针状晶体

产品外观为黄白色细针状晶体，无味。

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

采用Si粉直接氮化的方法制备氮化硅针状晶体。

Elongated silicon nitride grains are prepared through nitridation process of silicon powders directly .

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。

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

自然骨的主要无机矿物成分为纳米羟基磷灰石[Ca10（PO4）6（OH）2，HAp]针状晶体。

The major inorganic component of natural bone is hydroxyapatite ( Ca 10 ( PO4 ) 6 ( OH ) 2 , HAp ) nanocrystals .

显微观察表明β-CD为斜方片状晶体，化合物RS为针状晶体，β-CD-RS包结物呈不定形，证实了β-CD-RS包结物的形成。

Microscopic examination shows that β - CD is orthorhombic crystal , and compound RS is needle-like crystal and β - CD-RS inclusion complex is irregular that proves the formation of β - CD-RS inclusion complex .

低CaO含量玻璃在大量析晶之前基本烧结，由于表面效应在玻璃颗粒表面诱发β－硅灰石晶体，并由表及里长大为针状晶体。

The particles of low CaO content glasses were completely sintered before the glasses heavily crystallized , and the needle shaped wollastonite crystals formed first from the edges of glass particles and then grew towards the centers .

UV-M图像分析系统和电镜观察结果表明，包合物微观形态存在菱形晶体和针状晶体。

The micro morphology of microcapsule was rhombus and pin crystals observed by UV-M optical microscope and SEM .

实验表明，非晶SnO2在200℃下是稳定的，高于200℃开始逐步晶化，在电子和γ-射线辐照下会生长出SnO2针状晶体或晶须。

It is found that noncrystalline SnO_2 is stable below 200 ℃ and is crystallized gradually over 200 ℃ . Needle-like SnO_2 crystal and whisker could be grown from noncrystalline SnO_2 under irradiation of electron beam and ~ ( 60 ) Co γ - ray .

超导相为针状晶体。

The superconducting phase is needle - like crystal .

薄膜水溶液系统中针状晶体生长时液膜周期振荡的实时研究

In-situ Observation of Surface-Tension-Induced Oscillation of Aqueous Solution Film in Needle-like Crystal Growth

高钙组鸡尿沉渣中以针状晶体较多；

The urinary deposit of high calcium group showed large amount of crystals of needlelike .

生长出毫米级透明晶体和厘米级针状晶体。

The transparent crystals of millimeter dimension and centime - ter needle shaped crystals have been grown successfully .

动物体内以羟基磷灰石为主要化学成份的纳米级针状晶体均匀地分布在胶原蛋白基质中，与纤维原细胞一起构成了骨骼及其组织。

Hydroxyapatite is the main inorganic component of bone and nano-scaled hydroxyapatite is found to disperse within the collagen matrix .

认为：硬硅钙石针状晶体是平衡反应的最终产物，在适当的温度、压力下，经过一定的反应时间就能生成。

The results were as follows : the needle crystal of xonotlite was controlled by reaction temperature , pressure and time .

电子显微镜观察表明，混浊颗粒主要是原生质粒、细胞壁碎片、油滴和橙皮苷针状晶体。

Electronic micrographs show that the cloud consists of protoplasma , cell wall fragments , oil drops and needle-like crystals of hesperidin .

结果表明，涂料的活性化学物质渗透进入混凝土内部，与混凝土基体发生化学作用生成不溶针状晶体。

The results indicate that reactive ingredient of the paint penetrated into the internal part of concrete reacts with cement matrix to produce insoluble needle-like crystal .

结果水化产物主要为羟基磷灰石，形成的针状晶体在纳米尺度，抗折强度为8.20MPa，气孔率为45.8%。

Results The main setting reaction product was hydroxyapatite , with crystals in nano size . The material fracture strength was 8.20 MPa and porosity was 45.8 % .

凹凸棒石粘土是一种纤维状或针状晶体结构的稀有天然粘土矿物，特殊的晶体结构和表面特征使其具有优良的吸附性、流变性、热稳定性、催化性、填充性。

Attapulgite shows good performance of adsorption , rheology , thermal stability , catalysis , and filling performance , as a fibrous or needle-like crystal structure of the rare natural clay minerals due to its special crystal structure and surface characteristics .

这种纳米针状HA晶体与自然骨中的HA晶体在组成、结构、结晶度和形貌方面有十分相似之处。

Those HA were similar to the natural bone apatite in composition , morphology , crystallinity and shape .

结果表明，水热产物为表面生长了细小锐钛矿TiO2颗粒的纳米针状羟基磷灰石晶体，针状晶的长度约为50-90nm，直径约为10-20nm，表面的细小锐钛矿颗粒大小约为5-10nm。

The results show that nee - die-liked hydroxyapatite is formed with some granules of TiO2 , identified as anatase , on its surface . The hydroxyapatite crystals are about 50-90 nm in length and the TiO2 granules are about 5-10 nm .

含部分碳酸根的针状羟基磷灰石晶体的均相合成

The Preparation of Needle-like Carbonate-containing Hydroxyapatite Crystals by Homogeneous Precipitation Method

纳米针状羟基磷灰石晶体的常压水热合成研究

Study on the Synthesis of Needle-like Nanohydroxyapatite Crystals at Ambient Pressure

选用可溶性的硝酸钙和磷酸氢二铵，在尿素用作添加剂的条件下用均相沉淀法合成了含部分碳酸根的针状羟基磷灰石晶体。

Calcium nitrate 4 hydrate and diammonium hydrogen orthophosphate are selected as initial materials ; needle like carbonate containing hydroxyapatite crystals are synthesized by homogeneous precipitation method with urea is used as additive .

当添加2.0%的Fe2O3后，大量均匀细小的针状氟云母晶体和块状FeFeO4晶体析出；

While Fe_2O_3 with the mass fraction of also 2.0 % is incorporated to the glass , the needle-like fluormica crystals and the bulk-like FeFeO_4 phases as major phases are precipitated .

大尺寸单针状氧化锌晶体的制备及生长机理

Preparation and Growth Mechanism of Large Single Spiculate ZnO

针状羟基氧化铁晶体的成核与生长

Nucleation and Growth of the Needle-like Goethite Crystals

Zn2+的加入，对针状α-FeOOH晶体的生长可以起到细化晶粒、提高长径比的作用；

Adding some Zn2 + could increase the aspect ratio of crystalline α - FeOOH ;

这种化合物本应构成晶体的核心。针状羟基氧化铁晶体的成核与生长

The compound ought to form centers for crystals . Nucleation and Growth of the Needle-like Goethite Crystals

用水热法制备出结晶度高、纯净均一的针状羟基磷灰石单晶体。

The needle like hydroxyapatite single crystals with high crystallinity were prepared by homogeneous precipitation method under hydrothermal condition .

高钙高蛋白组鸡尿沉渣中针状及球状晶体含量相当。

Urinary deposit of high calcium and high protein groups showed large amount of crystals of needlelike and scattered spheres structure .