著地濃度 的英文怎麼說
中文拼音 [zhāodenóngdù]
著地濃度
英文
immission- 著 : 著助詞1. (表示動作的持續) 2. (表示狀態的持續) 3. (用在動詞或表示程度的形容詞後面, 加強命令或囑咐的語氣) 4. (加在某些動詞後面, 使變成介詞)
- 濃 : 形容詞1. (液體或氣體中所含的某種成分多; 稠密) dense; thick; concentrated 2. (程度深) (of degree or extent) great; strong
- 度 : 度動詞[書面語] (推測; 估計) surmise; estimate
- 著地 : landing
- 濃度 : potency; thickness; concentration; consistence; strength; consistency; density
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The stem of helianthus tuberosus ( l. ) had the ability of containing high contents of na + and cl -, and selectively absorbed k + in high proportions seawater irrigation ; the above and tubers yields of helianthus tuberosus ( l. ) had n ' t decreased until at the 50 % proportions seawater irrigation where the yields decreased by 37 % and 32 % in contrast to freshwater - irrigated. it meant that through natural weather, reduction of yields was occurred by salinity of irrigation water but the reduction was not significant until the proportions of seawater in irrigation water were the same as 50 % or above it
海水灌溉下,菊芋的莖部具有明顯的貯cl ~ - 、 na ~ +能力,在高濃度海水灌溉下菊芋整個植株對k ~ +具有較高的選擇吸收性;菊芋地上部和塊莖產量在30海水處理范圍內,沒有減產趨勢,在50海水灌溉下減產幅度分別為37和32 ;可見,正常自然條件下的海水灌溉,對產量的影響主要和灌溉水的濃度有關,但只有在50處理下才顯著減產,低於50產量並無差異。In light of current using situation and drawing on the experience of many scholars researched methods and viewpoints, this thesis made com land, fallow land, orchard, grass land as experimental field in black soil region jlau, which carried out experiment by applying different amounts of n and p fertilization in corn field. by means of collecting the samples of rainfall runoff, erosion silt and surface layer soil before and after rainfall for one year nature precipitation in field, we study the effect of surface runoff on n and p nutrient and fertility degeneration. the results showed : ( l ) there are lots of factors which affect soil erosion and losses of n and p, in which rainfall and rainfall intensity were more important, while rainfall intensity is the most important meteorological phenomena factor
針對當前黑土利用現狀,本文借鑒眾多學者的研究方法和觀點,在吉林農大黑土區選擇利用方式不同的玉米地、休閑地、果園、草地,在玉米區進行了不同數量的施肥,通過野外試驗,採集一年自然降雨產流及泥沙樣品,同時採集降雨前後的耕層土壤樣品,研究了黑土區地表徑流對氮磷養分特徵及肥力退化的影響,結果表明:土壤侵蝕和氮磷的流失受諸多因素的影響,降雨量、降雨強度是重要因子,而降雨強度是影響農田地表徑流養分流失的最重要的氣象因子,特別是暴雨,暴雨徑流中氮磷濃度較平時高得多;隨作物生長,覆蓋度逐漸增加以及不同利用方式下表現的覆蓋度差異,氮磷流失都表現為顯著的差異。Tp ( total phosphorus ) has accumulated in the whole layers of sediments from surface to 100cm. 2. the variation of non - point source pollutants after input to wetalnds with rain runoff and fields drainage the concentrations of cod, tn and nh / - n are decreased after input to wetalnds with rain runoff and fields drainage
降雨徑流和農田排水中非點源污染物進入溝渠濕地后的變化特徵降雨徑流和農田排水中的cod 、 tn 、 nh _ 4 ~ + - n進入濕地后,濃度均顯著降低,證明濕地對非點源污染物有很好的截留和凈化效果。