Preparation of Magnetic Chitosan Nanoparticles and Immobilization of Laccase
使不能调动，为 ABTS 的免费紫胶大小写是在磷酸盐缓冲区的 140.6 和 31.1 μM (0.1 M， pH 3.0 ) 在 37 ° C 分别地。使不能调动的紫胶案例基于紫胶案例催化作用是生物传感器的研究和发展的一个好候选人。
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Research and development of 780 MPa cold rolling TRIP-aided steel
作为一个工业大学合作社工程，试验性的研究被进行在一些处理参数根据工厂生产线的实际条件被预先的条件下面与 780 MPa 的张力的力量和 25% 的延伸开发新滚动寒冷的导致转变的粘性(旅行) 钢。为获得优秀力量韧性的最佳的热处理条件平衡，明确地在内部批评退火温度和等温的处理温度，借助于热模拟测试被调查。最终，理想的机械性质成功地被达到，并且微观结构和保留的奥氏体稳定性被光显微镜学(OM ) 和电子 back-scattered 衍射(EBSD ) 学习。保留的奥氏体谷物的尺寸在他们附近与碳清楚的空间(铁酸盐和 bainite ) 的尺寸通常成正比，这被发现了，并且在他们在压力紧张下面的转变序列有显著选择。
CHEMOSTRATIGRAPHIC CORRELATION OF SEDIMENTS CONTAINING EXPANDABLE CLAY MINERALS BASED ON ION EXCHANGE WITH Cu(II) TRIETHYLENETETRAMINE
Copper(II) triethylenetetramine (Cu(trien)) 2+ is an agent suitable for the 1-step determination of the cation exchange capacity (CEC) of many geomaterials using a procedure much less laborious than other, commonly used methods. It is also suitable for the determination of the composition of original exchangeable cati…
Hydrothermal synthesis of Mn-Zn ferrites from spent alkaline Zn-Mn batteries
有 12 nm 的粒子尺寸的 Nanocrystalline MnZn 铁酸盐(Mn0.6Zn0.4Fe2O4 ) 用花的碱的 ZnMn 电池热水地被综合，并且由影响因素的研究伴随了。nanocrystals 被粉末 X 光检查衍射(XRD ) 为水晶的阶段鉴定检验，并且为谷物形态学扫描电子显微镜学(SEM ) 。在 Fe (II ) 的集中之间的关系， Mn (II ) ，和 Zn (II ) 和 pH 价值通过 Fe (II ) Mn (II ) Zn (II ) NaOHH2O 系统的热力学的分析被获得。结果证明所有离子在 1011 的 pH 价值完全被猛抛。最佳的准备条件是：10.5 的一起沉淀 pH， 200 的温度？？
Catalytic Oxidation of Chlorobenzene on Composite Oxide Pd/M_3AlO(M=Mg,Co,Ni,Cu,Zn) Catalysts Derived from Pd-Contained Hydrotalcite Precursors
A series of Pd-containing hydrotalcite precursors(M3Al-HT) with different M2+(M=Mg,Co,Ni,Cu,Zn) ions were synthesized by a co-precipitation method.Pd/M3AlO catalysts were derived from these hydrotalcite-like compounds by calcination.X-ray Diffraction(XRD),thermogravimetry-differential thermal gravimetry(TG-DTG),N2 ads…
Damage Evaluation Using Magnetic Properties in Stainless Steels under Biaxial Stress
Various stainless steels were investigated to examine the new NDE technique. The new NDE technique did not depend on either magnetization or demagnetization of materials. The magnetic flux caused by stress concentration in stainless steels was examined with the ultra sensitive magnetic flux density meter. Tensile and…
Modeling the oxidative coupling of methane： Heterogeneous chemistry coupled with 3D flow field simulation
在泰坦上的甲烷(OCM ) 的氧化联合吃了 perovskite 催化剂被结合的流动地的三维的数字模拟开发了热转移以及异构的运动模型。反应被假定在煤气的阶段并且在催化表面上发生。运动的率常数试验性地用十个步骤被获得运动模型。模拟结果与 OCM 实验的数据同意相当好，它被用来氧化联合在在甲烷获得的选择和变换上调查温度的效果进程。线性地与温度和 C2 的选择增加的甲烷的变换在 973 1073 K 的温度范围实际上是不变的。学习证明 CFD 工具使甚至为象 OCM 那样的高发热的反应实现异构的运动模型可能。
Influence of potassium pyrophosphate in electrolyte on coated layer of AZ91 Mg alloy formed by plasma electrolytic oxidation
在血浆上的电解质的钾焦磷酸盐的效果为 AZ91 Mg 合金的电解氧化(PEO ) 过程被调查。形态学和 AZ91 Mg 合金上的涂层层的化学作文被评估，腐蚀电阻被 potentiodynamic 极化分析也估计。从洗澡 2 涂的 AZ91 Mg 合金上的涂层层为 360 s 包含钾焦磷酸盐的 0.03 mol/L 展出了更加稠密的结构并且包含了 11%18%( 集体部分) 磷。更高的内容从洗澡 2 涂的涂层层磷能在氧化物层的底部被检测，它强烈暗示磷的离子可能在障碍层被集中。增加的 AZ91 Mg 合金和腐蚀水流密度的涂层层的腐蚀潜力与增加钾焦磷酸盐的集中减少了。从洗澡 2 涂的 AZ91 Mg 合金的涂层层的极化电阻(Rp ) 是…
Synthesis and crystal structure of sodium praseodymium polyphosphate, NaPr（PO3）4
Na2CO3， Pr6O11 和 H3PO4 的反应给了钠镨 polyphosphate NaPr (PO3 ) 4。标题混合物与 a=0.9965 (4 ) 在单斜晶的 P21/n 空间组结晶 nm， b=1.31437 (4 ) nm， c=0.72271 (3 ) nm， =90.429 (3 ) 吗？
Self-assembled monolayers of stearic imidazoline on copper electrodes detected using electrochemical measurements, XPS, molecular simulation and FTIR
