chemical characteristic 中文意思是什麼

chemical characteristic 解釋
化學特性
  • chemical : adj 化學的，化學作用的；應用化學的，用化學方法獲得的。n 〈常 pl 〉化學製品；藥品。 fine chemicals...
  • characteristic : adj 有特性的；表示…特性的，…特有的。 Japan s characteristic art 日本特有的藝術。n 特性，特徵，性...
  1. They are jinfo mountain in nanchuan county ( natural protection section ), wuling mountain in qianjiang county ( national emphases forest demonstration county which forest cover rate is beyond 50 % ) and zhongliang mountain in beibei county ( artificial destruction is very grave ). some main land use patterns i. e. woodland, garden, infield, abandon infield, shrub and grassplot are selected in those three sample sites. four aspects on soil fertility index of karst environment under different land use patterns in these three sample sites, are revealed in this paper, by using the field test, indoor measure and analysis, outdoor experiment and field investigation, and the knowledge and technique of soil, ecology, physics and chemistry etc. they are physical characteristic ( effective soil thickness, organic layer thickness, soil texture, water - stable aggregate and soil water etc. ), chemical fertility ( organism, omni - n, omni - p, omni - k, alkali - nitrogen, available p, available k and rapid available k etc. ), soil animalcule ( bacteria, fungi, actinomyces and their grosses ) and soil - seed - pool ( plant community diversity index ) in karst ecosystem

    本研究以重慶市的南川金佛山（自然保護區） 、黔江武陵山（國家重點退耕還林示範縣，森林覆蓋率50以上）和北碚中梁山（遭人為破壞嚴重）典型巖溶區為對象，選擇了幾種重要的利用方式，包括林地、果園、耕地、棄耕地和灌草坡，採用野外巖溶生態調查和室內試驗測量分析相結合的方法，以不同土地利用方式巖溶土壤肥力為重點，對不同土地利用方式土壤肥力特徵進行量化分析，找出巖溶土壤肥力差異的主要方面及其根本原因，論文主要從土壤剖面物理退化指標（有效土層厚度、有機質層厚度、質地、團聚體、水分含量等） ，化學肥力退化指標（有機質、全n 、全p 、全k 、堿解n 、速效p和速效k等） ，樣地土壤微生物指標（細菌、真菌、放線菌數量及總量）以及樣地土壤種子庫植物群落多樣性等4個方面對重慶典型巖溶區的土壤肥力特徵進行了較為詳細的分析研究，為巖溶地區士壤資源的合理利用及結構的調控管理提供依據。
  2. To identify gynostemma pentaphyllum and its adulterant hemsleya chinesis, the exterior appearance, micro - structural and chemical characteristic were compared, and identifying characteristics were pointed out

    對葫蘆科絞股藍屬的絞股藍與其易混淆品雪膽屬的雪膽進行了外部形態、顯微結構和理化特性比較，指出兩者可供鑒別的特徵。
  3. Our previous studies showed existence of apoplast cam in the plant cell and cam had many extracellular functions. so it supposed cam may be one of important extracellular polypeptides and trigger the intracellular signal transduction by binding the receptor. in this study, radiolabelled ligand is used to investigate the binding characteristic of cam and a. thaliana protoplasts. and chemical crosslinking is employed to explore binding proteins in the membrane. at first, ( 35 ) ~ s - cam was produced using ( 35 ) ~ s - labeled amino acid mixture in e. coli. sds - page and autoradiograph indicated high - purified, high - specific radioactivity ( 35 ) ~ s - cam was obtained. electrophoresis of ( 35 ) ~ s - cam is the same as that of unlabeled cam with ca ~ ( 2 + ) or egta ; a quatitive of protoplasts was prepared by enzymolysis

    首先，用~ （ 35 ） s標記的氨基酸混合物喂養工程菌成功地制備了~ （ 35 ） s標記的擬南芥鈣調素（ ~ （ 35 ） s - cam ） ， ~ （ 35 ） s - cam純度高、放射活度高、 ca ~ （ 2 + ）與egta存在時的電泳行為與未標記cam相同，可作為一種高靈敏性的探針用於進行受體學分析實驗；用擬南芥種子誘導愈傷，通過酶解制備了大量原生質體。
  4. ( 7 ) rainfalls can " deposit " the co2 in air, making it to take part in the process of karst, to dissolve and corrade carbonate rock. co2 concentration in soil become lower after heavy rainfall and become higher after general rainfall. ( 8 ) the value of chemical characteristic of soil water in the high elevation area is lower than that in the low elevation area

