水與土壤 的英文怎麼說
中文拼音 [shuǐyǔtǔrǎng]
水與土壤
英文
wasser und boden-
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。The results showed that the mean proportion of polymorphic loci ( ppb ) of anabasis aphylla, which comprised 3 subpopulations ( 58 individuals sampled ), generated by 16 primers was 94. 56 %, the value of ppb of ceratocarpus arenarius, which had 4 subpopulations ( 80 individuals sampled ), using 16 primers was 98. 00 %. the paper had proved that the higher genetic diversity and the genetic differentiation existed in the populations of boih anabasis aphylla and ceratocarpus arenarius, while the latter had much more genetic diversity than the former. moreover, the study discussed the shannon information index and nei ' s gene diversity index of the two species natural populations, which indicated that there were more genetic variations within the subpopu
另外,通過rapd資料的聚類分析及相關性分析研究,發現無葉假木賊和角果藜自然種群的遺傳結構與綠洲沙漠過渡帶的微生境生態因子(主要是土壤因子)相關,其中無葉假木賊亞種群遺傳多樣性水平不僅與土壤含水量( w ) 、鉀鈉離子濃度( k + na )和氯離子濃度( cl )呈顯著的正相關( p 0 . 05 ) ,還與土壤中有機質( som ) 、全氮( nt )和全磷( pt )含量呈顯著的負相關;同時,角果藜種群的遺傳多樣性水平與土壤中有機質( som )和全氮( nt )含量呈顯著的正相關,而與co _ 3 ~ ( 2 - )濃度呈顯著的負相關;除此之外,其它土壤生態因子與兩物種遺傳多樣性水平的相關性均不顯著(卜0 . 05 ) 。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。Fungi form mycorrhizae in plant roots and the hyphae take in carbon from plants through their epidermal cells and move mineral nutrients and water from soil to their epidermal cells ; this symbiosis is of high importance in studying biodiversity conservation, the origins and evolution of terrestrial plant, the rehabilitation and reconstruction of degenerated ecosystems, agriculture, horticulture and forestry
真菌在植物根系形成菌根后,菌絲通過根的皮層細胞獲取植物提供的碳源,同時將礦物營養和水從土壤轉運到皮層細胞,這種共生過程的研究在生物多樣性的保護、陸生植物的起源與演化、退化生態系統的修復與重建以及農業、林業和園藝業的應用具有重要的意義。Article 2 " agro - techniques " mentioned in this law refer to the scientific research results and practical techniques to be applied to crop cultivation, forestry, animal husbandry and fishery, including techniques of breeding good strains, applying fertilizers, preventing and controlling plant diseases and insect pests, as well as plant cultivation and animal husbandry ; techniques of processing, preserving, storing and transporting products and by - products of agriculture ; techniques of agricultural machinery and agricultural aviation ; techniques of irrigation and water conservancy, soil improvement and water and soil conservation ; techniques of water supply and energy utilization in rural areas and agricultural environmental protection ; techniques of agricultural meteorology, and techniques of agricultural management and administration
第二條本法所稱農業技術,是指應用於種植業、林業、畜牧業、漁業的科研成果和實用技術,包括良種繁育、施用肥料、病蟲害防治、栽培和養殖技術,農副產品加工、保鮮、貯運技術,農業機械技術和農用航空技術,農田水利、土壤改良與水土保持技術,農村供水、農村能源利用和農業環境保護技術,農業氣象技術以及農業經營管理技術等。Study on relation of heavy metal pollution in soils of rice lands near smeltery and enzyme activities
冶煉廠附近水稻田土壤重金屬污染與土壤酶活性的相關性研究In addition, the dynamic equation about ammonia fertilizer affected by interaction of water and temperature is gotten. 3. the phenomenon about water vaporization - induced ammonia volatilizing is verified, and it is studied quantitatively
此外,通過回歸分析還建立了表徵施入土壤中尿素轉化為銨態氮的動力學型方程,其參數均與土壤水分、溫度有關,並得到這些參數的水熱耦合效應關系式。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。Including irrigation time, frequency, and quantity of water, of which based on the evapotranspiration rate and crop coefficients in different months and the rank of visual appearance of different date
根據草坪質量與土壤含水量、土壤水勢的相關性及作物系數、蒸發量等參數,準確計量其灌水時間、灌水量和灌水頻率。On the base of var. analysis significance of the experimental treatment, we investigated crop response to water - salt stress regularity, studied the quantity relationship about crop yield and soil water and salt, established a function about them referring to blank and jense water model. conclusions as follows : ( 1 ) the effect of germinating time and rate emergence are different in soil with different salt content, and limited seriously in heavy saline soil
在方差分析確認試驗處理顯著的基礎上,對作物生理生育指標(株高、莖粗、葉片數、花盤直徑、干物質量、葉水勢、籽實產量)進行統計分析探索作物水鹽響應規律;研究作物產量與土壤水分鹽分聯合作用的定量關系,參照水分的blank加法和jense乘法模型結構,建立作物水鹽響應模型。Zhou, f. j., j. wu and s. p. mcgrath ( 1996 ). soil organic sulphur and the turnover. humic substances in terrestrial ecosystems ( a. piccolo, ed ). elsevier, amsterdam. pp. 467 - 505
