acicular

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 results showed that Ti and Ti compound oxides could promote the formation of acicular ferrite, the low temperature toughness of high heat input welding HAZ significantly improved.

结果表明，Ti及Ti的复合氧化物具有促进晶内针状铁素体形核的能力，大热输入焊接时HAZ的低温韧性显著提高。

the state of product is yellow white acicular crystal and insipidity.

产品外观为黄白色细针状晶体，无味。

The acicular and columnar shapes of aragonite crystals are preserved even after aragonite changes into calcite.

文石转变为方解石常保留文石的针状、柱状晶形,并存在于石笋沉积生长的始终.

Study of Welding Thermal Sensitivity on Acicular Ferrite Pipeline Steel

针状铁素体管线钢焊接热敏感性的研究

research and manufacture of acicular constituent ball-iron roll

针状组织球铁轧辊的研制

leaves sessile, alternate, subulate or acicular, base expanded, apex pellucid;

叶无柄，交替，或针状，透明的基部膨大，先端；

A hard supersaturated solid solution of iron characterized by an acicular ( needle-like ) microstructure.

一种以针尖 状 微观结构为特征的铁的硬饱和的固溶体.

The typical microstructure ( Q235): the surface layer is tempered sorbite; the transition layer is pearlite and ferrite, and the partial ferrite is acicular; the core is pearlite and ferrite and the grain fineness is 8~ 10 grade.

钢筋典型的金相组织（Q235）表层为回火索氏体，过渡层为珠光体+铁素体且部分铁素体呈针状，心部为珠光体+铁素体，晶粒度8～10级；

Observation of Acicular Ferrite Formation in the Zr Doped Low Alloy Steel

含锆微合金钢焊接区针状铁素体形成观察

Spheroidal austenite and acicular austenite can be seen during the austenitizing courses at low speed.

慢速加热奥氏体化过程中,观察到球状奥氏体和针状奥氏体.

CPC after hydration was transformed to acicular crystals of hydroxyapatite, spheriform clusters were formed to decrease surface activation energy and reinforce stability of materials.

骨水泥粉体颗粒水化后，转化为细小的羟基磷灰石（HA）针状晶体，构成近似球体的团簇，以降低表面活化能，增加材料的稳定性。

a study on the preparation of acicular crystal of magnesium hydroxide and its crystallization characteristics

针状氢氧化镁的研制及其结晶性能研究

IKO acicular bearing by its special internal structure realization machine design small, lightweight.

IKO针状轴承以其特殊的内部构造实现机械设计的小型 、 轻量化.

description: colorless or white acicular crystal powder with sweet taste, dissolving in water.

性状：无色至白色针状结晶或结晶性粉末，无气味，有甜味，溶于水。

Rasing the let out time, the shape of Ni ( OH)_2/ SiO_2 was changed from acicular to sheet;

同一物相的Ni（OH）2/SiO2随着卸压时间增长，其形貌由针状变化到片状；

application of superfine acicular datolite short-fiber to pa66

超细针状硅灰石短纤维在尼龙66中的应用

Heat treatment temperature influences more obviously on dissolution of acicular iron phase than heat treatment time.

提高热处理温度比增加热处理保温时间的作用更明显。

This paper introduced that horizontal centrifugal casting technology is used to develop the composite acicular spheroidal graphite cast iron collar for tension reducing mill of Baogang pipe mill.

介绍了采用卧式离心铸造技术，试制宝钢钢管轧机使用的复合针状球铁张减机辊环的过程。

beak divided above middle into 2 small, acicular beaks, each with a proximal, lateral, recurved, firm, spine like, glabrous process.

具喙在中部以上全裂分成2小，针状喙，其中每个一下部，侧，下弯，坚固的，刺状，无毛突起。

And the shapes vary to hexagon, tetragon acicular and odd different colors are available.

形状有六角形, 四角形,长条针形和不规则形状,并有多种颜色可供选择.

the effect of proportion of the acicular constituent and carbon content in the acicular constituent on the hardness of the samples is even so obvious.

针状组织数量及针状组织含碳量对硬度影响较大。

The weld metal showed very good toughness at low temperature, and dominant microstructure of acicular ferrite.

结果表明:所研制焊丝的焊缝金属具有优良的低温韧性, 且实现了以得到针状铁素体组织为主的设计目标.

leaves 5-10 mm, margin membranous, apex subulate, with an acicular awn;

5-10毫米的叶，边缘膜质，钻形的先端，具一针状芒；

the characterization of correlation between aspect ratio and isopyknic diameter of wollastonite acicular powder

针状硅灰石颗粒长径比与等体积直径的相关性表征

Matrix is a characteristic of lamellar. The shape of TiB is acicular or fibrous, the shap of TiC is equiaxial or dendritic.

制得的复合材料中基体为具有网篮特征的片层组织，TiC呈等轴状或枝晶状，TiB呈针状或棒状。

Operating under the temperature for wave soldering, Fe and Sn can react and create acicular brittle compound whose major element is FeSn_2. The development of compound is not a balanceable process.

波峰焊工作温度下Fe、Sn能反应生成主要为FeSn2的脆性针状化合物。

The result showed that the microstructure dominated by fine and homogeneous acicular ferrite had the better resistance to SSCC.

结果表明：均匀细小的针状铁素体为主的显微组织具有优良的抗SSCC性能；

Study on the Acicular Ferrite with Basket-Weave Morphology in Deposited Metal

熔敷金属中筐篮编织状针状铁素体组织研究

branchlets black-brown, terete, glabrous or sparsely acicular hirsute, with elliptic lenticels.

小枝黑棕色，圆柱状，无毛或者稀少针状多毛，带有椭圆的皮孔。