    （ 7 ）降雨可以對coz產生影響， 「沉澱」大氣中的co : ，使其參與到巖溶作用中，溶蝕碳酸鹽巖;降雨對土壤空氣中coz的影響與雨強、雨量有關，降雨量、雨強較大時，土壤空氣中的c02產生受到抑制，降雨量和雨強較小時，土壤空氣中的coz濃度升高。
  5. Pharmacogonostial characteristic and physical and chemical identification of folium syringae

    丁香葉生藥學特性及理化鑒別
  6. The qitaihe coal resources isadvantageous, the coal field total area 8, 000 square kilometers, haveverified the geological reserve 1. 7 billion tons, the prospectivereserves 4. 2 billion tons, the coal plant completely, has the cokingcoal, 1 / 3 coking coal, the gas coal, the anthracite and so on 10varieties, by coking coal primarily ; excellent in quality, has theespecially low phosphorus, especially low characteristic and so onsulfur, high heat value, high ash melting point, high silicon content, most is suitable for the coal chemical industry product thedevelopment, is national one of three big protections mining rare coalfields, is the heilongjiang province most important anthraciteproduction base, also is the national important coking coal and thenortheast area biggest high quality coke production base

    七臺河煤炭資源得天獨厚，煤田總面積8000平方公里，已探明地質儲量17億噸，遠景儲量42億噸，煤種齊全，有主焦煤、 1 / 3焦煤、氣煤、無煙煤等10個品種，以主焦煤為主；品質優良，具有特低磷、特低硫、高發熱值、高灰熔點、高硅含量等特點，最適于煤化工產品的開發，是全國三大保護性開采稀有煤田之一，是黑龍江省最重要的無煙煤生產基地，也是國家重要的主焦煤和東北地區最大的優質焦炭生產基地。
  7. Based on analysis of geologic foundation record about pingzhuang basin, a lot of sino - foreign geothermal geology record and investigation of field geology, measuring of ground temperature in person and geo - chemical analysis of ascension spring, gushing water of fault, the fact that the anomaly of geothermal gradient of pingzhuang basin, which is in region of low geothermal gradient, is caused by redistribution of conduction - oriented geothermal heat flow which is result from upheaval and depression of basin foundation bed is pointed out. after the field of ground temperature is simulated under the background of conduction - oriented geothermal heat flow by means of ansys, the characteristic of ground temperature distribution of top surface of basin foundation bed ( yixian team ) is revealed. the sound condition of transmissibility fault and feeding water source, which are imperative in formation of the low - medium temperature geothermal system of convective type, is possessed in pingzhuang basin

    通過對平莊盆地基礎地質資料、國內外大量地熱地質資料的分析和野外地質調查、礦井實測地溫以及上升泉、斷層涌水的地球化學分析等工作基礎上，指出地處低地溫梯度背景區的平莊盆地地溫梯度異常是由於盆地基底隆起和坳陷引起傳導型大地熱流再分配所致；運用州sys數值模擬了大地熱流向地表傳導背景下的盆地地溫場，從而揭示了盆地基底（義縣組）頂界面地溫分佈特徵；闡明了盆地具有形成中低溫對流型地熱系統所必需的導水斷裂、補給水源等的良好條件，中低溫對流型地熱系統是地熱勘查的主要對象；圈定了平莊盆地北部朝陽溝?駱駝營子地熱勘查遠景區。
  8. Through indoor routine tests, the physical and mechanical natures of intact and remolding soil of muck and mucky soil, in fuzhou, are analyzed in this thesis. the results reveal that water content, void ratio, shear strength of remolding soil samples are lower than those of intact samples. then qualitative analysis on the mineral composition, chemical composition and microstructure characteristic and types of the soft clay is given

