粉粒孔隙 的英文怎麼說
中文拼音 [fěnlìkǒngxì]
粉粒孔隙
英文
particle porosity- 粉 : Ⅰ名詞1 (粉末) powder 2 (用澱粉製成的粉條或粉絲) noodles or vermicelli made from bean potato o...
- 粒 : Ⅰ名 (小圓珠形或小碎塊形物) small particles; grain; granule; pellet Ⅱ量詞(用於粒狀物)
- 隙 : 名詞1 (縫隙; 裂縫) crack; chink; crevice 2 (空閑) gap; interval 3 (漏洞; 機會) loophole; op...
- 孔隙 : small opening; hole; [冶金學] pore; aperture gap; pore space; ventage; void
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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。The variations in trace element contents and ratios may hold up a mirror to the lake - level fluctuations and climatic changes, which, in turn, have exerted a direct and important effect on the sequence stratigraphic development. collectively, the reservoir rocks from the yanchang formation consist dominantly of the delta front subfacies subaqueous distributary channel and channel - mouth bar microfacies and delta plain subfacies subaerial distributary channel microfacies fine - grained feldspar sandstones and siltstones. the reservoir rocks have been subjected to three stages of diagenetic and porosity evolution : ( 1 ) the porosity reduction by the mechanical compaction and chemical pressure solution during the early diagenetic stage ; ( 2 ) the porosity increase by the dissolution during the a substage of the late diagenetic stage, and ( 3 ) the porosity reduction by the cementation and filling during the b substage of the late diagenetic stage
系統的儲層特徵研究表明,該區延長組儲層成因類型主要為三角洲前緣水下分流河道、河口砂壩及三角洲平原水上分流河道微相細粒長石砂巖、粉砂巖;儲層巖石經歷了壓實,膠結,溶蝕等成巖作用,歷經早成巖機械壓實和化學壓溶孔隙縮小期、晚成巖a亞期溶蝕作用孔隙擴大期及晚成巖a亞期( b亞期)膠結充填孔隙縮小期三個成巖-孔隙演化階段;儲層物性總體上具有較低孔滲、低孔滲的特點,孔隙類型主要為粒間溶孔、殘余粒間孔隙、粒內溶孔、晶間孔及晶間溶孔,裂縫不發育,儲集巖排驅壓力和中值壓力較高,孔隙結構類型以細小孔-微孔隙,微細喉-微喉型為主。Abstract : basic stuff of sinter flyash ceramisite is flyash and clay as agglomerant. the si nter flyash ceramisite is of dense in structure, low porosity which can improve t he mechanical properties of the material. it has properties such as high strong a nd low absorption of water and better stability. it is a new type ofbuliding mate rial
文摘:燒結型粉煤灰陶粒的主要原料是粉煤灰和作為粘結劑的粘土,文中所述燒結粉煤灰陶粒結構緻密,孔隙率低,能較好地改善了材料的力學性能,具有高強、吸水率低、穩定性好等特點,是一種新型建築材料The model shows that : 1 ) structure of the stabilized soil from silt is formed by hydrates, which are generated by hardening agent hydration, wrapping and cementing soil particles and filling pores among the particles ; 2 ) structure of the stabilized soil formed from clayey soil is formed by the hydrates wrapping and cementing clay particle groups, filling pores among the groups, and squeezing and filling pores in the groups
該模型認為:粉土固化土結構是由固化劑水化物充分包裹膠結土顆粒和填充土顆粒間孔隙而構成;黏性土固化土結構是通過固化劑水化物包裹膠結土團粒、填充土團粒間孔隙、擠壓填充土團粒內孔隙而構成。With increase of artificial forest age, the content of soil organic matter decreased sharply. and soil physical, chemical and biological properties of forest became worsen. from soil physical properties analysis, soil silt, clay, physical clay, aggregate degree and structure coefficient in topsoil increased with increase of artificial forest age and soil sand deceased
在土壤物理性質方面,隨著人工雲杉林齡的增加,土壤表層粉粒、粘粒、物理性粘粒、團聚度和結構系數降低,砂粒含量增高,土壤飽和持水量、毛管持水量及總孔隙和毛管孔隙在人工雲杉演替過程中表現出「 u 」型變化。The investigation results show that fly ash particles serve as nucleation sites for the growth of the hydration products and the quality of fly ash does not affects the microstructure of concrete much
研究結果表明:粉煤灰顆粒充當水化物的中心質,摻加粉煤灰使混凝土層狀形貌得以改善,孔隙下降,不同品質粉煤灰對早期水化物的生成有明顯的影響。Powder metal is often used instead because it is undesirable or impractical to join the elements through alloying or to produce parts by casting or other forming consists of producing small particles, compacting, and sintering. the squeezing pressure with added heat bonds the metal powder into a strong solid. powdered metals can be ferrous, nonferrous or a combination of ferrous and nonferrous elements
