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needle-like是什么意思

中文翻译针状结构

网络释义

1)needle-like,针状结构2)needle-like,针状3)Needle,针状4)acicular,针状5)acicular A,针状A6)needle like,针状

用法例句

    The needle-like structured porous mullite ceramic membrane supports were prepared us- ing kaolin,Al_2O_3 and Al(OH)_3 as raw materials by in situ reaction sintering.

    采用粘土矿物高岭土、Al_2O_3和Al(OH)_3为原料,原位反应烧结合成了针状结构多孔莫来石陶瓷膜载体。

    Morphology control of needle-like magnesium hydroxide nanoparticles;

    针状纳米氢氧化镁的形貌控制

    Production and application of needle-like nano-CaCO_3;

    针状纳米级碳酸钙的工业生产与应用

    Production of needle-like nano-CaCO_3 by non-refrigerating carbonization;

    非冷冻碳化法工业化生产针状纳米碳酸钙

    A new type of needle α-Fe2O3 coated titania composite particles were prepared via the colloidal method and characterized by XRD,TEM,and EDS methods respectively.

    采用溶胶法制备了针状α-Fe2O3包覆二氧化钛的复合纳米颗粒,并通过透射电镜(TEM)、X射线衍射(XRD)、能谱元素分析(EDS)对产物形貌和晶相组成进行了表征,对其形成机理进行了初步分析。

    Experimental results showed that: the period of reaction was greatly shorted under microwave radiaton ; beside , while the molar ratio of FeCl_3 and NaH_2PO_4 were 200 and 250 , we obtained uniform spheral and acicular nanometer particles respectively ; The diameter of particles were about 20nm .

    采用微波辅助法由FeCl3溶液在晶体助长剂NaH2PO4的存在下制备出了针状和球状的α-Fe2O3纳米粒子。

    Acicular barium ferrite, which was prepared by topotactic reaction between barium carbonate, aciculargoethite with the aspect ratio of 14 and the average length of 500nm and some doping ions, were characterized byXRD, TEM and TG-DTA.

    采用α-FeOOH(平均长度为50nm,平均轴比为14)和BaCO_3 及添加离子经局部规整反应制备针状钡铁氧体。

    By observing microstructures , we find they may form spheroidal A,acicular A and feathery A .

    组织观察发现,除形成球状A、针状A外,还形成羽毛状A。

    The optimum conditions of preparing needle like nano CaCO 3 were discussed, which were concent.

    采用鼓泡碳化法 ,以无机酸A为添加剂 ,通过对反应温度、反应物浓度、气体流量和气体分布板孔径大小等各影响因素的控制 ,得到制备针状纳米碳酸钙的优化工艺条件 ,最终制得了平均粒径为 2 0nm ,长径比约为 18,且分散性能良好的纳米碳酸钙 ,并用TEM和XRD对产物粒子进行了表征。

    Ultra fine needle like calcium carbonate particles were successfully synthesized by high gravity reactive precipitation in a rotating packed bed (RPB).

    采用超重力反应结晶法 ,在旋转填充床 (RPB)反应器中 ,以Ca(OH) 2 /CO2 为反应物系 ,MgCl2 作为晶形控制剂 ,在较短时间 (约 1h)内合成出了平均短轴为 80~ 2 0 0nm、长径比为 12~ 2 0且短轴及长径比分布较窄的微细针状碳酸钙 ;利用TEM、电子衍射、XRD、TG DTA等手段对产品进行了表征。

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