area concentration 中文意思是什麼

area concentration 解釋
地區集中
  • area : n. 1. 面積；平地；地面。2. 空地；〈英國〉地下室前的空地。3. 地區，地方；〈比喻〉區域；范圍。
  • concentration : n. 1. 集中。2. 【化學】提濃，蒸濃，濃縮；濃度；稠密度；【礦物】汰選，選礦，富化。3. 集中注意，專心。
  1. ( 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。
  2. The method of obtaining high concentration of na2feo4 solution by quick electrolysis mainly contains four aspects : adoption of either a diaphragm or an ionic membrane electrolytic cell in which a thin anodic cell lying between the two cathodes, ( 2 ) using an iron anode that has larger specific surface area, ( 3 ) keeping suitable concentration of naoh in the anodic cell, adoption of lower current density and higher electrolyzing speed. the practical technique parameters follow a s below : the naoh solution of 14 - 16mol / l, the temperature of 303 - 308k, the surface anodic current density of 300a / m2, the unit electrolyzing speed of efficiency larger than 6. 0a / l

    快速電解獲取高濃度na _ 2feo _ 4溶液的方法，主要包括四個方面：採用兩陰極室夾一厚度較小的陽極室的隔膜（或離子膜）電解槽；使用比表面積較大的鐵網陽極；保持陽極室中有適宜濃度的濃naoh溶液；採用較低的電流密度和較高的電解速度。具體工藝參數是： 14 16mol / lnaoh溶液、溫度303 308k 、表觀陽極電流密度300a m ~ 2 、有效單位電解速度6 . 0a / l 。
  3. A lavish concentration of emollient ingredients that provides the skin in the vulnerable eye area with precious moisture, relieving dry symptoms

    集中提供珍貴的保濕成分，舒緩眼部脆弱敏感的肌膚，解除乾燥癥狀。
  4. Through optimizing the liquid uv - curable composition ( kind of oligomer, concentration of active diluent, photoinitiator and additive ), we have got a kind of better ingredient, as follows : pua 100 % and additive ( tf, ab and nanometer additive mnip0220 ) 100 %. ( 4 ) compares hs - spme ( made of above ingredient ) with routine hs method under the identic measuring condition. take pepper for example, the area of responsing peak of main component is 62052680 in hs - spme and 38263 in hs ( 10u1 ), a enrichment multiple of 1622, which is proved that this spme coating has a better enrichment ability

    （ 4 ）用自製spme裝置的hs一spme和常規hs方法進行了比較，在同樣測定條件下，用自製的spme裝置對胡椒進行hs一spme一gc一ms與常規hs方法進樣10拼1進行比較，自製的spme裝置對某組分的響應峰面積為62052680 ，而進樣10pl對其組分的響應峰面積為38263 ，富集倍數為1622倍，說明自製spme裝置具有很強的富集能力。
  5. Abstract : according to the observation of the number concentration spectrum and the mass concentration of atmospheric aerosol, tsp and its particle size distribution, micrometeorology, and the solar spectroscopic radiation, even the neutron activation treatment of sand dust samples in helan mountainous area, the formation law of sandstrom, dust and sand blowing weather and the characteristics of climatic variation in this area and the influence of helan mountain are counted and analysed

    文摘:利用賀蘭山地區沙塵暴歷史資料和綜合觀測資料，對大氣背景、浮塵、揚沙和沙塵暴發生期間的大氣氣溶膠數濃度譜、質量譜、大氣總懸浮顆粒（ tsp ）及粒徑分佈、微氣象、分光日射觀測以及沙塵樣品進行中子活化處理，分析了該地區浮塵、揚沙和沙塵暴形成規律，氣候變化特徵和賀蘭山的影響。
  6. According to the observation of the number concentration spectrum and the mass concentration of atmospheric aerosol, tsp and its particle size distribution, micrometeorology, and the solar spectroscopic radiation, even the neutron activation treatment of sand dust samples in helan mountainous area, the formation law of sandstrom, dust and sand blowing weather and the characteristics of climatic variation in this area and the influence of helan mountain are counted and analysed

    利用賀蘭山地區沙塵暴歷史資料和綜合觀測資料，對大氣背景、浮塵、揚沙和沙塵暴發生期間的大氣氣溶膠數濃度譜、質量譜、大氣總懸浮顆粒（ tsp ）及粒徑分佈、微氣象、分光日射觀測以及沙塵樣品進行中子活化處理，分析了該地區浮塵、揚沙和沙塵暴形成規律，氣候變化特徵和賀蘭山的影響。
  7. Area was the best inorganic nitrogen source which should maintain at high concentration at earlier part of fermentation because of saccharomycete ' s feature

    尿素是最佳的無機氮源，由於酵母細胞對氮源吸收利用特點，在發酵初期氮源需要保持較高水平。
  8. New investment invitation projects for five main concentration area of jiangdong district

    江東區服務業集聚區最新商業地產招商項目介紹
  9. On the structural deformation and metallogenesis in xiaoshuiilng gold multimetallic concentration area