吳金水1994 。土壤有機質及其周轉動力學。何電源主編《中國南方土壤肥力與栽培植物施肥》 ,科技出版社,第28 ? 62頁。This can be done by converting to water - conserving irrigation systems ; taking the poorest and steepest lands out of production ; switching to less - thirsty crops ( which may require changes to government subsidies for certain crops0 ; implementing proper agricultural land drainage and soil management practices, and reducing fertilizer and pesticide use
可行的方式是改變水保持的灌溉系統;讓貧瘠陡峭的地解除生產,掌握少旱作物(可以要求將政府津貼抵代某些作物) ;執行更合適的農業土地排水及土壤經營機制,以及減少肥料與殺蟲劑的使用。Soil water content was measured at 28 points in the catchment. biomass and productivity of the plant communities, transpiration rates of dominant plants, and plant community diversity were also measured at various points along the slope. l. in general, it seemed that soil water content increased from the top to the bottom of the catchment.,
在相似植被及坡面形狀條件下,土壤水分沿坡面向上逐漸降低;植被類型及其分佈與土壤水分的坡面分佈密切相關,對上述趨勢有減弱的作用,研究發現在偏旱的2002年生長季末,陰坡灌叢坡面坡下的土壤水分含量明顯低於坡上。Results showed that the contents of soil organic matter, nitrogen and phosphorus in paddy fields increased year after year, under the application of chemical fertilizer combined with organic manure, even if the chemical fertilizer played a leading role in the supply of nutrient
調查結果表明,在目前有機肥與化肥相結合,養分供應以化肥為主的施肥結構下,水田土壤有機質和氮、磷含量有所增加,旱地土壤有機質和全氮含量下降,土壤磷素有積累。Results showed that the contents of soil organ ic matter, nitrogen and phosphorus in paddy fields increased year after year, unde r the application of chemical fertilizer combined with organic manure, even if t he chemical fertilizer played a leading role in the supply of nutrient
調查結果表明,在目前有機肥與化肥相結合,養分供應以化肥為主的施肥結構下,水田土壤有機質和氮、磷含量有所增加,旱地土壤有機質和全氮含量下降,土壤磷素有積累。The dynamics equations of soil water vaporizing and ammonia volatilizing hcluding the factors of water and temperature, and the dynamics - like equation of urea transforming into ammonium nitrogen in soil are founded in the paper, by taking the effect of interaction of water and temperature as subject, the dynamic change character of object studied as basis and using principle of chemical dynamic ; the empirio - equations of soil water retention curve including temperature and the empirio - equations including temperature between water potential of millet seedling leaves and soil water are founded in order to make the equation of relation between water potential and water content in soil suit the demand of temperature change much better
本文以水熱耦合效應為主題,基於研究對象的動態變化特徵,應用化學動力學原理,建立了含水、熱因子以及水熱耦合效應的土壤水分蒸發、肥料氨揮發動力學方程,以及施入土壤中的尿素轉化為銨態氮的動力學型方程;為使水勢?含水量關系式更好適應變溫條件應用的要求,建立了含溫度因子直接表徵土壤持水曲線的經驗方程,以及含溫度因子的穀苗葉水勢與土壤含水量關系經驗方程。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In this paper, the first, based on the mechanism of concrete crack, the cause, main factors, and measures are analyzed. the second, temperature field of mass concrete is theoretically studied. the results simulated from fem software ansys indicates that interaction between concrete and soil should be considered enough when mass concrete temperature field of foundation in high - rise building is calculated
第二,對大體積混凝土的溫度場進行了理論研究,運用大型有限元軟體ansys模擬的結果表明在計算高層建築基礎大體積混凝土的溫度場時要充分考慮混凝土與土壤之間的相互作用,並確定了高層建築基礎大體積混凝土溫度場計算時的水化系數的取值范圍。And the choice range of hydration coefficient is determined on calculating mass concrete of foundation in high - rise building. at last, combining the test data with the ansys result, some measures about crack - control in construction are summarized. it can be referred to the study on mass concrete of foundation in high - rise building for interaction between concrete temperature field and soil temperature field considered, choice range of hydration coefficient determined, and measures about crack - control in construction summarized in this paper
最後,結合現場監測的數據和ansys計算的理論值,對高層建築基礎大體積混凝土的溫度裂縫的控制提出了有效的控制措施本文提出考慮混凝土與土壤相互作用的溫度場,確定的高層建築基礎大體積混凝土溫度場計算時的水化系數的取值范圍以及建議的現場溫度裂縫的控制措施,對今後建築工程大體積混凝土的研究具有一定的參考價值。For this reason, our objective is the research of the mechanism of runoff generation and characteristics of moisture changing process of slope farming purple soil, accordding to the theory of hydrology and the intergrated - means of compined the hydrology with the peodology, because it is the basis of the studies : soil erosion and protection, farming - land water balance, non - point pollute, etc., and the direction gist of runoff arrange implement, solving water hazard and management of irrigation and fertilizer
綜觀國內外有關研究,我們認識到對紫色土土壤產流和水分變化特徵的認識,是認識該區土壤侵蝕與保護、農田水量平衡、非點源污染等的機理和規律的基礎,也是解決該區水患問題、實施徑流調節而提高旱地的雨水利用程度,以及水肥管理等的基本科學依據。因此,以水文學原理為基礎,採取水文學與土壤學、地理學、水土保持學等相結合的途徑,研究紫色土坡耕地的降雨產流機制與產流後土壤水分的變化特徵,是具有新的科學價值和現實意義的。分享友人