calcium soil 中文意思是什麼

calcium soil 解釋
鈣質土
  • calcium : n. 【化學】鈣。
  • 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. It can also restrain the decomposition of organic substances in the soil and the bind of nitrogen, and wash away the nutritious elements, such as magnesium, calcium, and potassium. the acid rain deprives the soil. it acidifies the rivers and lakes, and dissolves the heavy metal in the soil into water, therefore poisons the fish

    它可以直接使大片森林死亡,農作物枯萎;也會抑制土壤中有機物的分解和氮的固定,淋洗與土壤粒子結合的鈣、鎂、鉀等營養元素,使土壤貧瘠化;還可使湖泊、河流酸化,並溶解土壤和水體底泥中的重金屬進入水中,毒害魚類;加速建築物和文物古跡的腐蝕和風化過程;可能危及人體健康。
  2. Research on soil moisture index of dry crops in caked calcium carbonate black earth

    砂姜黑土區旱作物土壤墑情指標研究
  3. Additions of organic matter to soil hasten calcium losses.

    土壤增施有機質會促進鈣的損失。
  4. We can use both calcium carbide dust and calcium carbide dust - flyash to stabilize fine - soil. as well as being used in subbase of high grade road, calcium carbide dust stabilization and calcium carbide dust - flyash stabilization can be used in basecourse of low grade road. so we can deduce that calcium carbide dust - flyash - gravel stabilization can be used in basecourse of high grade road

    我們可以利用電石灰來穩定細粒土,利用電石灰和粉煤灰來穩定細粒土。通過數據分析,這種電石灰穩定土和電石灰二灰土完全可以剛于高等級公路的高級路面的底基層,也可以用於低等級公路的路面基層,同時推斷,用電石灰和粉煤灰來穩定的級配碎石,可用於高等級公路的路面基層。
  5. Standard test method for field determination of water moisture content of soil by the calcium carbide gas pressure tester

    用碳化鈣氣壓檢驗器法現場測定土壤中水含量的標準試驗方法
  6. Study of peanut yield and fertility of soil for calcium magnesium phosphate to variant levels

    鈣鎂磷肥不同用量對花生產量及培肥地力影響的研究
  7. And it is in spring that soil water content, soil organic matter and calcium and magnesium suffered more seriously damage from overgrazing

    春季過度放牧對土壤表層的水分、有機質和鈣、鎂等元素造成的損失最為嚴重。
  8. The data indicated that in general, soil total capacity of calcium & magnesium in karst area is higher than in nonkarst area

    土壤中鈣鎂總量表現為整體上石灰巖地區鈣鎂總量較砂頁巖地區含量高。
  9. The importance of soil ph and of calcium and magnesium for soil fertility has been detected some 150 years ago

    值和土壤鈣鎂的肥度的重要性早在
  10. Under the direction of chinese soil taxonomy, part purple soils developed on the purplish standstones of j2 # j3 in sichuan basin were systematically studiedaccording to natural landscape, profile modality and quick - test, applying to methods statistic analysis and system integration, main affecting factors, indexs of soil series taxonomy and retrieval orders were systematically discussed. the results showed : 1 ) organic substance, total nityogen, total phosphate, total potassium and particle size composition were distinctly related with many soil characters. organic substance, calcium carbonate, available phosphate # size composition were much different in all swatches. besides, soil structure and the depth had profound affection to it. 2 ) affecting factors : soil structure, texture style and organic substance phosphorous

