空心粒子 的英文怎麼說
中文拼音 [kōngxīnlìzi]
空心粒子
英文
hollow granule-
Suspended solids including fine particles and colloids cannot be removed efficiently with gravitation sedimentation ; they are removed using centrifuge, dissolved air flotation, diatomaceous earth filtration, coagulation sedimentation plus rapid sand filtration while dissolved solids are removed with ion exchange, ultrafiltration, activated carbon adsorption and chemical oxidation
懸浮固體之去除包括微顆粒及膠體物,無法以重力沉澱之物質,可採用離心分離機、空氣浮除法、矽藻土過濾法、混凝沉澱加快濾池等去除之。而溶解性固體去除則採用離子交換法、微細孔濾膜過濾、活性碳吸附以及化學氧化等去除之。Through the approach of investigative questionnaire and ability examination, considering both teachers " teaching practice in senior high school and students " need in analyzing and resolving problem, taking the method of fixing the quality and quantity, we make a demonstration research. at last, we draw a conclusion that the 19 manifestations of chemistry ability can be reduced to three levels : the basal level, called repeating thinking, includes distinguishing and judging the chemical fact and relations of quantity in chemical reaction, comparing and summarizing the chemistry fundamental knowledge ; innovative thinking level includes illogical thinking and logical thinking. illogical thinking mainly contains intuition, association and space imagination of micro - particle
通過調查問卷、能力測試等途徑,結合教師在中學化學的教學實踐和學生在分析、解決問題的實際需要,採用定性與定量結合的方法,進行實證研究,得出結論:化學學科能力的19種表現形式歸納為3個層次:最基礎的再造性思維能力層次包括對化學事實和化學反應中量的關系的識別和判斷、對化學基礎知識的比較概括;以培養創新能力為核心的創造性思維層次包括化學直覺思維、聯想、對微觀粒子的空間想象為主的非邏輯思維和靈活運用已學的化學知識通過分析、綜合地解決問題為主的邏輯思維;化學實驗能力層次是化學學科能力的最高層次,它以思維能力為基礎,集中體現了化學教學的基本特徵,實驗能力層次包括:選用實驗方法和設計實驗方案,對實驗的評價,研究和處理實驗事實、資料、數據,發現規律,表達實驗及其結果,最終解決問題的能力和發散思維。Hollow ferrites particles are the alternative to conventional solid ferrites particles, which have lower density, larger specific surface area and stability. moreover, it is expected electromagnetic wave can be reflected and absorbed again and again in the cavum of hollow particles which become its black hole. in addition, their electromagnetic parameters can be adjusted in a certain range by changing the thickness of the shell and the diameter of hollow microspheres, and the ability of absorbing microwave can be expected to improve
空心結構的鐵氧體是對傳統實心鐵氧體的改造,不僅密度小,還具有特殊的電、磁功能,有可能使電磁波在其空腔中反復振蕩吸收,成為電磁波的「黑洞」 ,從而增加材料的吸波能力,同時可通過調節核殼粒子的內外徑來調控電磁參數。The paper analyses the particle radial separating speed in inertia field and the dropping speed in the gravity field, determines the relations among the separating critical diameter, the rotate speed of screw, airflow speed and the radial size of separating interface, establishes and work out the separating diameter which value the separating effect of the new equipment
根據物料的空氣阻力與離心分離理論分析了離心力場中粒子徑向分離速度及重力場中的粒子沉降速度,確定分離臨界粒徑與螺旋轉速、氣流速度及分離界面徑向尺寸等之間的關系建立了並求出了衡量此種新機型氣固二相流分離效果的衡量指標? ?分離粒徑。In the second part of this dissertation ( chapter 6 and chapter 7 ), it is demonstrated that in low multiplicity sample, the increase of the fluctuation of event factorial moments with the diminishing of phase space scale, " erraticity ", are dominated by the statistical fluctuations
在非對心碰撞中,初始坐標空間中的方位角不對稱性將導致末態粒子相對于「反應平面」的角依賴性。微觀上講,末態動量空間的大的各向異性來源於碰撞最初階段的大量的再散射。Numerical simulation results indicate that, for low temperature dust particles, dust particles mainly exist in the area near the column center and their charge - number can be considered as a constant, while in the area where there are no dust particles, ion and electrons are in ambipolar diffusion ; for high temperature dust particles, both the distribution regions of dust particle and high ion density are expanded and dust charge - number is increasing with the distance from the center
