堿土類 的英文怎麼說

中文拼音 [jiǎnlèi]
堿土類 英文
alkali earths
  • : 名詞1. (含氫氧根的化合物的統稱) alkali2. (碳酸鈉) soda
  • : Ⅰ名1 (許多相似或相同的事物的綜合; 種類) class; category; kind; type 2 (姓氏) a surname Ⅱ動詞...
  1. Through the analysis on the discrepancy between the indexes of land use and landscape structure of both the periods, the change of the eco - environment caused by the causations of both the nature and the human activities is pointed out that the total area of the studying region is somewhat reduced ; the alkali - saline land therein is utilized for fishery breeding ; a part of the unused land and water area are basified ; the sorts of landscape are rich and uniform and serious fragmentations are locally occurred

    通過分析兩期地利用及景觀結構指數之間的差異性,指出由自然和人為原因引起的生態環境的變化:研究區總面積有所減少,鹽地改良後用于了魚蝦養殖,部分未利用地和水域鹽化,區域景觀型豐富且均勻,局部破碎嚴重。
  2. Yh series inorganic gel can be used alone. or mix use with thickening agent such as cardoxymethyl cellulose, hydroxy ethyl cellulose, cmhpc, will acquire best rheological property. it has been found that this kind of product should avoid mix using with the polyurethane thickening agent

    2 . yh系列水性膨潤無機凝膠產品可單獨使用或於其它增稠劑如羧甲基纖維素,羧乙基纖維素,甲基纖維素及其改性物,溶漲丙烯酸等配合使用,能夠使體協獲得最佳流變性能。
  3. Taiping maifan mineral contacts with migmatitic granite and grandiosity, the mother rock is granite which include a lot of potassium elements and the major mineral of maifan stone is plagiocase, k - feldspar, minor mineral is biotite, muscovite, quartz and so on.,

    麥飯石的主要礦物為斜長石、鉀長石,次生礦物為黑雲母、白雲母、石英等,巖石化學型屬鈣系列,主要微量元素和稀元素均與中華麥飯石相近。
  4. The light - storing fiber was produced from fluorescent masterbatch which was composed by basic silicate or alumina with thulium

    摘要蓄光纖維是通過用堿土類硅酸鹽熒光粉體或氧化鋁加稀元素組成的發光粉體,製成一定濃度母粒切片,用母粒來紡絲。
  5. The development of solvent extraction separation of alkaline earth elements was reviewed, according to the classification of extractants

    摘要本文就金屬離子萃取分離的進展情況,按萃取劑的分進行了綜述。
  6. In manganite perovskites, substitution of divalent ions ( alkaline earth metals viz. ca, sr, ba ) in the a sublattice, introduces mn4 + ions or holes into the system. it is generally considered that the concentration of holes is equal to the concentration of divalent cations because of the charge compensation by controlled valencies

    鈣鈦礦型晶體結構中通過摻入二價金屬(如ca , sr , ba )可以在系統中產生mn ~ ( 4 + )或氧空位,由價格補償的原理,理論上摻入的二價離子的濃度和氧空位的濃度相等。
  7. Analysis on the buffer action of three kinds of different soils from two soil types of the north of henan, showed that the order of buffer action acid and alkali of three kinds of different soils was as following : chao soil with high fertility > lime drab soil > chao soil

    摘要對豫北地區的2個3種不同壤的緩沖性能進行分析研究,結果表明:供試壤對酸、的緩沖性強弱依次為高肥潮
  8. Ca, sr, ba ) in the a sublattice, introduces mn4 + ions or holes into the system. it is generally considered that the concentration of holes is equal to the concentration of divalent cations because of the charge compensation by controlled valencies. a number of publications exist in the literature on the synthesis of manganite perovskites

    鈣鈦礦型晶體結構中通過摻入二價金屬(如ca , sr , ba )可以在系統中產生mn ~ ( 4 + )或氧空位,由價位補償的原理,理論上摻入的二價離子的濃度和氧空位的濃度相等。
  9. The factors causing soil salinization include natural factors such as climate, hydrological and geological conditions, and human - made factors, such as irrigation patterns and cultivating system

    鹽漬化型主要為典型鹽、沼澤鹽化鹽和乾旱鹽
  10. Now the air is polluted ; the earth is poisoned ; water is unsafe to drink and rubbish is burying the civilization that man owns

