浮塵子 的英文怎麼說
中文拼音 [fúchénzi]
浮塵子
英文
leafhopper-
One case is that of tiny dust particles or colloidal particles suspended in a fluid.
一種就是微小的灰塵粒子或懸浮在液體中的膠粒。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。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。The dust charging associated with the electron beams including the secondary emission of dust can dominate the dust surface potential in the close cathode region. in this case, dust of the same size can levitate at two different positions in the cathode
另外還發現:在考慮極板有強電子束發射和塵埃粒子本身的二次電子發射時,同一大小的塵埃粒子能夠懸浮在鞘層中兩個不同的位置。Beyond the yard he walked through a clutch of spindly gums to sit above the dry bed of the creek, watching puffs of dust hover and settle
出了院子,他穿過一些細瘦的橡膠樹,然後坐在一條小河的乾涸的河床上,望著漂浮著並落下來的塵埃。According to the principle of filte, dust granules in the ak are caught and collected into a collective cylinder
依過濾原理將懸浮在空氣中的灰塵粒子捕捉收集在一臺集塵圓筒內。Most of the ac systems in the fehd public markets are equipped with disinfection units and filters to disinfect and remove particulate matters, dust and odour from the recirculated air
(二)食環署轄下公眾街市的空調系統大都設有空氣凈化系統和過濾器,為循環的空氣消毒、清除懸浮粒子、塵埃和臭味。( iii ) dust charging and levitation in cathode sheath of glow discharges with energetic electron beam. the dust charging and levitation in a collisionless cathode sheath of dc glow discharges with energetic electron beams released from a plane cathode are investigated with a self - consistent theoretic model
( )塵埃粒子在極板有高能電子束發射輝光放電鞘層中的充電與懸浮採用自洽的鞘層模型和塵埃粒子充電模型,我們研究了在極板有高能電子束發射輝光放電鞘層中塵埃粒子的充電與懸浮。1 ) the number of sandstorm days from 12 weather stations in the helanshan zone is documented, indicating that the events can happen on the east and west sides of the ranges all the year round, with high frequencies in april to may, averaging 3. 2 and 3. 1 days on the west side, respectively and with the eastern high frequency in april, averaging 2. 0 days. also, analysis reveals that the high frequency period for eastern station yanchi and western guaizihu is april, with 5. 4 and 5. 2 days, on average, respectively
銀川、巴音浩特和通古淖爾三地背景大氣沙塵氣溶膠粒子的數濃度譜和質量濃度譜均呈單峰型,服從對數正態分佈,與城市污染物氣溶膠的三峰、雙峰質量譜明顯不同。浮塵、揚沙、沙塵暴天氣條件下,平均數濃度和質量濃度是依次增加的,可相差4 - 7倍。沙塵氣溶膠粒子譜分佈還與地理位置有關。In addition to suspended particulates, fine dust in the natural environment can also be brought in by the northeast monsoon
除懸浮粒子外,大自然中的微塵粒亦會因東北季候風的出現而移來香港,形成煙霞。As hong kong is to the southeast of the prd, air pollutants originating from the prd covering shenzhen ( including shekou ) are easily carried by a northerly or northwesterly wind to the territory. larger particles of smog and dust usually settle near the source of pollution, while the smaller respirable suspended particulates may be carried by the wind for a long distance
由於本港位於珠江三角洲的東南面,偏北或西北方向的風較易將珠江三角洲包括深圳蛇口一帶的區域性空氣污染物帶進本港。黑煙粉塵中較大的粒子一般會在污染源頭附近墜下;但較細小的可吸入的懸浮粒子,則可以隨風被帶到遠處。They are equipped with continuous monitoring instruments for measuring sulphurdioxide, nitrogen oxides, photochemical oxidants and carbon monoxide. respirable and total suspended particulates ( dust ) and lead concentrations are also measured
站內的監察儀器,不斷測量本港空氣中二氧化硫、氧化氮、光化學氧化劑及一氧化碳含量,同時也測量可吸入懸浮粒子、總懸浮粒子(塵埃)和鉛的含量。A lidar gives out infrared light and receives the reflection from dust particles and aerosols in fine weather. this enables the determination of wind distribution
激光雷達在運作時向四周發射紅外光,並接收晴空中塵粒和懸浮粒子的反射,從而計算到風力分佈的情況。The human source includes emissions from motor vehicles and industrial processes, e. g., power stations, fugitive dust from cement works, construction and demolition activities. the natural source includes soil, salt and pollens
空氣中總懸浮粒子有兩大來源,人為的來源包括車輛廢氣發電廠排出的廢氣以及在製造水泥或建築工程中產生的塵埃,而天然的來源包括泥土鹽及花粉等等。Standard practice for continuous sizing and counting of airborne particles in dust - controlled areas and clean rooms using instruments capable of detecting single sub - micrometre and larger particles
使用能檢測單個亞測微計及較大粒子的儀器在控制塵埃區域及無菌區中連續測定空氣中懸浮粒子的大小及計數But you must recognize that history is full of examples of men and women who achieved greatness despite facing difficulties so steep that they easily could have crushed their spirit and left them lying in the dust
但你必須認識到歷史上有許多例子講述在克服重重困難之後才獲得成功的人,那些困難之大足以使他們變得意志消沉,浮於塵世。分享友人