natural sand 中文意思是什麼

natural sand 解釋
天然砂
  • natural : adj 1 自然界的;關于自然界的。2 天然的;未開墾的;野生的。3 固有的 生來的 天賦的(opp acquired)...
  • sand : n 1 沙。2 〈 pl 〉 沙灘,沙洲,沙地,沙漠。3 〈 pl 〉 沙粒;(計時用的沙漏中的)細沙。4 光陰,時...
  1. The coastal area of belize is an outstanding natural system consisting of the largest barrier reef in the northern hemisphere, offshore atolls, several hundred sand cays, mangrove forests, coastal lagoons and estuaries

    貝里斯的海岸是北半球最大的堤礁自然生態系統,它由近海環礁、幾百個沙洲、美洲紅樹林、沿海瀉湖、港灣等組成。
  2. Abstract : by means of natural, coagulative and sand peak coagulative settling test, the flowing water test of high, sub, and low turbidity water containing most of coarse silt have been research. some results are concluded

    文摘:通過自然沉澱、混凝和沙峰型混凝沉澱試驗,對以"粗」組分泥沙為主的高濁度水和低濁度水進行了動水試驗研究,取得一些成果
  3. Deferrizers and demaganizers are series of products designed by our company for underground water with comparatively high iron and managanese content according to aerating oxidation priciple. in these prducts, packed natural manganese sand in filter is applied as filtering materials, and oxygen in air is applied as oxidants, to make ferrous iron in water oxidized into ferric iron, in a same time, oxidation reaction makes its produced its produced substances left in filtering materials for purposes of deferrization and deman - ganization

    除鐵錳裝置是我公司針對鐵、錳較高的地下水,按曝氣氧化法的原理而設計的系列產品,它是利用過濾器內裝填城然錳砂為濾料,利用空氣中的氧化劑,使水中的二價鐵,同時發生氧化反應使其物進截留在濾料中,從而達到除,除錳的目的。
  4. 2. the structure of purple soil is meliorated by sabaigrass. when contrast to bare land treatment and natural wild grassland treatment we knew that sabaigrass treatment and grass tree solid plating treatment reduced soil bulk density, enhanced soil capillary porosity, non - capillary porosity and porosity ratio, decreased soil sand grain content, enhanced soil clay grain and silt grain content so as to reduced the dispersal degree of soil, improved the aggregate capacity of soil, increased the amount of soil aggregate structure, meliorated the water permeability of soil, accelerated the form of good soil structure

    龍須草能改善紫色土的土壤結構龍須草純種植被和林草立體種植植被能不同程度地降低土壤容重,減少土壤砂粒含量,增加土壤的毛管孔隙度、非毛管孔隙度和孔隙比,以及增加粉粒含量,從而降低土壤分散度,提高土壤團聚性,增加土壤團粒結構數量,改善土壤的透水性,促進良好土壤結構的形成,最終提高土壤的蓄水保肥性能,增強土壤的抗蝕性和抗沖性。
  5. Liaoning works from the natural system from the jade wear, hard, wear - resistant, with fat and wax - like luster, the clear bright color, without impurities, no sand heart, no crack ; cool, very full head

    作品由遼寧天然岫玉穿制而成,質地堅硬耐磨,具有脂肪和臘狀光澤,色澤鮮明光亮,無雜質、無沙心、無裂紋;冬暖夏涼,水頭極足!
  6. In this paper, on the basic theories foundation study of summary people of the past, aiming directly at whether the shelter forest can deposit the sand and how powerful it can. we select the oasis in ulan buh desert as the study plot, and study the function of the shelter forest reduce the " sand " and " dust ". we draw the following conclusion. first, in the fixed and semifixed sand lands, which grow the natural sand - binding plants, the coverage of plant in the fixed and semifixed sand land is 26. 4 % and 10. 3 %, respectively, the amount of sand drift decrease 93. 38 % and 81. 91 % comparing with the migratory sand land which have no plant coverage in the same wind speed and the range of 0 - 40cm above the ground