    本文通過室內常規試驗對福州地區淤泥及淤泥質粘土的原狀土樣和擾動土樣的物理力學性質進行了分析，觀察土樣受擾動后一些物理力學指標的變化情況，發現擾動軟粘土樣的含水量、孔隙比、抗剪強度指標均比原狀土樣低；並從軟粘土的礦物成份、化學成份以及微觀結構特徵和類型上定性地分析。
  9. This paper firstly reviews two different kinds of terrestrial erosion ( the mechanical and chemical weathering mechanisms ), discusses their respective roles in providing carbon to the river, and compares the differences between the monsoon and non - monsoon drainage basins in flux and the characteristic of the riverine carbon transport

    首先就機械和化學風化兩種不同的陸地侵蝕機制在提供河流碳源方面所發揮的不同作用作了詳細論述，並比較了季風流域和非季風流域間河流碳輸移在通量及性質上的差異。
  10. This paper aimed at present status that most researches assembled in chemical products, adopted different determine methods, represented the transformation characteristic of nitrogen among water and soil of the sulphureous urea, confirmed the nutrient release speed, found out the optimum determine method in agricultural production application

    針對目前對緩釋肥料釋放特性的研究集中在化工製作領域這一現狀，採用不同的測定方法，闡明含硫尿素中的養分氮在水及土壤中的轉化特點，確定養分的釋放速率，以求找出適合農業生產應用的方法。
  11. Perovskite - type complex oxides of la1 - xsrxga1 - ymgyo3 compositions are characteristic of superior intermediate temperature oxide - ion conductivity and chemical stability, which are expected to be used in solid oxide fuel cells, sensors, electrocatalysis, membrane separators and membrane reactors. they have highly promising prospects in energy, metallurgy, chemical engineering and environmental protection, etc. in this dissertation, improved embeded sintering method has been employed to prepare la0. 8sr0. 2ga1 - ymgyo3 ( lsgm ) electrolyte, and the contributing factors to preparation, microstructure characteristics, conduction properties and thermology properties of lsgm electrolyte have been investigated

    鈣鈦礦結構la _ （ 1 - x ） sr _ xga _ （ 1 - y ） mg _ yo _ 3復合氧化物具有優異的中溫離子導電特性和化學穩定性，作為固體電解質可用於固體氧化物燃料電池、傳感器、電催化、膜分離和膜反應器等，在能源、冶金、化工、環保等領域具有廣泛的應用前景。
  12. This research deeply reflects the students in senior one whose chemical self - efficiency sense current situation and attribution inclination in chemical study, the characteristic and specific situation formation ( the background, precondition ), to carry on students " attribution training during chemical teaching in view of the above ; combining group coach with specific training, facing all students and choose the typical individual to track at the same tune, and to accumulate cases ; giving full play to students " conscious activity through writing diary by reflective thinking or brief summary on learning and setting up chemistry learning file, etc to strengthen one " s own consciousness, learn to regulate oneself ; to evaluate the effect of attribution training, that is, chemistry - learning efficiency, the author actively try combining subjective evaluation with objective evaluation, teachers " evaluation with students " own

    本研究較深入地了解到高一學生對化學學習的自我效能感現狀，高一學生在化學學習中的歸因傾向、特點及其形成的特定情境（背景、前提條件） ，並據此在化學學科教學中對學生進行心理歸因訓練;採用團體輔導與個別訓練相結合，面向全體學生同時選擇典型個體進行追蹤，積累案例材料;充分發揮學生主體的主觀能動性，通過寫反思日記或學習小結、建立化學學習檔案等方法，強化自我反思意識，學會自我調節:積極嘗試主觀評價與客觀評價、教師評價與學生自我評價相結合的方式，對歸因訓練效果即化學學習效能進行了評價。
  13. Because of novel physical and chemical characteristics, carbon nanotubes are widely used as new sensing materials or modified materials. this paper mainly introduced the characteristic study of biosensors and gas sensors modified by carbon nanotubes. with large aspect ratio, carbon nanotubes have excellent biocatalysis

    納米碳管具有新穎的物理化學特性，為傳感器提供了新敏感或修飾材料，將其用於生物酶傳感器和氣敏傳感器，能夠使傳感器具有更好的敏感性。
  14. The characteristic of chemical grouting material should combind with construstion method directed by the theories, it is necessity guarantee for the good result in some special cases. by cw series material, various complicated engineerings have been successfully handled, such as the treatment of concrete fine cracks in three gorges project ( tgp ), foundation reinforcement to the fault in in three gorges project ( tgp ), and the seepage control and reinforcement for the dam base of jiangya hydropower - station. these illustrations are provided to proof the advantages of modified epoxy resin and its technique