    現在空氣被污染了,地鹽化了,人們不能安全飲水,垃圾埋藏了人文明。
  11. ( 1 ) for the first time, compositing the chemical compounds of alkaline - earth metal with the adsorption material, 13x molecular sieve, silica gel, and activated alumina to gain a series of composite adsorbents with good performance that higher adsorption capacity and lower regeneration temperature and suitable for adsorption refrigeration systems that can be driven by low - grade thermal energy

    首次將金屬化合物及其鹽與傳統吸附材料13x分子篩、硅膠和活性氧化鋁等復合,制取具有較高吸附量和較低再生溫度的適合於以低溫熱能驅動的吸附製冷過程的一系列優良復合吸附劑。分別在自製的吸附製冷、除濕製冷模擬實驗裝置上,測得該系列復合吸附劑與水和乙醇組成的吸附製冷工質對的吸附製冷性能以及除濕製冷性能均優于傳統吸附劑( 13x ,硅膠和活性炭) 。
  12. There is a close relation between mesozoic tectonic evolution, fluid evolution, petrogenesis and mineralization in the manzhouli - e ' erguna region in the northeast of the northern orogenic belt, china, and three evolution stages of the mesozoic tectonic - fluid - petrogenetic and metallogenetic system are proposed out : 1 ) acompanied by ree and cu mineralization, the calc - alkaline volcanic rocks and mantle - crust mixed type granite occurred under the regional tension tectonic background caused by the mongolia - okhotsk residual ocean that was closing in scissors form in the early - middle jurassic. 2 ) acompanied by pb, zn and ag mineralization, the calc - alkaline and alkaline volcanic rocks occurred under the regional shear - compression tectonic background in the late jurassic. 3 ) acompanied by u, f, pb, zn and ag mineralization, the caic - alkaline and alkaline volcanic rocks occurred under the regional tension tectonic background in the early cretaceous

    摘要本文討論了北方造山帶東北段滿洲里額爾古納地區及其毗鄰區中生代構造流體成巖成礦系統及其演化的三個不同階段: 1 )早中侏羅世張性「似裂谷環境」下所形成的中基性性火山巖、同熔性花崗巖及深源流體活動形成的稀礦床和斑巖性銅鋁礦床; 2 )晚侏羅世擠壓剪切環境下所形成的酸性火山巖、斑巖及深源流體活動所形成的鉛鋅銀礦床; 3 )早白堊世張性環境下所形成的基性性火山巖及深源流體活動所形成的鈾礦床、金銀礦床及螢石礦床。
  13. The soil phosphate activities were determined after 0, 10, 50, 60 days. the results show that alkaline phosphate activity was degressive, acidic phosphate activity changed inconsistently and neutral phosphate activity was ascending slowing. the analyse of the phosphate activity ' s absolute change also shows that the influence of soil algae on phosphate activity is not prominent

    結果表明,待測壤中的性磷酸酶活性全部是下降的,中性磷酸酶活性緩』陛上升,而酸性磷酸酶活性的變化沒有太大的規律性,但是總體上還是上升的、其磷酸酶活性絕對變化的方差分析也表明藻壤磷酸酶的影晌不顯著。
  14. The results indicated that as the intensity of sward cleavage increased, elymus nutans and other plants that had high requirements in soil aeration and resource space presented an increased competitive edge and the species that had low requirements in soil aeration and resource space presented an opposite picture ; low - intensity sward cleavage could help increase species diversity to a certain extent, but the diversity index appeared to decline as a whole as the cleavage intensity increased ; the effects of sward cleavage on functional groups of the vegetations showed in such manner as e. nutans - represented grasses increased in their composition with the intensity of sward cleavage raised, and sedges and forbs decreased in their compositions with the intensity of sward cleavage raised ; sward cleavage showed a significant improving effect on primary productivity of the meadows and was capable of increasing the proportion of quality - grass biomass to the total plant biomass ; sward cleavage could be independently employed as an effective measure to rehabilitate and improve alpine - meadow grasslands and thus played a basic and key role in the technical combination aiming at establishing hay fields characterized by e. nutans

