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Pitch based spherical activated carbon has been prepared with a BET surface area of 1 437 m2/g and strength of 95%. 以煤沥青为原料一次能制备出3kg;BET比表面积为1437m2/g;强度为95%25;表面pH值为7.;3的沥青基球状活性炭。
Mesophase pitch based carbon fibres can have high thermal conductivity due to the highly extended graphitic crystalline structure along the fibre axis. 中间相沥青炭纤维由于其石墨晶体结构沿纤维轴高度择优取向,具有极高的热导率。
Pitch based spherical activated carbon (PSAC) is a new carbon material with excellent physicalproperties and high adsorption. 沥青基球形活性炭是一种物理性能和吸附性能优异的新型炭材料。
In this paper, Physical and chemical structures of pitch based high surface area activated carbon(PHAC) were studied by ASPP2000, XPS,SEM and TEM. Pore size distribution and pore structural parameters of PHAC were determined by N_2 adsorption(at 77K). 本文用ASAP2000吸附仪测定了吸附性能优异的沥青基高比表面积新型活性碳（PHAC）的BET比表面积、用BJH和DRS法分析了其孔隙结构参数，用XPS测定了PHAC的表面元素组成及含氧官能团，对PHAC的表面形态结构进行了SEM和TEM观察。
His sooty hand smudged the paper. 他被煤烟熏污的手把纸弄脏了。
Pitch based activated carbon fibers (PACF) have been prepared by activating pitch based carbon fiber (PCF) with H 2O and CO 2 as activating agent and ammonium salt mixture as impregnant. 以沥青基炭纤维 (PCF)为原料 ,以H2 O、CO2 为活化剂 ,以氨盐混合液为浸渍剂 ,对不同活化条件制得的ACF进行了比较。
The base of the thumb is where it joins the hand. 拇指的起点是在与手掌接合处。
The children walk down the street hand in hand. 孩子们手拉手地在街上散步。
The teacher asked the pupil to put his hand down. 老师叫这个小学生把手放下。
She picked up a new magazine with her free hand. 她用空着的一只手拿起一本新杂志。
My father is a dab hand at baking bread. 做面包是我父亲的拿手好戏。
Bill wave his hand to us and then drive away. 比尔向我们挥手告别后开车走了。
Hand me of a the ripest tangerine please. 请递给我一个最熟的橘子。
pitch based activated carbon fibers 沥青基活性碳纤维
He came into the room with a sword in his hand. 他手里拿着剑走进了房间。
She wears a diamond ring on her left hand. 她左手上戴着一枚钻石戒指。
He held the test tube in his hand thoughtfully. 他沉思地把试管拿在手里。
Pythagorean tuning (09) A system of pitches based on perfect fifths and fourths. 畢氏調律(09)根據完全五度和完全四度的關係而定的音高系統。
He poised the javelin in his hand before throw it. 他把手中标枪握稳後掷了出去。
That part of the epidermis on his hand is damaged. 他手上那块表皮受到损伤。