    本文以前人的研究為基礎針對「防護林體系是否有降解作用,有多大的降解作用」這一問題以烏蘭布和沙漠邊緣的防護林體系為研究對象,研究了防護林體系對「沙」 、 「塵」的降解作用,得出以下結論: ( 1 )在距離地表0 - 40cm范圍內,同一風速下生長有天然固沙植物,植被蓋度分別為26 . 4 、 10 . 3的固定、半固定沙地上,地表起沙量分別比無植被生長的流動沙地降低了93 . 38 、 81 . 91 。
  7. Shape characteristics of the natural aeolian sand ripples and their relations with the physical characteristics of surface sand

    自然風成沙紋的形態特徵及其與地表沙物理性狀的關系
  8. Analysis for the product hydration process of natural maintenance show tailings and quartz sand surface is advantage for the major influence of hydration outcome in jing pei generate " base role ", do not participate in chemical reaction basically, while steam temperature and pressure for hydration structure and form of low silicon - tailings aerocrete have obvious influence, it is why the compressive strength of two products have obvious difference

    對自然養護的製品水化過程分析的研究表明,尾礦和石英砂表面對於水化產物的主要影響是利於晶胚生成的「基底作用」 ,基本不參與化學反應,而蒸壓溫度和壓力對低硅尾礦加氣混凝土水化產物的結構、形態有著明顯的影響,導致兩種製品的抗壓強度有明顯差別。
  9. Highlights of the field museum of natural history include an ambitious walk - through exhibit that attempts to capture the scope of africa by taking visitors from bustling city streets to expansive saharan sand dunes ; a recreated multi - level egyptian burial chamber housing 23 mummies ; and a dinosaur hall filled with skeletons, some of which measure their age in the tens of millions of years

    參觀該博物館的重中之重是帶著遊客穿過喧鬧的「城市街道」來到「撒哈啦大沙漠的沙丘」之中,以便使遊客對非洲有一個直觀的了解還有復制的埃及多層墓穴,內藏二十三具木乃伊以及滿是骷髏架的恐館,其中許多骨架已有上千萬年的歷史了。
  10. According to the abundance well logging, mud logging and core analysis data, gaotaizi reservoir has been classified into four sand group with the principle of cycle comparison and classified control. based on the detailed study of lithologic character, sedimentary structure, paleontologic fossils, depositional sequence, rock association and logging data, the microfacies of the studied area are divided into such seven types : subaqueous distributary channel microfacies ; river mouth bar microfacies ; subaqueous interdistributary channel microfacies ; subaqueous crevasse channel microfacies ; subaqueous natural barrier microfacies ; distal bar microfacies ; delta front sheet sand microfacies. the characteristic of each sedimentary microfacies are described detailedly

    通過研究大量測井、錄井資料和巖芯資料,依據「旋迴對比,分級控制」的原則,把研究區高臺子油層劃分為g 、 g 、 g 、 g四個砂層組。通過對研究區巖性、沉積構造、古生物、沉積序列、巖石組合及測井曲線特徵進行研究的基礎上,認為研究區高臺子油層屬於三角洲前緣亞相沉積,並將研究區沉積微相劃分為:水下分流河道、河口壩、水下分流河道間、水下決口扇、水下天然堤、遠砂壩、席狀砂等七種微相類型。
  11. To this area precipitation materials for many years, evaporate materials, surface flow materials, hydrometeorological materials, hydrogeological materials carry on exhaustive analysis, have analysed the state of water resource of the sand district, proceed from the heat of the earth ' s surface is balanced, water yield balanced basic theories, combine the amount of regional water resource set up of the materials, such as scene, hydrology, soil of the sand district, etc. and estimate models, have calculated the surface water, groundwater of this area, has carried on models to examine according to the real data, and has predicted to the state of water resource under different climate change scenes of future that analyse. have put forward the scheme that the water resource in this area utilized rationally, use the non - linear motive force model to predict the precipitation, utilize the materials of actual observation, the natural supply amount of calculating out groundwater of sand ground of balanced principle of the amount of water used at the same time, and can exploiting amount predict to groundwater, district of sand,

