化学性质

因此获得化学性质稳定和发光性能优异的荧光粉成为实现白光LED的关键。

Therefore , it is important to obtain phosphor powder with stably chemical property and excellent illumination performance .

与其它半导体相比，TiO2具有化学性质稳定、无毒且成本低的优点，是优良的光催化材料。

Comparing to other semiconductor photocatalysts , TiO2 shows many advantages , such as steady chemical property , nontoxicity and low-cost .

这些不同的晶面，具有很不相同的化学性质，特别是对化学腐蚀剂的反应不一致。

The chemical properties of these surface differ considerably , particularly in their reaction to etchants .

碳的同素异形体包括金刚石、石墨和木炭，所有这些物质都具有相同的化学性质。

The allotropes of carbon include diamond , graphite and charcoal , all with the same chemical properties .

为了更好地了解淤泥在水泥处理前后的物理化学性质变化，做了X射线衍射试验。

X ray Diffraction analyses are performed to establish the mineralogical changes following treatment .

结论：CT能准确预测胆石的化学性质和形态特点。

Conclusion : CT scans can predict the chemical composition and character of gallstones accurately in vitro .

C（60）是碳的一种新的同素异形体，具有高度对称的结构和独特的物理化学性质，引起了广大科学工作者的极大兴趣。

C_ ( 60 ) is an allotrope of carbon , which shows a high symmetrical structure and excellent properties .

本文测定了牛肝大分子RNA在加酸变性过程中的一些物理化学性质的变化。

Some physico-chemical properties of beef-liver high-molecular-weight RNA during acid denaturation were studied in 0.05M NaCl .

金纳米粒子特殊的物理及化学性质使其在化学、生物、医学等领域有广泛的用途，尤其在DNA检测中有重要的应用价值。

Peculiar physical and chemical properties of gold nanoparticles make them have wide applications in fields of chemistry , biology and medicine , especially in DNA detection .

材料的结构以及化学性质经TEM，XRD，FT&IR和氮气吸附来表征。

The structural and chemical properties of these prepared materials were characterized by TEM , XRD , FT-IR and nitrogen adsorption .

土壤化学性质表现为：Al3+水解产生大量H+，降低了水田湛水层和土层的pH值；

The soil chemistry nature performance is Al ~ ( 3 + ) hydrolyzed and produces massive H ~ + , pH of water and soil reduced ;

目的制备全反式维甲酸（RA）的立体稳定脂质体，初步研究其物理化学性质。

AIM To prepare sterically stabilized liposomes containing all trans retinoic acid , and to study its physicochemical properties .

聚丙烯（PP）由于其低密度和出色的物理化学性质在汽车轻量化发展中扮演着非常重要的角色。

Polypropylene plays a vital role in the development of lightweight vehicles due to its low density and excellent physical and chemical properties .

由于SDS与酪蛋白胶束之间强烈的疏水作用，SDS的加入导致酪蛋白胶束的物理化学性质发生明显变化。

The hydrophobic interaction between SDS and casein micelles leads to important changes in physicochemical parameters of casein micelles .

同其它半导体材料相比，AlN具有很多优良的物理与化学性质。

Compared with other semiconductors , AIN has a number of outstanding physical and chemical properties .

采用BET法和红外光谱法测试了3种方法处理的碳的孔隙结构和表面化学性质。

The pore structure and surface characteristics of the carbon materials were studied in detail by means of the method of BET and IR .

用循环伏安法和光电流～电势曲线研究了介电限域效应对α－Fe2O3超微粒子电化学及光电化学性质的影响。

The effect of dielectric confinement on the electrochemical and photoelectrochemical properties of α - Fe_2O_3 ultrafine particles was investigated by using cyclic voltammetry and photocurrent measurement .

经计算以及对结果的分析表明，考虑溶剂效应的计算结果才能符合真实生物环境下ATP分子的物理化学性质。

It is showed that , computation results considered the solvent effect are in according with physical chemistry characters of ATP in real biologic environment .

采用气相反相色谱技术（IGC）研究了端羟基聚丁二烯（HTPB）粘合剂的表面物理化学性质。

The surface physicochemical properties of hydroxyl terminated polybutadiene ( HTPB ) were studied by means of inverse gas chromatography ( IGC ) .

本文系统地研究了2.7NaF·AlF3（7wt%CaF2）Al2O3Ymm2O3~熔体的一系列物理化学性质。

This paper studies systematically the physicochemical properties of 2.7NaF · AlF_3 ( 7wt % CaF_2 ) - Al_2O_3-Ymm_2O_3 melt .

Li2SO4-EtOH-H2O体系25℃气-液-固平衡和液相物理化学性质的研究

Studies on the vapor-liquid equilibrium and properties of physical chemistry in liquid phase for the ternary system li_2so_4-etoh-h_2o at 25 ℃

TiO2具有化学性质稳定、氧化-还原能力强、抗光腐蚀、无毒及成本低而被应用到各种光催化氧化过程。

Titanium dioxide is used in various photocatalysis and oxidation processes because of its chemical stability , strong oxidation-reduction ability , high photoetch resistance , non-toxic and low cost .

纳米碳纤维（Carbonnanofiber，CNF）作为一种新型碳材料，因其独特的结构和物理化学性质受到人们的广泛关注。

As a new category of carbonaceous material , carbon nanofiber ( CNF ) has been attracted much attention due to their unique structure and properties .

为了提高其对SO2的吸附效率及催化性能，往往需要对活性炭的孔隙结构进行调整或改变其表面化学性质。

In order to improve its adsorption efficiency and catalytic ability for SO 2 , it is necessary to adjust AC 's porous structure and change its surface chemical properties .

方法对34例LASIK后角膜异物，根据异物的大小、化学性质、嵌入角膜的深浅、所引起角膜与前房的反应情况及LASIK后时间的长短，给予不同处理。

Method Thirty four cases of corneal invader after LASIK were treated with different methods based on their different sizes , chemical characters and positions of invader .

同时通过Zeta电位研究可知，在于细菌细胞作用后，矿物的表面化学性质有一定的变化。

At the same time through the Zeta potential study shows , is that with the bacterial cells action , surface chemical properties of minerals had some changes .

PAI-2及其突变体的生物化学性质

Biochemical Characterization of PAI-2 and Its Mutants

自从1985年发现C60分子以来，C60就以其完美的对称结构，独特的物理化学性质及广阔的应用前景而倍受瞩目。

Since the discovery of the C60 molecule in 1985 , it attracts much attention for its ideal symmetry , unique physical and chemical properties and potential applications .

Yb3+掺杂TiO2纳米粒子光催化氧化活性的提高应归于纳米TiO2的晶相组成、晶粒尺寸、表面化学性质、表面羟基和表面织构特性等因素的综合影响。

The increase in photoactivity is due to the effects of the factors such as crystal phase , crystallite size , surface chemical property , surface density of OH groups and surface texture of the TiO2 nano-powders .

然而锌枝晶和锌电极变形等问题与ZnO的物理化学性质有密切关系，是ZnO/Zn在碱性电解液中的溶解和Zn在反复充放电过程中的电沉积所导致的。

Nevertheless , problems such as Zn dendritic growth and shape change have close relations with physical and chemical properties of ZnO , which results from dissolution of ZnO in alkalinity electrolyte and deposition of zincate during the charge / discharge cycles .