dust sand 中文意思是什麼

dust sand 解釋
塵砂
  • dust : n 1 塵,灰塵,塵土,塵埃。2 〈英國〉垃圾,廢品;灰燼。3 〈口語〉金粉;粉末,粉劑;花粉。4 〈詩〉...
  • 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 severe sand dust not only has great effects on the quality of atmosphere environment in cities and on people ' s health, but also can be transported by northwest current to the sea, and exert baneful effects on marine ecosystem

    強沙塵天氣不僅對城市大氣環境質量和人體健康產生影響,而且會經西北氣流向海洋輸送和沉降,對海洋中營養鹽的供給和海洋生態系統造成影響。
  2. Effect of sand dust storm on incidence rate of respiratory diseases

    沙塵暴對呼吸系統疾病的影響
  3. Sand - dust storm forecasting model based on svm

    的沙塵暴預測模型
  4. The result shows that : the sand - dust storm occured in favorable climate background that is drought and rainless, the tilted trough and mongolia cyclone are the important weather systems that caused the severe sand - dust storm, tilted trough and strong frontal zone caused the mongolia cyclone developed and the clod front strengthened at surface, high jet and ferrel circulation are the main reason that momentum spreaded downward from higher level and frontal zone strengthened on lower level

    結果表明:沙塵暴是在乾旱少雨的有利的氣候背景下產生的。斜壓槽和蒙古氣旋是觸發這次強沙塵暴天氣過程的重要的天氣系統,高空斜壓槽和強鋒區促使了地面蒙古氣旋的發展和冷鋒的加強,誘發沙塵暴天氣。高空急流及其下方的ferrel環流起到了高層動量下傳和加強低層鋒區的重要作用。
  5. A dry wind called the harmattan, which blows from the sahara desert over ghana and nigeria, carries much sand and dust

    一種叫「哈馬頓」的乾燥的風自撒哈拉大沙漠夾帶著大量的沙粒和塵埃,越過迦納和奈及利亞。
  6. Many academicians regard that the cause of formation of sand - dust storm mainly is the vegetation in hungriness is destroyed

    摘要關于沙塵暴的成因,學界大多認為其是近期以來人為破壞荒漠植被的結果。
  7. 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。
  8. 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。
  9. 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 。
  10. This dust catcher fits for purifying air in the foundry workshop, especially place with high content of powder, high temperature and high demand on purification, such as sand shakeout clean and sand treatment

    該除塵器運用於鑄造車間氣體的凈化,尤其是粉塵含量高氣體溫度高及凈化要求高的場合,如落砂清理砂處理工布等。
  11. For collecting sand blasting powder, molding powder, mineral stone powder, plastic pigment powder, medicine powder, cosmetic powder, bakelite powder, wood dust, brass powder, ceramic powder, melamine powder, shoe - sole powder, brake lining powder, clutch powder as well as dust produced from grinding chopsticks and metallic articles

    噴砂粉、翻砂粉、礦石粉、水泥粉、碳酸鈣粉、塑膠顏料粉、制藥粉、化妝品粉、電木粉、木器粉、銅鋼器粉、陶器粉、美耐皿粉、鞋底粉、煞車來令粉、離合器粉、筷子、金屬研磨等、收塵、集塵用。
  12. Sand - dust storm is a kind of calamitous weather phenomenon, which means that strong breeze draws much sand and dust on the surface into the sky, making air very foul and with visibility lower than 1km

    沙塵暴系指強風把地表大量沙塵捲入到空中,使空氣特別渾濁,水平能見度低於1km的災害性天氣現象,是重要環境問題之一。
  13. The fragile land quickly lost its topsoil and became nothing but sand and dust.

    那單薄的土地很快就失去了表土,成為沙粒和塵埃。
  14. The persistence of dry warmer sector in winter in northwest of china is the index of its occurrence. moreover, the sand over the ground surface also provided a favorable substance condition. sand - dust weather in qingdao occurred frequently in spring

    蒙古氣旋和西北強冷空氣是「 3 . 20 」強沙塵暴最主要的天氣形勢和動力機制;冬季北方乾旱少雨、沙塵裸露面大提供了物質基礎。
  15. A whirlwind is small in size and may suck up sand and dust as it moves over the surface of the earth.

    旋風的范圍小,當它在地球表面移過時,可以吸進沙和灰塵。
  16. Dust catching hole is set on the top which can be directly connected with ventilation system for sand treatment to lower dust of used sand and enhance quality of moulding sand

    在頂部設置吸塵口,可以在砂處理通風系統中直接聯網,降低舊砂粉塵量,提高型砂質量。
  17. The influence of some problems with dust system design for sand treating section on dust cleaning effect was described : 1

    摘要介紹了砂處理工部除塵系統設計中幾個問題對除塵效果的影響。
  18. Classification of environmental conditions - environmental conditions appearing in nature - dust, sand, salt mist

    環境條件分類.大自然呈現的環境條件.灰塵沙鹽霧
  19. Before shop primer is applied, dust, sand residue, crushed steel shot or grit and all other contaminants must be removed from the surface using a vacuum cleaner, air blower, etc

    當車間底漆塗裝之前,應用真空清潔器、鼓風裝置除去表面的灰塵、殘砂、碎鋼粒以及其他污染物。
  20. Use a vacuum cleaner to remove dust, sand residue, and other contaminants

    用真空清潔器除去粉塵、殘砂和其他污染物。
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