    結果表明:垂穗披草等對壤通透性和資源空間要求較高的物種,競爭力隨劃破強度的增加而上升,而對壤通透性和資源空間要求相對較低的物種則相反;輕度劃破干擾對提高物種豐富度具有一定的促進作用,但多樣性指數則總體上表現為隨劃破強度的增加而呈下降的趨勢;劃破干擾對植被功能群的影響表現為以垂穗披草為代表的禾草組分隨干擾強度的增加而顯著上升,莎草和雜草組分隨干擾強度的增加而顯著下降;劃破干擾對草地初級生產力的提升具有顯著的促進作用,且可顯著增加植物總量中優質牧草的比重;劃破干擾可獨立作為高寒草甸草地恢復與改良的有效措施,在定向培育垂穗披草型割草場的技術組合中具有核心和基礎性的地位。
  15. Results showed that during hydrothermal degradation, the contents of hemicellulose and cellulose in lawn - grass and weeds decreased while the content of lignin increased due to derivation and condensation

    結果表明,在濕解過程中草坪草和雜草中半纖維素、纖維素的相對含量呈減少趨勢;木質素物質經過衍生和小分子縮合后,其相對含量呈增加趨勢;濕解最終產物呈弱酸性,可以用來改良壤。
  16. The altitude variation of the distribution of the different malus species in china reaches nearly 4000 meters, and they grow on various types of soil, even on desert, alkaline soil and on overhanging rocks and steep cliffs

    在我國,蘋果屬植物不同種分佈的生境差異極大,生長的海拔范圍差異近4000米,能生長在各種不同型的壤上,甚至沙漠、鹽地到懸崖峭壁上都能生長。
  17. Two kinds of schiff base complexes involving rare earths and their antioxidative action

    兩種型西佛的稀配合物及其抗氧化作用
  18. The decrease of organic matter and the increase of alkali - hydrolyzable nitrogen of the hydrogen treatment were higher than the control, and urease activity, nitrogen fixation arnmonification had the same tendency, and amino acids had also changed. hi addition, comparing the control, ph of hydrogen treatment was increase and eh was decrease, and microbe mass was also too

    與對照相比,氫處理培養有機質減少量小、解氮的增量高,脲酶活性、固氮能力、氨化作用都較強,並且不同種的氨基酸也表現出各自相應的差異來。此外,壤經氫處理后,壤的ph上升, eh下降,壤微生物生物量也呈減少趨勢。
  19. The results are mainly as follows : sticky quality, tuber structure, the loose and tense degree, unit weight, ph value ( decreases in the few conditons that resulting acidity strengthening ), alkalinity increases in the same soil level, root quantity and macro - element content decreases ; there has a extraordinary difference between k, ca and mg, especially for pb and cd which shows that the collecting function of soil enhances under the disturbence conditon, and other micro - elements, such as zn > mn, cu, ni get decreasing. tourism activity is one of the key reasons for water body pollution. to different recreation types, the pollution degree has the obvious difference

    各景觀區所取樣點中,壤理化性旅遊破壞區所受影響最大,呈現出質地粘重、結構變差(以塊狀為主) 、同一層次壤松緊度增大、根系變少、容重增大、壤ph值增大(也有個別ph減少,以致酸性增強) 、性增強、大量元素降低,其中對k 、 ca 、 mg影響中有顯著性的差異(又以游道影響最為顯著) 、重金屬元素( pb和cd )明顯增多、顯著性的差異最為明顯,其它微量元素( zn 、 mn 、 cu 、 ni )逐漸減少,表明旅遊活動干擾後壤對pb和cd富集作用增強等特點。
  20. With the development of agriculture and industry and the enlargement of man ' s activity, the demand of water supply has increased in the region over the past decades. in the backward areas along the heihe river, there are a lot of ecological environmental problems such as lake dried up, sustainable, lowering of ground water level, water pollution, soil salinization and desertification, degradation of natural oasis and grassland, as well as sand storm

    近幾十年來,由於工農業的發展和人活動的擴大,黑河流域中下游用水量的增加,黑河下游出現了嚴重的缺水現象,由此導致了一系列諸如河流湖泊乾枯、地下水水位持續下降、水質惡化、植被退化、壤鹽化、地風蝕化等環境問題。包氣帶水分、鹽份的分佈和運移對地表植被生長有著重要的影響。
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