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- And then, underground coal porositycalculation method and variational characteristic of coal effective pore volume compressibility are discussed. 進(jìn)而探討了煤巖地下孔隙度的計算方法和煤巖有效孔隙體積壓縮系數的變化特征。
- The serial catalyst is characterized by large pore volume and pore diameter, high activity and stability. 該系列催化劑的主要特點(diǎn)是大孔容、孔徑、性和穩定性高。
- The impact of injection rate of polymer flooding on the inaccessible pore volume is studied by the numerical method. 利用數值模擬方法，研究聚合物驅注入速度對不可及孔隙體積的影響。
- The effect of the pore volume and surface area of hydrotreating catalyst on its activity was studied. 考察了加氫精制催化劑的孔容和比表面對其活性的影響。
- In addition,the use of the oxalic acid as the catalyzer resulted in the decrease of pore volume of t... 而對于草酸,它的使用使得沸石的微孔骨架被部分破壞,從而使制備得到的多孔炭的微孔容積減小。
- The results show that PSW can increase pore volume of coal and can enhance permeability of coalbed methane (CBM) in coal. 結果表明 ,功率聲波能夠增加煤的孔隙體積 ,提高甲烷在煤層中的滲透率 ;
- This pore volume serves as storage for a fluid lubricant with which the part has been impregnated during its manufacture. 這個(gè)孔隙容積可用來(lái)貯存流體潤滑劑,流體潤滑劑是在軸承的制造過(guò)程中含浸于其中的。
- BET specific surface area,pore diameter and pore volume of the synthesized molecular sieves were 197?m~2/g,about 4.80?nm and 0.23?cm~3/g,respectively. 合成的介孔氧化鋯分子篩在450℃焙燒后;其BET比表面積達到197 m2/g;孔分布集中在4.;80 nm左右;孔體積為0
- The method has no harm for the surface properties and pore size distribution of GAC. 78% of BET surface area and total pore volume were recovered. 方法對活性炭表面性質(zhì)無(wú)損害,再生炭的BET比表面積和總孔容積可恢復到新炭的78%25,孔徑分布基本無(wú)變化。
- The oil shale on the surface show opening foliation, abundant pore volume and low density because of less overburden pressure. 地表油頁(yè)巖由于覆壓減小等影響，頁(yè)理張開(kāi)、孔隙增加、密度減小。
- The results show that these treatments lead to many micro-pores and increase BET surface area (TSA) and BJH cumulative adsorption pore volume (BPV). 研究結果表明：氧化處理會(huì )使纖維表面產(chǎn)生大量的孔洞，增加BET比表面積和BJH累積孔體積，提高表面吸附能力；
- This difference is caused by the Wyllie formula solely considering pore volume's effect on acoustic transmission and ignoring pore geometry's effect. 這種差異是由于威利公式只考慮了孔隙體積對聲波傳播的影響,忽略了孔隙幾何形狀等的影響而造成的。
- Good relationship exists among total pore volume, specific surface area and aromatic microcrystallite size in coal char. 煤焦的總孔容、比表面積和芳核大小之間有很好的對應關(guān)系。
- The factors of the dulling efficiency was studied from pore volume, particle size, surface fimishing, dry coating thickness. 從孔體積、顆粒大小、表面處理、干膜厚度方面研究了消光劑的消光效率的影響因素。
- Nitrogen adsorption isotherm(77K) was used to measure the BET surfacearea,pore surface and pore volume of four pulverized coals from pyrolysis process. 用氮氣等溫吸附（77K）方法測量了四種不同煤粉在熱分解過(guò)程中的BET比表面積和孔隙結構。
- coeffcient of volume compressibility 體積壓縮系數
- Firstly,twenty one groups of datum of pore volume in relation to initial pressure and balance pressure are measured by serval standard cores. 該方法是用7個(gè)標準鋼心測得孔隙體積關(guān)于初始壓力與平衡壓力的21組數據;
- The pore volume of coke decreases with its strength index improved obviously, and the aryl organic compound in tar increased with alkene decreased. 焦炭的孔體積減少，強度指標明顯改善；焦油中芳香烴含量增加，烯烴含量減少；
- The physical properties of catalysts such as specific surface area, pore volume, stacking density and crushing strength were tested. 測定了催化劑的比表面積、比孔體積、堆積密度和壓碎強度等物理性質(zhì)參數。
- It is found that the pore volume between the surfaces of coarse sample and the mercury is the origin of pockmarks -effect. 巖樣粗糙外表面與水銀接觸面之間的空腔體積是產(chǎn)生麻皮效應的根源。
