1) needle ice
针状冰
3) needle-like
针状
1.
Morphology control of needle-like magnesium hydroxide nanoparticles;
针状纳米氢氧化镁的形貌控制
2.
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
3.
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
4) Needle
[英]['ni:dl] [美]['nidḷ]
针状
1.
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。
5) acicular
[英][ə'sikjulə] [美][ə'sɪkjʊlɚ]
针状
1.
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。
2.
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。
3.
The acicularγ-FeOOH crystal was prepared by the liquid phase deposition-aerial oxidation method using FeCl_2 as raw materials.
本文以FeCl_2为原料,采用液相沉积-空气氧化法中的两步法制备了针状γ-FeOOH,分别讨论了晶种制备阶段反应温度和碱比(nOH-/nFe~(2+))及晶种长大阶段反应温度和碱液滴加速率对产物的组成、形貌和晶体结构规整程度的影响,并对比研究了γ-FeOOH和α-FeOOH的热行为。
6) acicular A
针状A
1.
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。
补充资料：联苄基针状晶体
分子式： C6H5CH2CH2C6H5
CAS号：
性质：又称联苄基针状晶体。熔点52.2℃。沸点285℃。相对密度0.9583。折射率1.5478。不溶于水，可溶于乙醇、乙醚。化性与烷基苯相似。取代反应既可发生于苯环，也可发生于脂链。如在醋酐中用硝酸硝化，得到苯环上2位和4位硝基取代物。如果两个苯环对应都未被占据，则可以酰基化。用铬酸氧化得苯甲酸。500℃热解得1,2-二苯乙烯。以氯苄为原料经武尔茨反应合成。或以苯和1,2-二氯乙烷为原料经烷基化反应制备。用作有机合成试剂。
CAS号：
性质：又称联苄基针状晶体。熔点52.2℃。沸点285℃。相对密度0.9583。折射率1.5478。不溶于水，可溶于乙醇、乙醚。化性与烷基苯相似。取代反应既可发生于苯环，也可发生于脂链。如在醋酐中用硝酸硝化，得到苯环上2位和4位硝基取代物。如果两个苯环对应都未被占据，则可以酰基化。用铬酸氧化得苯甲酸。500℃热解得1,2-二苯乙烯。以氯苄为原料经武尔茨反应合成。或以苯和1,2-二氯乙烷为原料经烷基化反应制备。用作有机合成试剂。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条