So it is chiefly that soil co2 concentration and its influencing factors should be studied in ordered to learn the mechanism of epikarst ecosystem and global carbon cycle. karst dynamics laboratory, ministry of land and resources, has been studied the mechanism of seven typical epikarst ecosystem and global changes through igcp 299 ( geology, climate, hydrology and karst formation, 1990 - 1994 ) and igcp 379 ( karst processes and the carbon cycle, 1995 - 1999 ) to igcp 448 ( world correlation of karst ecosystem, 2000 - 2004 ), while observation and analysis and research of epikarst ecosystem in mt. jinfo have just been beginning. the thesis analyzes that based - on observational point of green pond and deep dell in the west slope of jinfo mountain, co2 concentration and regularity of epikarst ecosystem contrasting woodland with uncovered land have been studied through the observation of temperature and humidity and co2 concentration
國土資源部巖溶動力學開放研究實驗室以igcp229 、 igcp379和igcp448項目為依託,開展了我國7個典型的表層帶巖溶生態系統運行規律及其全球變化影響研究,而其中金佛山的觀測、分析與研究則才剛剛起步,本文以金佛山西坡摘公碧潭幽谷為觀測點,主要通過coz濃度、溫度和濕度的觀測,開展林地表層帶巖溶生態系統與裸地表層帶巖溶生態系統coz濃度特徵及其變化規律的對比研究,這對進一步深入研究巖溶生態系統運行機制和全球碳循環以及開展全球巖溶生態對比有著重要意義。Comparing with full light treatment ( control ), tr, gs, wue and light saturation point were significantly decreased, ci was increased by shading. so far as curve of light response, seedlings of 2 tree species represented higher photosynthetic capability under shading treatments in the ranges of low light
和對照的全光照處理相比,遮蔭處理顯著地降低了多脈青岡和金葉含笑的蒸騰速率、氣孔導度、水分利用率和光飽和點,細胞間隙co _ 2濃度在遮蔭條件下顯著上升。2 ) from the analysis of the aerodynamic parameters and turbulent flux transfer under different synoptic conditions we achieve the conclusion that on sands raising and sandstorm days turbulent momentum and sensible - heat fluxes are important exchange factors in the boundary layer, with turbulent exchange stronger in sandstorm weather than both on fine and sand raising days. prior to the occurrence of such an event, in particular, the super - adiabatic instability in the near - surface boundary will reinforce sandstorm weather condition. 3 ) atmospheric turbulent diffusion parameters z and y have apparent daily variation
沙塵天氣下以親地殼元素為主的氣溶膠元素濃度均高於背景大氣和浮塵天氣,而且沙塵天氣強度愈強,元素濃度的增加愈顯著;背景大氣、浮塵天氣條件下親地殼元素的濃度一般在10 ~ ( - 1 ) 10 ~ 0 g m ~ 3量級,揚沙、沙塵暴時一般達10 ~ 1 g m ~ 3量級,特強沙塵暴時高達10 ~ 2 g m ~ 3量級。The simulation result shows that vadose zone can rigorously retard those nuclides with vigorous adsorbility, i. e. the bigger the nuclide decay coefficient is, the more the nuclide is retarded in vadose zone and the less the nuclide concentration in aquifer is, and that the distribution coefficient directive affects the form of the nuclide concentration curve in an aquifer
數值模擬結果表明:包氣帶對于吸附性較強的核素具有很大的阻滯作用,對于低分配系數的核素阻滯作用較弱;衰變系數對含水層中核素的遷移起到了重要作用,隨著衰變系數的增大,地下含水層中的核素體積濃度逐漸降低,並且分配系數的大小直接影響著核素在含水層中體積濃度分佈曲線的形狀。In this paper introduced the study of fuzzy controller which was used for co2 supplying control from co2 source - high - pressure steel tin to culture box, studied the control of relative humidity and co2 concentration in the culture box and effects of co2 enrichment ( enrichment concentration was 900 - 1100mol mol - 1 ) on the growth of chrysanthemum plantlet and tried to clean the air in the culture box by cycling the results indicated that this environment control system operates normally and reliably. it can keep the co2 concentration and relative humidity in setting scope ; it is good to the growth of the culture plantlets to clean the air in culture box by cycling ; co2 enrichment can promote the growth and photosynthetic and can increase the percentage of shooting the number of new leaves of the chrysanthemum plantlet cultured under co2 - enriched condition is 1. 85 times of the plantlet cultured under co2 - nonenriched condition ; the number of the roots of the chrysanthemum plantlet cultured under co2 - enriched condition 5. 67 times greater compared with the plantlet cultured under co2 nonenriched condition