    化灌材料特性與理論指導下的灌漿工藝的全面結合是化灌處理，特別是特殊條件下灌漿效果的必要保證， cw系改性環氧化灌漿材及技術對多種復雜工況工程處理對象成功處理，解決了三峽混凝土微細滲水裂縫防滲補強、三峽工程地質斷層泥化夾層加固以及江埡電站壩基溶蝕帶防滲等一系列工程技術難題，印證了該材料及技術的先進性。
  15. According to the literature in the world, now the research of lab6 is not mostly concentrated in field emission but hot emission. preparation of lab6 field emitting cold cathode is correlative with it ’ s physical and chemical characteristic. now, there are little literature that can be used for reference

    人們已經對六硼化鑭材料的性能做了大量研究工作，但據目前所見到的國內外文獻所知，對六硼化鑭陰極的研究多集中在它的熱發射方面，對于以此種材料場發射冷陰極方面的研究較少。
  16. As the agricultural nfs is the most important factor for water environmental deterioration and lake eutrophication in china, more and more scientists and technologists focus on the control countermeasurc and pollution mechanism of agricultural non - point source ( nfs ). based on the investigation of natural resource and agricultural distribution, the loss rule of nitrogen and phosphorus in the typical land of qiandao lake watershed and distribution rule of the phytoplankton and physico - chemical characteristic in the lake were studied, and the input loading of nitrogen and phosphorus was also calculated by the annagnps model in this thesis. according to the routine monitoring data of the water environment in qiandao lake from 1989 to 2001, the concentrations of toxic substance and heavy metal were under the monitoring limit, but the total nitrogen ( tn ) and total phosphorus ( tp ) were much higher than the criterion for lake and reservoir

    本文調查了千島湖流域的自然資源和農業生產情況，研究了典型坡地降雨徑流中的氮、磷污染物的輸出規律，利用annagnps模型估算流域農業非點源污染物輸入負荷，並在千島湖內設點采樣，對水質理化指標和浮游植物群落進行系統的研究，得出以下結論： 1989 2001年間的水環境常規監測資料統計分析表明，有毒物質和重金屬濃度長期在監測下限內， no _ 2 - n 、 no _ 3 - n 、 nh _ 3 - n年平均濃度均符合類標準，但湖泊水庫特定項目tn和tp濃度分別為超類和類，呈嚴重超標狀況，湖區主要污染因子是將導致富營養化的物質tn和tp 。
  17. Based on analysis of magnetic effect mechanism of alluvial cohesive soil, according to the distribution and character of river alluvial cohesive soil of first and second terrace of yongjiang river of nanning, pore water chemical characteristic, especially total iron content in pore water and holding form of iron ion in pore water, this text preliminarily divides the river alluvial cohesive soil of first and second terrace of yongjiang river of nanning into two magnetic effect region : reinforced region and weaker region of magnetic effect

    摘要在分析粘性土磁效應機理的基礎上，根據? 、級階地河流沖積相粘性土的分佈及其特性和孔隙水化學特性，尤其是孔隙水中的總鐵含量以及鐵離子的賦存形式，將南寧市邕江? 、級階地河流沖積相粘性土初步劃分為磁效應強化區、磁效應較弱區兩個磁效應區。
  18. Physical and chemical characteristic : colorless transparent liquid, especial smell. easy dissolve in alcohol, ether, acetone, etc. not dissolve in water

    本品為無色至淡黃色油狀透明液體，具有特殊的氣味。不溶於水，易溶於醇、醚、丙酮等有機溶劑。
  19. The action of any anesthetics within the body is due to two factors : its physical property of solubility in fats and water and its chemical characteristic of combining with nerve tissue

    任何麻醉劑在體內的作用都取決于兩個因素：一是物理因素，即其在油脂和水中的溶解度；二是化學因素，即其與神經組織結合的能力。
  20. During the research of emission performance for engine, calculating models for physics and chemical characteristic parameters of exhaust gas are set up

    在汽車發動機排氣性質研究中，建立了汽車發動機排氣物理化學性能參數計算模型。
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