soil density 中文意思是什麼
soil density
解釋
土壤緊實度-
Soil quality. determination of density of clods. paraffin coating method
土質.土塊密度的測定.石蠟塗層法 -
Russula subnigricans hongo grows fast after shower in the later summer and early autumn when it was hot. they emerged in the forest stand in which crown density was 0. 9 or so. soil ph was 5. 75, and fagaceae species dominated
每年在夏末秋初高溫陣雨之後為發生盛期。發生地林間郁閉度0 . 9左右，土壤ph值5 . 75 ，其共生樹種以殼斗科為主。 -
In conclusion, the variable degree of the soil water properties and bulk density in different layers is water content > wilting point > field capacity > saturation > bulk density
總的來看，各水分特性在剖面各層的變異情況為:含水量>萎蔫含水量>田間持水量>飽和含水量>容重。 -
The coefficient of variation of saturated water content decreased with the depth of profile. the coefficient of variation of bulk density and field capacity fluctuate with depth of soil
飽和含水量的變異系數都隨深度的增加逐漸降低，含水量、容重和田悶持水量的變異系數隨深度的呈波動變化。 -
At the same time, the quality of different - state water was studied. the results show : the soil bulk density of the fir wildwood heightens with the increase of soil depth, specifically 0. 74 > 0. 94 andl. 34g / cm3, the saturated, canaliculus and field moisture contents decrease gradually in layer a, b and c, accordingly the soil total foveola decreases gradually, and the moisture - hold capacity of the soil lessens gradually with the increase of the soil depth ; there is small difference of the soil bulk density between layer a and b in the outer space, which are respectively 0. 92 and 0. 99g / cm3, and the other laws are the same as the in ner in the main ; reverse success often occurs in the low position of the thoroughly - fell trace and plateau marsh is formed
結果表明：冷杉原始森林土壤容重隨土層深度的增加而增大，分別為0 . 74 、 0 . 94 、 1 . 34g cm ~ 3 ，飽和持水量、毛管持水量、田間持水量a層、 b層、 c層逐漸減小，十壤總孔隙度也逐漸減小，土壤的持水能力隨深度的增加逐漸減弱；林外空地a層、 b層十壤容重相差不人，分別為0 . 92和0 . 99g cm ~ 3 ，其它規律與林內人體相同：皆伐跡地的低洼地段容易發生逆行演替，形成高原沼澤地。 -
2. the structure of purple soil is meliorated by sabaigrass. when contrast to bare land treatment and natural wild grassland treatment we knew that sabaigrass treatment and grass tree solid plating treatment reduced soil bulk density, enhanced soil capillary porosity, non - capillary porosity and porosity ratio, decreased soil sand grain content, enhanced soil clay grain and silt grain content so as to reduced the dispersal degree of soil, improved the aggregate capacity of soil, increased the amount of soil aggregate structure, meliorated the water permeability of soil, accelerated the form of good soil structure
龍須草能改善紫色土的土壤結構龍須草純種植被和林草立體種植植被能不同程度地降低土壤容重，減少土壤砂粒含量，增加土壤的毛管孔隙度、非毛管孔隙度和孔隙比，以及增加粉粒含量，從而降低土壤分散度，提高土壤團聚性，增加土壤團粒結構數量，改善土壤的透水性，促進良好土壤結構的形成，最終提高土壤的蓄水保肥性能，增強土壤的抗蝕性和抗沖性。 -
Lindane ddt deltamethrin and carbofuran to exert a certain influence to soil nematode density, nematode community structure in being cultivated in a pot and experimental, but not a decisive factor
林丹、 ddt 、溴氰菊酯和呋喃丹對模擬實驗中的土壤線蟲密度、線蟲群落結構產生一定影響，但不是決定因素。 -
Radiation protection of mc - 3c nuclear soil density gauge
治療的放射防護安全性評價 -
Influence of organic fertilizers on soil bulk density and porosity of purplish soil
有機肥對紫色土容重及孔隙度的影響 -
Based on the principle of significant effect of soil fertility factors on forest growth, soil physical factors ( natural water content, bulk density, total porosity, capillary porosity, aggregate degree, coarse silt and physical clay ), chemical factors ( om. total n, alkali - hytrolyzable n, total p, humus and ha / fa ) and biological factors ( urease, acidphosphotase, invertase and microbes ) were selected as evaluation index system of soil fertility. applying principal component analysis, soil ifi of subalpine coniferous forest was calculated
從土壤物理、化學、生物學三方面出發，建立了川西亞高山針葉林不同演替階段土壤肥力評價指標體系，應用主成分分析，計算出不同演替階段土壤肥力綜合指標值（ ifi ） ，各演替階段大小順序為： 10年生雲杉林地跡地原始林地次生樺木林地30年生雲杉林地20年生雲杉林地50年生雲杉林地60年生雲杉林地40年生雲杉林地。 -