結果表明:所研製的無糖組培微環境co _ 2增施監控系統工作正常、穩定、可靠,能有效地將組培箱內的co _ 2濃度及其相對濕度控制在設定范圍內;用箱外循環法對箱內氣體凈化處理后,改善了組培箱內的氣體環境,有利於組培苗的生長發育; co _ 2富集環境中,組培苗生長健壯、發育良好,生根率顯著提高,根系發達。本實驗條件下,處理組菊花組培苗的新增葉片數是對照組的1 . 85倍;處理組的根總長是對照組的10 . 6倍;處理組根數是對照組的6 . 67倍。But on the later condition the trend of accumulation turned to be stable in the w3 treatment ( vseawater / v pure water = 1 ) - in root zone soil, variation of sar value accorded with total salt accumulations and sometimes decreased at the treatment where the v seawater / v pure water > 1. contents of cl - and na + which were the main ions and leached obviously in 0 - 60cm soil were greatly influenced by rainfall, but the rainfall did not affected the contents of ca2 +, mg2 + and k + whose ability of leaching is worse than that of cl - and na + in the root zone soil obviously. the vertical distribution of salt ions in the 0 - 60cm soil were mainly affected by the ratio of v seawater / v pure water in the irrigation water on the condition of not enough rainfall, but on the cont
海水灌溉下,耕層土壤中鹽分含量受降雨量影響很大,足夠的降雨條件下,鹽分不會積累,降雨量較低時,鹽分積累明顯,但在50海水處理下趨于平衡狀態;耕層土壤sar值的變化情況和鹽分含量變化情況相一致,在灌溉水中海水濃度大於50時有所下降;土壤中主要鹽離子為cl ~ -和na ~ + , 0 - 60cm土層內, na ~ + 、 cl ~ -明顯的向土壤底層遷移,其在土壤中的含量受降雨影響顯著,而ca ~ ( 2 + ) 、 mg ~ ( 2 + )和k ~ +在土壤中遷移能力較低,其含量受降雨影響較小; 0 - 60cm層次土壤鹽分的縱向分佈在降雨量較低的條件下主要受灌溉水中海水濃度的影響,而在降雨充分的條件下,地面覆蓋程度成為重要的影響鹽分和水分脅迫下菊芋的生理響應及其海水灌溉研究因子之一。The concentrated slurry is fed onto the cloth filter / belt conveyor and spread evenly across its width
濃縮料漿進入到皮帶機的濾布上/皮帶輸送機上然後沿著其寬度均勻地展開。The total ozone distribution over stratosphere layer in china appears obviously seasonal variation tendency, that is, the value of total ozone in spring and winter is higher than that in summer and autumn, while the maximum of surface o3 over waliguan is in summer, which is relatively late, approximately 2 - 3 months, it illustrates that the vertical transport from stratosphere has important effect to the increasing of surface o3. compare to the izana global observatory, surface o3 has been slowly increasing, but not so stable, it also shows that the monitoring of surface o3 has global scale, and its data has comparability in the world
( 7 )中國大陸上空平流層臭氧柱總量分佈存在明顯的季節變化趨勢,即冬春季臭氧柱總量高於夏秋季;瓦里關近地面層臭氧濃度最高值出現在夏季,落後平流層2 3個月,說明在瓦里關地區夏季平流層o _ 3的垂直輸送對地面臭氧濃度的增加發揮著重要作用; ( 9 )與izana全球站相比,地面o _ 3均呈逐年上升趨勢,上升較為緩慢,且不太穩定,說明瓦里關地區地面o _ 3監測具有一定的全球尺度和國際可比性。Wether in three or 1 eight weeks, the biomass ( dry matter ) of rape and rice decreased significantly for higher re treatments, and the inhibition of re to the rice was stronger than to the rape
無論短期或長期內,高濃度稀土處理均顯著地降低油菜和水稻的生物量(以干物重計) ,且對水稻生長的抑制作用更為明顯。 3The main results are as follows : 1. co and water vapor column contents retrieved from the solar absorption spectra are well related with the surface co concentration and surface dew point respectively