    本文以寧夏半乾旱地區鹽池縣沙地水資源為研究對象,對該地區多年降水資料、蒸發資料、徑流資料、水文氣象資料、水文地質資料進行了詳盡的分析,分析了沙區的水資源狀況,從地表熱量平衡、水量平衡的基本理論出發,結合沙區的氣象、水文、土壤等資料建立了區域水資源量估算模型,計算了該地區的地表水、地下水,根據實際資料進行了模型檢驗,並對未來不同氣候變化情景下的水資源狀況進行了預測分析,提出了該地區水資源合理利用的方案,運用非線性動力模型對降水量進行預測,同時利用實際觀測資料,運用水量平衡原理計算出沙地地下水的天然補給量,並對沙區地下水可開采量進行預測。
  12. In the extended experiment we modulate the sand grain diameter and air humidity to contrast with the natural result, discuss the effect of diameter and humidity on sand incipience, propose some ideas and methods to control sand transportation and formulation of wind - blow - sand flow

    本文還拓展了實驗條件,通過調整沙粒粒徑配比和空氣濕度,完成了對比性實驗,並進一步探討了粒徑和濕度對沙粒起動的影響,提出了在沙漠工程中控制風沙流形成和沙粒輸運的思路和方法。
  13. The sand box model is a reduced scale representation of the natural porous medium domain.

    砂槽模型是將天然的多孔介質區域按比例縮小的模型。
  14. Regarding natural sand of the spot as model sand, using series model, and under the interaction of irregular wave and tidal current, a systematic test on scouring around pile of land - island approach bridge of jiangsu lng receiving station is carried out

    摘要以現場天然沙為試驗床質,利用系列模型,採用不規則波與潮流相結合的方式,對江蘇lng接卸站陸連島橋樁基周圍的沖刷情況,進行了系統試驗。
  15. Shanwei city has rich natural resources. in the districts under its jurisdiction, there are 17 species of 6 kinds of minerals, of which tin, granite, kaolin, pyrite, glass sand and mineral water are of high quality and quantity, worth exploration and use

    汕尾市有礦產資源6類17種,其中錫礦、硫鐵礦、花崗巖、石英沙、高嶺土及礦泉水等量多質優,具有良好的開發利用價值;沿海可供海水養殖的淺海灘塗面積3
  16. Physical stare : the manganese sand filter materials, in different content, are sieved and made of natural manganese sand or manganese

    物理狀態:該產品是用天然錳砂或錳礦石做原料,經篩選加工成含量不同的錳砂濾聊。
  17. Physical state : this produce is made of natural silica sand by the advanced processes of water scrubbing and reelecetion. natural silica sand has the naturally founded grain shape and uniform particle size and takes on brown - white or off - white color

    物理狀態:本產品經天然硅砂水洗,重選等工藝加工而成,天然硅砂具有天然的滾圓粒形和均勻的粒度,呈褐白色或灰白色。
  18. Construction industry can apply for natural sand supply from mainland

    建造業界可申請內地天然砂供港
  19. Molding natural sand

    鑄造模用天然砂
  20. Access down asset of stairs to the natural sand beach and swimming lagoon will open up a plethora of day and nighttime activities from swimming in a recreated tropical reef shelf to sipping drinks by the pool at the pool bar, to lounging, sun baking, sliding, diving or playing

    下到臺階處,天然沙灘和游泳池將開啟系列白日和夜晚的活動,從游泳到在熱帶礁石旁的池吧啜著飲料,從慵懶的閑躺到烤的太陽浴,滑水梯、跳水、游戲,應有盡有。
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