The paper made an ecological anatomy, a cultivation experiment on the lime - soil habtat and an analysis on the diurnal variation of photosynthetic an transpiration rate from three aspects of morphology, transplantation, physiology. the conclusion is that : ( 1 ) from the viewpoint of morphological anatomy, it has typical xerophyte structure such as strong root system, small leaf area, dense floss under the leaf surface, high stomatal density, the small opening degree, developed vessels and palisade tissues etc
從形態學、栽培學和生理學三方面對迷迭香進行生態解剖、石灰土上的栽培實驗以及光合蒸騰速率日進程的分析，得出以下結論： （ 1 ）在形態解剖上：迷迭香具有發達的根系，較小的葉面積，葉片下表面密被絨毛，氣孔密度大，開度小，厚的角質層和發育良好的木質部和柵欄組織等典型的旱生結構。 -
The results showed that straw returning had not significantly increased the content of organic matter except for the treatment b. the treatments of straw - returning had a tendency to decrease the bulk density of soil in a no significant manner, thus increased the porosity of soil
實驗室內對土壤微團聚體的分析還表明，隨著稻草的施入，土壤的微團聚化程度得到了提高，但全量整株還田處理與其它處理之間差異很小。 -
Meanwhile, the study also shows that the diversity of studied cave animals is inversely proportional to human population density and water quality ; and bio - diversity, to some extent, is proportional to soil fertility and amount of chemical fertilizer, but inversely when excessive ; the correlativity between bio - diversity and vegetation cover rate is not obvious, when ground vegetation is strongly interfered by human being ; the amount of diestrammena marmorata is proportional to the d iversity of plant, and inversely proportional to soil fertility, and in a way, to water quality ; and the correlativity between community and water quality and soil fertility, and between water quality and the amount of mosquito and fly, is not as good as expected. the author points out that diestrammena marmorata, bat, mosquito, fly, oreolalaxrhohostig metus ( or cudata ), and fish can be chosen as in
同時，研究還表明：調查洞穴的物種多樣性與人口密度、水質成負相關；在一定范圍內，物種多樣性與化肥施用量、土壤肥力成正相關，超過一定的值則成負相關;在人類對地表植被的高強度作用下，物種多樣性與植被覆蓋率的相關性不明顯;蚊蠅數量與土壤肥力基本上呈正相關;斑灶馬數量與植物種數呈正相關，斑灶馬數量與在一定水質范圍內與水質呈負相關，與土壤肥力呈負相關;群落數與水質和土壤肥力、蚊蠅數量與水質都不能表現較好的相關性;研究認為，可以選擇斑灶馬、蝙蝠、蚊蠅、紅點囊蟾（或有尾類） 、魚類等作為指示動物對洞穴環境進行監測。 -
Standard test method for density of soil in place by the drive - cylinder method
傳動缸法現場測定土壤密度的標準試驗方法 -
Soil quality. physical methods. measuring of the bulk density of a undisturbed soil sample. cylinder method
土質.物理檢測方法.原狀土壤樣品的松密度的測量.圓柱方法 -
Exchangeable aluminium, humic acid component content in rhizosphere soil and non - rhizosphere soil, activity acidity, organic matter content, humus component content, total amount of fifteen types of amino acid, the content of various forms of phosphorus, the amount of three main types of microbes, enzyme activity, and bulk density in non - rhizosphere soil increased
根際和非根際土壤交換性鋁含量、胡敏酸組分，非根際土壤活性酸、有機質含量、腐殖質組成、 15種氨基酸總量、各磷形態含量、三大土壤微生物數量、酶的活性和土壤容重增加。 -
Based on the concepts of elastic wave velocity of skeleton and reinforced cohesion, the effect on the velocity by soil density with different saturation was distinguished from that by weakened reinforced cohesion ; on the condition of same confined press and saturation, the elastic wave velocity was measured before and after soil samples were dynamically loaded, so that the elastic wave velocity changed by dynamic load was distinguished from that by soil. nature characteristic
（ 9 ）通過試驗運用了骨架波速和黃土加固凝聚力的概念，將飽和度的增加引起土體密度的增加對波速的影響與水破壞加固凝聚力對波速的影響區分開來；在相同的壓力和飽和度（近似）條件下，採用動力作用前後分別測試彈性波速的方法，將動力荷載對加固凝聚力的破壞作用與土樣自身的顆粒組分對波速的影響因素區分開來。 -
Test method for soil density by the sand replacement method
用砂置換測量土壤密度的試驗方法 -
The indoors experimental results show the influence of soil density, moisture, permeability and restrain on the frozen - heave forces. from year ' s observation in - situ, the field data supports the relationship of foundation area, embedded depth and superimposed load with normal frozen - heave force
通過野外現場的試驗的觀測，初步掌握了基礎法向凍脹力與基礎面積、基礎埋深、附加荷載等因素之間的關系以及平板基礎所受凍脹上抬力各組成部分之間的相互影響規律。 -
Methods of soil investigations for agricultural water engineering - physical laboratory tests - part 13 : determination of soil density, total pore volume and porenumber of mineral soils
農業水利工程土壤調查方法.實驗室物理試驗.第13部分
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