主要研究過程和結果如下: ( 1 )利用太陽吸收光譜反演得出的co柱總量與地面co濃度之間、水汽柱總量與地面露點溫度之間存在著比較好的相關性。With the aggravation of global warming effect, in order to search for appropriate strategies to decrease the concentration of ghgs ( greenhouse gases ) in the atmosphere, research on carbon cycle and carbon budget of terrestrial ecosystems has been a hot topic in the field of global change
隨著全球溫室效應的加劇,為探索降低大氣溫室氣體濃度的對策,陸地生態系統碳循環及碳收支研究成為當前全球變化研究的熱點問題。The main results of the experiment are as follows : 1 the comparison of the stress effects of nacl and na2co3 on suaeda salsa l. the growth of suaeda salsa could be promoted by certain concentrations of nacl but inhibited markedly by na2co3 the change in root vitality was not significant under nacl stress but significant under na2co3 stress
1nacl和na _ 2co _ 3對鹽地堿蓬脅迫效應的比較300mmol l以下的nacl能促進堿蓬的生長,而na _ 2co _ 3在濃度不很大時就能顯著抑制堿蓬的生長。堿蓬在nacl脅迫下根系活力變化不顯著,但在na _ 2co _ 3脅迫下,堿蓬根系活力則顯著下降。The result showed that physiological response were mainly affected by concentration of peg and less affected by time of peg ( 6000 ) treatment. relative water content of leaves root activity, and growth of roots and plants showed a less reduction under 10 - 20 % peg ( 6000 ) treatment, but ratios of root cap, and contains of soluble sugar, contain of pro and potassium showed a less increase. all those just described indexes showed a marked change under 25 % peg treatment
在10 20的peg濃度脅迫下,葉片相對含水量、根系活力、根系及地上部生長量下降的幅度較小;根冠比、可溶性糖、脯氨酸( pro ) 、 k ~ +上升的幅度也較小,而在25的peg濃度脅迫下上述指標發生了很顯著的變化,葉片相對含水量、根系活力明顯下降,可溶性糖最大含量出現的時間較20濃度脅迫的提早3d ,且較20時的最大含量小,並在延長處理3d后又開始下降,根系和地上部的生長受到嚴重抑制,且地上部影響大於根系,根冠比顯著增大,脅迫後期趨于恆定狀態,生長幾乎完全停止。Test results show chloride ions critical content in immersion conditions is always larger than that in cycle of dry and wet for the same concrete, that is, test conditions affects chloride ions critical content value. in the same conditions, water / binder ratio obviously affects chloride ions critical content, but the influence of fly ash or slag on chloride ions critical content is not obvious. it is obtained the equation that chloride ions critical content change with water / binder ratio through linear fitting experiment data
結果表明,同技術條件的混凝土試件,在全浸泡條件下的氯離子臨界濃度均要大於干濕循環條件下的,即臨界濃度大小受到試驗條件的影響;相同的試驗條件下,水膠比對氯離子臨界濃度大小有顯著地影響,而摻入適量的粉煤灰或礦渣粉對氯離子臨界濃度無明顯地影響。3. wether at the third or eighth week, n, p, kand ca absorptions in rape and rice with re treatments of appropriate dose increased, the effects at the third week were better than at the eighth week, and the absorptions decreased significantly with higher re treatments
無論是在第三周或第八周,低濃度稀土處理均促進了油菜和水稻對氮、磷、鉀和鈣的吸收,且短期內作用效果更明顯,同時高濃度稀土處理均顯著地抑制兩種作物對氮、磷、鉀和鈣的吸收。They must be able selectively to allow certain molecules or ions to enter across this barrier, often against concentration gradients.
這必須能選擇性地讓某些分子或離子(常常是逆著濃度梯度)通過這個屏障。In the zinc deficient cumulic cinnamon soil of northern china often encountered by dry climate, although the storing water in lower soil depth could not promote early maize plant to take up more zn from soils, our research gave a clear point that soil water in upper soil layer was important to enhance the influence of zn application in topsoil on early maize growth
表層土壤水分對苗期玉米植株鋅吸收總量有顯著影響,乾旱條件下,玉米植株鋅吸收總量下降;底層土壤水分供應狀況對玉米鋅濃度影響不大,但植株中鋅向地上部運轉增加。分享友人