計算結果表明:當塵埃粒子的溫度較低時,塵埃粒子主要集中在圓柱形放電器的中心很小的區域,塵埃粒子攜帶的電荷幾乎是一個常數,受塵埃粒子空間電荷的影響,離子在該區域的密度最高。在遠離中心區域,離子和電子呈現雙及擴散特點;當塵埃粒子的溫度較高時,塵埃粒子分佈的區域和高離子密度區域擴大,塵埃粒子離放電器中心越遠,攜帶的負電荷越多。Experimental techniques for simulating cavity decoupling explosion in laboratory wear developed, which include a center initiating explosive charge designed in shape of mini - spherical with yield equivalent to 0. 125 ~ 8. 00gtnt, circular electromagnetic particle velocity gages and aluminum bar strain gages measurement techniques, spherical divergent stress waves generator. large amount of tamped and cavity explosion experiments had been made in granite, soil, cement mortar and water media environment, respectively
本文建立起了包括中心起爆的0 . 125 8 . 00gtnt微型球形炸藥裝置的研製、圓環形電磁粒子速度計及鋁桿應變計測試技術和球形發散應力波實驗裝置等在內的實驗室微型藥量空腔解耦化爆模擬技術,並在花崗巖、土、水泥砂漿和水等介質中進行了大量的填實和空腔爆炸實驗研究。A linear theory of rbwo with inner - slot coaxial structure is analyzed detailedly, and the equation of dispersive relation is deduced and computered numerically. 4. particle simulation is used in rbwo respective with coaxial and partial structure. in the simulation, the output parameters of rbwo such as phasespace, contour, vector, voltage, current, output power, interaction efficiency and microwave radiation
4 .對同軸和偏心返波管分別進行了粒子模擬,通過改變電壓、電流、電子注位置、磁場等參數來觀察返波管加了內開槽前後相位空間、等位線、矢量、電壓、電流、輸出功率、工作頻率的變化。Through the competition of ionization equilibrium of zno22 - and precipitation reaction, the nucleation and growth process of znse have been adjusted, and monodispersed znse semiconductor hollow microspheres are obtained. these microspheres were found to form through aggregation of small znse nanocrystals sizes of which could be finely tuned by temperature control. a novel gas - liquid interface aggregation mechanism was proposed and this idea might be generalized in other systems
以zno22 -陰離子提供鋅源,利用它在強堿性溶液中緩慢釋放出zn2 + ,並與se2 -之間的電荷排斥作用,成功地調節了反應動力學,獲得了尺寸和分散性都非常均勻的微米級znse空心球,並實現了空心球內部粒子尺寸的調控,提出了新穎的氣液界面團聚機理。" cosmic voyage " blends cutting - edge technology and state - of - the - art computer - generated images to create a visually stunning journey through the known dimensions of the universe. you will take onto a journey across the entire range of space and time scales known to science, from quarks the smallest particles of matter to the largest observable universe, and from big bang to our present civilizations
時空之旅揉合了最先進的科技和最新的電腦動畫技術,將人類已知的宇宙重現出來,在片中,你將會參加一次動人心魄的旅程,你的行程將橫跨整個科學界所知的時間和空間由夸克構成物質的最小粒子到可觀察宇宙的盡頭由宇宙初開的大爆炸到人類現今的文明世界。With the increase of the amount of al, the intensity of the pl peak at 510nm increases. with the aid of ple we can suggest that pl peak at 370nm and 410nm are related to the oxygen vacancies, and 510nm peak originate from a complex co - function of al, si, and o. el devices have been fabricated on three types of silicon based oxide films ( ge - sio2 films, si - sio2 films, and al - sio2 films )
用不同的方法制備的51一5102薄膜、 ge一510 :薄膜和al一51一5102薄膜,在較低的電壓萬均觀察到了室溫可見電致發光現象,峰位都在510nm左右,其峰位不因薄膜樣品內所含顆粒的種類、薄膜的制備方法、偏壓及后處理的影響,表明電致發光主要來源於電子和空穴在510 、基質中的發光中心的輻射復合發光。The researchers also examined levels of 5 particles in the air in 36 areas across the country. that information came from the environmental protection agency. the extremely small particles come from industrial smoke and traffic along with things like wood burning fire places in houses. in the study, every 10 microgram increase in pollution was linked to a 24 - percent increase in the risk of a cardiovascular event
研究人同時還對全國36個地方5種空氣中顆粒的等級進行了檢測.這些信息是來自環境保護局.那些極其小的微粒來自工業煙霧,交通和一些像房子里所燒的木頭.研究表明,污染中每10微克的增長將會導致心血管病24 %危險性的增加Each of hollow beams has its own particular physics character, this causes widely applied in the trapping particles, four - dimension manipulating, guiding cold atomic, and atomic funnel and so on
摘要各類空心光束都有其新穎獨特的物理性質,這使得其在實現微觀粒子的光學囚禁與四維操控以及冷原子的激光導引、漏斗等方面有著非常廣泛的應用。Methods and results ? a case - crossoer study design was used to analyze ischemic eents in 12 865 patients who lied on the wasatch front in utah
背景:最近證據表明長期暴露在微粒子污染的空氣可以導致肺部和全身性氧化應激、炎癥、動脈粥樣硬化進展加快、缺血性心臟病和死亡的危險。分享友人