持生態修復區枯落物持水特徵研究
  12. Water and soil conservation in ecology and dry farming agriculture play important role in shuangcheng city

    水土保持在雙城市生態和旱作農業建設中的作用
  13. Article 24 the local people ' s governments at various levels sha1l organize agricultura1 collective economic organizations and farmers to manage in a planned way the cultivated land with a slope of above 5 degrees but under the reclamation - forbidden degrees, by taking in line with different conditions such water and soil conservation measures as regulating drainage systems, building terraced fields, and practicing a method of cultivation conducive to water and soi1 conservation

    第二十四條各級地方人民政府應當組織農業集體經濟組織和農民,有計劃地對禁止開墾坡度以下、五度以上的耕地進行治理,根據不同情況,採取整治排水系統、修建梯田、蓄水保土耕作等水土保持措施。
  14. 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。
  15. Study on granular structure in laterite vn soil has already been reported in different land use pattern but it is little about soil fertility in karst environment. the better the soil structure, the higher the content of water - stable soil aggregate so there is an osculation correlation between aggregate and structure of soil

    不同利用模式下紅壤團粒結構的特徵研究己有報道,但關于巖溶環境中土壤變化的研究則很少。土壤團聚體與土壤的結構密切相關,團聚體含量高,則說明土壤結構好。
  16. In order to solve this problem, we find a kind of herbages plant - sabaigrass ( eulaliopsis binata ) which not only can accommodate the badly environment of purple soil but also have excellent water and soil conservation effect and good economic benefit. this study adopt quantitative and qualitative methods, through comparative study of four different utilization types : sabaigrass treatment, grass tree solid plating treatment ( planting sabaigrass under fruit trees treatment ), bare land treatment, natural wild grassland treatment, study water and soil conservation effect, soil water condition, soil constructors condition, soil fertility condition and soil surface temperature, then evaluated the water and soil conservation effect of plating sabaigrass in purple soil bare sloping field and probed into water and soil conservation mechanism. the main results are as follows : 1

    本研究針對湖南省衡邵盆地紫色巖地區日益惡劣的生態環境,從紫色土荒坡地水土流失治理入手,在尋求出既適應紫色土荒坡地惡劣環境又有良好水土保持作用和一定經濟效應的作物? ?龍須草的基礎上,用定性和定量相結合的方法,以「龍須草純種」 、 「龍須草與果樹立體種植」 (簡稱林草立體種植,下同) 、 「空曠地」 、 「自然野生雜草地」四種不同的土地利用方式進行對比研究,從水土保持效應、土壤水文狀況、土壤結構、土壤肥力狀況、地表溫度狀況等方面分析、評價紫色土荒坡地種植龍須草防治水土流失的效應,並對其機理進行了初步探討,主要研究結果如下: 1
  17. And we have got the following result : 1. the technique of storing water in soil in gneiss area of tai - hang mountain : the more water in soil before rain is, the less water capability of soil is, the time shorter of water flowing from soil is, the easier the water flows on the ground ; the soil capability of reserving water of different soil thickness is terrace > acacia land > pine land > grass land, so the soil is more thick, the soil capacity which contains water is more large ; the accumulated water that flows on the ground is remarkable related with the logarithms of rain time

    太行山片麻巖區土壤蓄水規律:雨前土壤含水量越高,土壤可蓄水量越小,出流所需時間越短,容易形成地表徑流;不同土層厚度的土壤蓄水量為:梯田刺槐林地油松林地草地;累積地表徑流量與降雨時間的對數呈顯著正相關,擬合方程為w = a + blnt ,相關系數均大於0 . 92 ,即在降雨強度一定的前提下,降雨時間越長,累計地表徑流量越多。
  18. In loess plateau areas, dry and varied climatic condition was the main reason that resulted in the instability of soil moisture in surface layer. and because of the bad soil pedality and pore continuousness, the water in soil deep layers was difficult to supplement for that in surface layer. so, soil moisture of surface layer varied commonly and strongly

    黃土高原地區乾燥、復雜多變的氣候條件導致該區土壤表層一定深度的濕度隨時空變化非常劇烈;而且,該區土壤的結構性和孔隙連續性都比較差,深層土壤水分難以到達表層,使得土壤表層處于經常性的干濕交替變化過程中。
  19. The amount of water in soil profiles under different kinds of native vegetation decreased with depth in the 0 - 400cm soil profile

    除0 ? 50cm層外,其它各層次土壤水分的季節動態趨勢均表現出較高的一致性。
  20. Coarse soil is easy to lost moisture and get little water in soil

    粗糙土壤失去較多的水分,從降水事件中得到少的水分。
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