粒徑中斷 的英文怎麼說
中文拼音 [lìjìngzhōngduàn]
粒徑中斷
英文
break in grain size-
Firstly, simulate flow field of rear smoke channel, plot velocity magnitude and ash concentration distribution in section of entry of heat pipe air preheater, compare with data which were measured in guiyang power station, verify simulation to be reasonable and right. secondly, simulate all kinds of factors which affect flow field ' s uniformity such as length, thickness, location of diffluent board, ash concentration, ash diameter, and so on, find the chiefly factors. thirdly, install guide board in curve channel in rear smoke channel, then simulate its " flow field, plot velocity magnitude and ash concentration distribution
在此基礎上模擬在冬夏兩季不同情況下，不同流速對熱管空氣預熱器壁面溫度的影響；然後對影響整個流場分佈的各種因素：包括分流板長度、厚度、偏離中心流道位置的偏離度、飛灰濃度、飛灰粒徑等因素進行數值模擬；最後提出在分流煙道轉彎處加裝導流板，並模擬加裝導流板后的流場分佈，得到下級空氣預熱器出口、熱管空氣預熱器進口處的斷面速度場分佈、濃度場分佈，以論證加裝導流板能達到流場均勻化的作用。( 4 ) we use sem to observe fractured morphology of composites, and tem to observe dispersion and particle size of nanoparticles or composited nanoparticles in matrix. we also investigate dispersion property of composited nanoparticles in polymer matrix with the help of microtone
（ 4 ）採用掃描電鏡（ sem ）觀察缺口沖擊的斷裂形貌，通過透射電鏡（ tem ）觀察納米粒子和復合納米粒子的分散情況和粒徑的大小；通過超薄切片法研究復合粒子在聚合物基體中的分散性。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。Other nonlinear phenomena we studied include spiral wave dynamics in chemical reaction ( chi - keung chan ) ; pattern formation in fracture phenomena ; collective behavior of driven and self - propelled particles ( kwan - tai leung ) ; and jamming of granular flow in hoppers ( kiwing to )
另外，我們也研究物質斷裂中之裂紋路徑與網路圖型形成機制，及因自我或被驅動之粒子的集體運動行為所產生的相變現象（梁鈞泰） 。2. the results showed that the contents of cach - extractable soil p, and soil test phosphorus ( olsen, bray, mehlich - 3 ) and algae - available p contents ( naoh - extractable soil p ) in the soils correlated significantly with the contents of ortho - p, particulate p and bioavailable p in runoff, respectively, which were feasible to be used as primary indices to evaluate of agriculture p impacting on surface water quality. the results also showed that the relationships between the phosphorus sorption of soil index ( psi ), and the degree of soil saturation with phosphorus ( dpss ) and the contents of ortho - p, particulate p and bioavailable p in runoff reached significant level, respectively
黃壤旱地土壤易解吸磷（ cacl _ 2 - p ） 、土壤有效磷（ olsen - p 、 bray - p 、 mehlich - 3 - p ）或藻類可以利用的土壤磷（ naoh - p ）與地表徑流中顆粒態磷、生物有效性磷和磷酸根態磷之間均存在顯著的相關性，在一定的程度上可用cacl _ 2 - p 、 olsen - p作為指示黃壤旱地地表徑流中磷潛在流失的預警指標，來判斷旱地存在磷素非點源污染的可能性。The properties of cn thin films such as their morphology, component, crystal structure and the bonding structure and the relation between those properties and the gas - phase reaction parameters were discussed, showing that the deposition of p - c3n4 thin film is the compete result of various reaction processes in the dynamics balance conditions ; the process of cn films depo sition is diagnosed in situ through the optical emission spectra technique, the effects of experimental parameters on the concentration of the precursors and the gas - phase reactions in the plasma have been obtained ; the main reaction precursors for film deposition identified ; the relation between the characteristics of cn thin films and the reaction process in the plasma is analyzed. the cn thin films deposition under different substrate temperatures in high pressure pe - pld shows that the si atom of the substrate has participated the cn films growth process, based on this the growth mode of cn thin films on the si substrate is proposed. the further experiment of cn thin films deposition on si substrate scratched by diamond as well as covered with fe catalyzer has been attempted, which indicates that changing the dynamics conditions of the surface reaction can alter the growth characteristic of the cn thin films and can enhance obviously the films growth rate
採用pld技術進行了碳氮化合物薄膜沉積，得到了含氮量為21at的cn薄膜；研究了襯底溫度和反應氣體壓強對薄膜結構特性的影響，給出了cn薄膜中n含量較小、 sp ~ 3鍵合結構成分較少和薄膜中僅含有局域cn晶體的原因；引入脈沖輝光放電等離子體增強pld的氣相反應，給出了提高薄膜晶態sp ~ 3鍵合結構成分和薄膜的含n量可行性途徑；應用pe - cvd技術以ch _ 4 + n _ 2為反應氣體並引入輔助氣體h _ 2 ，得到了含n量為56at的晶態cn薄膜；探討了cn薄膜形貌、成分、晶體結構、價鍵狀態等特性及其與氣體壓強和放電電流的關系，證明了- c _ 3n _ 4薄膜沉積為滿足動力學平衡條件的各種反應過程的競爭結果；採用光學發射譜技術對cn薄膜生長過程進行了實時診斷，得到了實驗參量對等離子體中活性粒子相對濃度和氣相反應過程的影響規律，給出了cn薄膜沉積的主要反應前驅物，揭示了cn薄膜特性和等離子體內反應過程之間的聯系；採用高氣壓pe - pld技術研究了不同襯底溫度條件下cn化合物薄膜的結構特性，揭示了si原子對薄膜生長過程的影響，給出了si基表面碳氮薄膜的生長模式；在金剛石研磨和催化劑fe處理的si襯底上進行cn薄膜沉積，證明了通過控制材料表面動力學條件可以改變碳氮薄膜結構特性，並可顯著提高晶態碳氮材料的生長速率。Based on simulation results which were satisfied, the effect of bubble diameter on entrainment concentration forcast result was analyzed. the bubble moving rule was found which includs the bubble is escaping upwards along the way, the diameter of the bubble is bigger, the velocity upwards is larger and the bladder remaining near channel bottom is smaller. to make best use of the function of the aerator, the demands of enough air entrainment quantity and suitable air bubble diameter are needed to be satisfied
根據計算結果，對水氣兩相流中氣泡尺寸對摻氣濃度預測結果的影響進行了分析，得到沿程氣泡不斷上逸，氣泡粒徑越大，其上逸速度越大，則留在渠底附近的氣泡越少的氣泡運動規律，提出了摻氣槽的設計，除滿足摻氣量外還應滿足摻氣粒徑要求的工程建議。The toad nutrient of floods increases as the sediment concentration increases, and there is nearly a linear relationship between them, by analysing the particle size of the sediment, we can conclude that the reason of the liner relationship is the resourse of flood nutrient and the sediment nature
通過對洪水中下層泥沙做顆粒級配分析，推斷出這種結果主要是由洪水養分成因及洪水中下層泥沙粒徑特性決定的。分享友人