金屬合金一般是無孔隙固體;因為煉制出的合金的實際效果不理想,或者通過鑄造和其他成型方式對小的顆粒進行壓制,燒結出來的產品零件無法滿足需求,因而人們常常使用粉末金屬來代替金屬合金。Ceramic grain filters ard made of refined pottery clays added with certain modifiers, and processed of grinding, mixing, shaping and high temperature sintering. they do not contain any substances that harmful to people or environment. they are hard and rough in surface, porous inside the structure, and have the advantages of high mechanical strength, large specific surface area and porosity. when used in water treatment, they behave a activated surface property, a great amount of pollutant entrapment, less water head loss in the filter bed, lower consumption of back - flush water, stable in chemical and gbiologic property, and long service life, ceramic grain filters is a new and efficient filter material to increase the water yield, upgrade the water quality, and save chemicals and energy
陶粒濾料是以精製陶土為主要原料,摻加適量改性劑,經粉碎,混練,成型和高溫煅燒而製成的,不含任何對人體和環境有害的物質.其表面堅硬,粗糙,內部疏鬆,多孔,具有機械強度高,比表面積大,孔隙率大的特性.用於水處理中,具有表面性狀好,截污能力強,過濾水頭損失小,反沖洗耗水量低,化學穩定性和生物學穩定性好,使用壽命長的特點.陶粒濾料是一種能增加水產量,提高出水質量,節省藥劑和能耗的新型高效過濾材料First research on physics and combustion characteristic of micronized coal is processed in this paper. the results of the change tendency of pulverized coal character with particle diameter are got from particle diameter determining test, hole structure analysis test and tg analysis test, which provide theory element for nox reduction research with micronized coal reburning
本文首先對超細煤粉的物理、燃燒特性進行了試驗研究,通過煤粉細度的測定、孔隙結構的分析以及熱重分析等試驗,得到了煤粉粒徑變化后煤粉特性的變化趨勢,為超細煤粉再燃降低nox排放的試驗研究奠定理論基礎。Cr particles were enclosed by cr - w solid solution alloy after cr powder and w powder were sintered if the grain size of cr powder is larger than w powder. around cr particles more cr - w solute was formed with prolonging sintering time. during infiltration process, cr was dissolved and moved into the pores in w skeleton by cu liquids and made w skeleton become w - cr skeleton
粒度較大的cr粉和粒度較小的w粉混合燒結后,形成crw固溶體合金包圍cr塊的組織形貌,燒結時間越長, cr塊周圍形成的crw固溶體越多;熔滲過程中, cr被cu液溶解並轉移到w骨架之間的孔隙中, w骨架則轉變為cr - w骨架。For silt, the relationship between the strength of stabilized soils with various cement contents and the cement content was investigated experimentally, and the formula of cement contents for wrapping soil particle and filling pore during the structural formation of the stabilized soil was derived
摘要以粉砂土為研究對象,對水泥土抗壓強度與水泥含量關系進行了試驗研究,推導了水泥土結構形成過程中水泥漿包裹土顆粒和填充孔隙所分別對應水泥量的理論計算公式。Zny, ni ( 1 - y ) fe2o4 and cobalt substituted ni - zn soft ferrite powders of zn0. 4ni ( 0. 6 - a ) coa fe2o4 are synthesized by shs. the shs powders and cycle samples are annealing in 1100 for 2h. their magnetic, and micro structural properties are studied using xrd, vsm and sem techniques. the studies reveal that the value of hc mr and ms of the powder of zn yni ( 1 - y ) fe2o4 are maximal when the value of y is 0. 4
研究發現:隨著zno含量( y值)的增加,粉末產物的矯頑力( hc ) 、飽和磁矩( ms )以及剩餘磁矩( mr )先增大(在y = 0 . 4時取得最大值)然後再下降;磁環表面顆粒逐漸長大,孔隙率減少,密度增加;磁環的bs與br先增大再減小,在y = 0 . 4時達到最大;磁環的矯頑力hc是遞減的。This paper consists of the following parts : firstly, the physical properties ( particle size distribution, specific area, porosity ratio and pore volume ) and pyrolysis characteristics have been studied in experiments with four kinds of coals. according to experimental results, the advantages of combustion characteristics of micro - pulverized caols are analysed on the theory. secondly, the reconstructing plan is designed in details for a conventional system of the hot air transferring pulverized coal to reduce nox emission
本文主要包括以下內容:首先,通過基礎的實驗分別對四種具有代表性煤種一、三次風所含煤粉的物理特性(粒徑分佈、孔隙率、孔容積和比表面積)和熱解特性進行研究,從理論上分析煤粉細化后,較細顆粒(即三次風含粉)在燃燒特性上的優越性,為三次風含粉用於再燃燃燒打下基礎。分享友人