    本文以土壤系統分類理論為指導,以四川盆地侏羅系蓬萊鎮組、沙溪廟組和遂寧組紫色巖上發育形成的部分紫色土為研究對象,利用spss統計軟體相關功能,結合供試土壤的自然景觀、剖面形態和室內測定的理化性質,對土系分化的影響因子、土系劃分指標和檢索順序進行了系統的探討,結論如下: ( 1 ) 、供試紫色土中有機質、全氮、全磷、全鉀和顆粒組成與多個土壤性質均呈顯著或極顯著相關;有機質、碳酸鈣、有效磷、顆粒組成等性質在供試土壤方差分析中變異系數均較大;土體構型及土體的深度對土壤性質也有深刻影響。
  11. There are higher potassium and calcium carbonate content, larger ph, lower organic matter, nitrogen and phosphoric. compared sandy soil with zonal soil, mechanical composition is coarsal, there are no substance leaching. 3

    土壤鉀素、碳酸鈣和ph值較高,有機質和氮、磷養分貧乏,風沙土與地帶性土壤相比,機械組成明顯粗化,物質未發生淋溶淀積。
  12. The growth of the aerial portion was closely related to the supply of available calcium in the soil.

    地上部分的生長、與土壤有效鈣的供應密切相關。
  13. In si non - deficient soil ( available si more than 10. 5 mg / kg ), si addition ( silicon - calcium fertilizer ) has effect on increasing yield, the response was not significant

    在不缺硅土壤(有效硅高於10 . 5毫克/公斤)施硅(硅鈣肥)有增產效果,反應不顯著。
  14. Determination of exchangeable calcium and magnesium in forest soil

    森林土壤交換性鈣和鎂的測定
  15. In total 102 strains of acidic phytase producing strains were selected from soil by selective plate containing calcium phytate. among them 32 strains with relatively large clear circle were purified and re - selected by shaking - culturing. after fermented for 5days at 28 c and shaking at 220r / min, the activity of phytase was determined by nh4vo4 - ( nh4 ) 6mo7o24 method at 37 c and ph2. 5 or ph5. 5

    主要結果如下: 1植酸酶高產菌株的篩選利用植酸鈣選擇性子板培養基從土樣中篩選出102株酸性植酸酶產生菌,從中挑選出透明圈較大的菌株32株,經分離純化後分別進行搖瓶復篩, 28 、 220r / min發酵5天後,在37 、 ph2 . 5或ph5 . 5條件下用釩鉬酸銨法檢測其酶活,結果發現有3株菌產酶活性較高且產酶性能較為穩定。
  16. Soil quality - determination of nitrate nitrogen, ammonium nitrogen and total soluble nitrogen in air - dry soils using calcium chloride solution as extractant iso 14255 : 1998

    土壤質量.使用氯化鈣溶液作萃取劑測定干空氣土壤中的
  17. Calcium carbide dust pollutes environment seriously and in addition, the question of storage restricted the development of the corporation. to settle the question about calcium carbide dust is imperative under the situations. the text expatiated the application of calcium carbide ash in highway building. the article includes five aspects : 1. application of lime soil

    本文主要闡述電石灰在公路工程中的應用,為說明問題,全文共分五個部分,即一、石灰土在公路工程中的應用;二、二灰土的應用;三、石灰粉煤灰穩定級配碎石;四、電石灰應用;五、對滄州地區柔性路面結構組合的建議。
  18. The results indicate that the absolute and relative contents of sodium - ion and calcium - magnesium - ion in soil are important to identify dispersive clay soils, while the content of montmorillonoid is one of key factors and the river water affects the dispersibility of clay greatly

    結果表明土樣中鈉離子和鈣鎂離子含量多寡和相對含量對粘土分散性具有重要的作用,蒙脫石的存在是粘土分散性的重要因素,河水對粘土分散性能將產生顯著影響。
  19. The soil total capacity of phosphorus total capacity of calcium & magnesium and organic matter about plots in jinfo mt. were higher than in guilin

    金佛山樣地土壤有機質、土壤全磷及土壤鈣鎂含量均比桂林樣地高。
  20. The result showed that there were close negative relationships between biodiversity indices and soil total capacity of calcium & magnesium. there were ne

    土壤鈣鎂總量與物種的均勻度分佈有密切關系,隨著鈣鎂的增加,物種分佈的均勻程度減小。
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