    小水井金多金屬礦集區構造變形及成礦作用
  10. The setup and the choice of concentration area in warehouse ensure convenient check and faster loading

    倉庫集貨區的設選，便於復核，加快裝車速度。
  11. Geochemical characteristics of the yanshanian intermediate - acid intrusive rocks in the tongling mineralization concentration area, anhui province, and their geological implications

    銅陵礦集區燕山期中酸性侵入巖地球化學特徵及其地質意義
  12. The fatigue fracture occurred in the root of the screw where defects such as decarburization and cracks existed, and these defects made the zone to be a stress concentration area and caused the bolts to break finally

    疲勞裂紋的形成是由於螺紋牙底存在脫碳和折疊裂紋等缺陷，這些缺陷的存在使該材料產生了較大的應力集中，從而導致螺栓開裂失效。
  13. A study of regional geochemical characteristics of four main genetic types of copper deposits in west qinling mountain area shows that there exist very few concentration areas of copper or other elements in 72 copper deposits or occurrences

    摘要對西秦嶺地區4種主要成因類型銅礦的區域地球化學研究證明，在72個銅礦床或礦（化）點上很少顯示銅或其他元素的濃集區。
  14. Shipment traffic usually is heavy in littoral area, the navigation capability is required in many riverway. navigation lock was set to suit for the water level ' s variety caused by tide. for a long period, being lack of the quantified assessment on the influence of saltwater intrusion, approaches that freshwater is inpoured to the lock chamber are adopted lest the high concentration salt water be imported to the inland waterway, when the navigation lock is in operation. but such manner should not be reasonale enough

    沿海地區船運發達，很多河道有通航要求，為克服潮汐造成的水位變化而設置船閘。長期以來，由於缺乏對鹽水入侵內河河道產生影響的定量評估，在船閘運行過程中為防止高鹽度鹹水入侵內河，通常採用將內河淡水打入閘室的方式來調節通航水位，船閘的這種運行方式不盡合理。
  15. The research results show that compared with the uniform inlet velocity profile, the exponential inlet velocity profile has more advantages to get lower contaminant concentration, to prevent patient and operating apparatus in the operating area from infection by airborne disease germs and to reduce the airflow rate needed for pollutant concentration control

    研究表明，與通常採用的均勻風速的送風口相比，變化風速的送風口對于降低手術室工作細菌濃度，防止病人手術切口及手術器械等回風氣流攜帶的浮遊細菌再次感染，以及減少手術室的送風量等方面具有明顯的優點。
  16. Influencing factors of serum uric acid and the critical concentration of serum uric acid to prevent and treat metabolic syndrome in female inhabitants from coastal area of shandong province

    山東沿海女性居民血尿酸影響因素及與代謝綜合征防治切點的研究
  17. The critical concentration and critical particle surface area in constant rate section is studied. the floc density pa and the floc equivalent diameter da are calculated on the basis of experimental data and theoretic analysis

    研究了等速段的臨界濃度、臨界顆粒表面積；分析計算了絮團密度_ 、泥沙絮團當量直徑d _ 。
  18. It has been proven that the differences of magnitude and distribution of tidal currents, wave energy rate, suspended sediment concentration and the stokes number result in a asymmetrical distribution of sandbanks between the north and south. the sandbank surface area and length in the north are lager than those in the south, but its cross section area is less than that in the north

    各種動力特徵平面分佈規律研究表明，輻射沙脊群南北沙脊不對稱分佈的格局是潮流沙脊對潮流往復流性質的強弱分佈、潮波能流率大小分佈、含沙量的平面分佈規律及斯托克斯數的大小分佈的動力響應。
  19. The spiral sheet metal carry the lotus test to be apply in the bearing power test of the deep foundation soil and water table following foundation soil extensively because the ability goes into the surface of earth is following the certain depth area curve carry on test, according to the element that the spiral sheet metal carries the lotus test, through contrast with plate load test, the spiral sheet metal carries the lotus test to be applicable to the shallow storey foundation soil equally, the size of the spiral sheet metal time area concentration diagram is not big to the test result influence, the spiral sheet metal carries the bearing power of the lotus test assurance to no longer carry on the depth area curve redress

    摘要螺旋板載荷試驗因能旋入地面以下一定深度進行試驗而廣泛應用於深層地基土及地下水位以下地基土的承載力測試，根據螺旋板載荷試驗的原理，經與平板載荷試驗對比，螺旋板載荷試驗同樣適用於淺層地基土，螺旋板面積的大小對試驗成果影響不大，螺旋板載荷試驗確定的承載力不再進行深度修正。
  20. Describe the local, regional, national or global condition of the environment as a result of your department bureau s contribution i. e. environmental condition indicators, e. g. area rehabilitated in a defined local area, concentration of a specific contaminant in a water body

    說明部門政策局對本地地區全國或國際環境所作的貢獻即環境情況參數，例如區內個別指定范圍內修復的地方水域內個別污染物的濃度
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