imidazoline 禁止者的一种类型作为原料用硬脂酸和 diethylenetriamine (DETA ) 被综合。硬脂的 imidazoline (IM ) 的自我装配的单层(SAM ) 在铜表面上被准备。IM 修改的铜电极被电气化学的阻抗检测光谱学(EIS ) ， Tafel 极化曲线， X 光检查光电子光谱学(XPS ) 和 Fourial 转变思考光谱学(FTIR ) 。为 IM 的铜腐蚀的最大的抑制效率根据 EIS 结果在 NaCl 答案是 99% 。XPS 结果提供了 IM 在铜表面上被吸附的证据。分子的模拟的理论计算支持了试验性的结果并且证明 IM 分子在一个角度被倾斜到铜表面。
Synthesis and characterization of nano/microstructured crystalline germanium dioxide with novel morphology
的形态学之上的反应时间，反应物的集中，反应温度和分散剂的效果被调查了。产品被 X 光检查检测衍射(XRD ) ，原子力量显微镜(AFM ) ，扫描电子显微镜(SEM ) 和传播电子显微镜(TEM ) 。新奇跨 like 结构被把 n-butylamine 用作分散剂获得。跨 like 结构的形成被讨论了， solution-liquid-solid (SLS ) 机制被建议。
Studies on Deterioration Process of Organic Coatings Using EIS and SKP
Deterioration process of the organic coatings on carbon steel substrate during exposure to 3.5% NaCl solution was investigated using the electrochemical impedance spectroscopy(EIS) and scanning Kelvin probe(SKP).According to the EIS and SKP responses,the entire deterioration process can be divided into three main stag…
Electronic structure of the SrAl2O4：Eu^2＋ persistent luminescence material
锶铝酸盐的电子结构(SrAl2O4 :Eu2+) 材料被学习与一联合试验性、理论的途径。当非优化、优化的水晶结构的电子结构被使用密度理论上调查时， UV-VUV 同步加速器放射在试验性的学习被使用功能的理论。象和 Eu2+ 4f7 8S7/2 地面状态的位置的材料的乐队差距精力一样的原子价和传导乐队的结构是计算的。计算乐队差距精力(6.4 eV ) 与 6.6 eV 的试验性的价值同意了很好。而锶的传导乐队的底部说，原子价乐队主要由氧状态组成了。与试验性的结果一致， Eu2+ 的计算 4f7 8S7/2 地面状态躺在主人的精力差距。4f7 地面状态的位置取决于库仑排斥力量。关于原子价和传导乐队的 4f7 地面状态的位置用可得到的理…
Effects of electrolytes variation on formation of oxide layers of 6061 A1 alloys by plasma electrolytic oxidation
血浆电解氧化(PEO ) 进程被执行有或没有钠 fluorosilicate 在象硅酸盐和铝酸盐答案那样的四种电解质在 6061 铝底层上生产陶器的层。PEO 过程在混合电压下面被执行(260 V DC 与 200 V 结合了， 60 Hz 交流振幅) 在为 5 min 的房间温度。作文，微观结构和对待 PEO 的层的元素分发分析被 XRD 和 SEM 与版本执行生长机制，元素分发和氧化物层的性质上的电解质内容的效果被学习。在铝酸盐答案产生的层在硅酸盐答案比那些显示出更光滑的表面，是明显的。而且，氟的符号离子的增加能有效地控制层孔；因此，它能提高层的性质。
Hydrothermal synthesis of Y(OH)3, Y(OH)3:Eu3+ nanotubes and the photoluminescence of Y(OH)3:Eu3+,Y2O3:Eu3+
The phase and morphology transformation during the hydrothermal treating process of Y2O3 was evaluated with X-ray diffcrcnce (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), particle size and specific surface area determination.The results showed that the cubic Y2O3 did not transfer i…
Growth, structure, and optical properties of a congruent melting oxyborate,Bi2ZnOB2O6
A single crystal of Bi2ZnOB2O6 has been grown with sizes up to 18×13×6 mm3 by the top-seeded growth method for the first time with high quality. It crystallizes in the orthorhombic system, space group Pba2 with unit-cell parameters a = 10.8200(7) A˚, b = 11.0014(7) A˚, c = 4.8896(3) A˚, Z = 4, V = 582.03(6) A˚3. Bi2Zn…
Energy transfer via cooperative upconversion between Er3+ ions in a tellurite glass
Erbium-doped tellurite-based glasses with compositions of TeO2-ZnO-Na2O(TZN)and TeO2-ZnO-La2O3(TZL)are prepared, and fluorescence properties of Er3+:4I13/2→4I15/2 transition have been investigated as a function of erbium-doping concentration. It is found that fluorescence intensity decreases evidently with increasing…
Anomalous thermoelectric power of overdoped Bi2Sr2CaCu2O8 superconductor
All the samples possess single-phase character and their superconducting transition temperatures (TcR = 0) are 85, 90, and 72 K, respectively for Bi2212-MQ, Bi2212-N2, and Bi2212-O2. Though the Bi2212-MQ and Bi2212-N2 samples are in near optimum doping regime, the Bi2212-O2 is an overdoped sample. TcS = 0 values obtai…
Preparation and characterization of 3-aminopropyl- triethoxysilane grafted montmorillonite and acid-activated montmorillonite
3-aminopropyltriethoxysilane grafted montmorillonites 在乙醇水混合与 montmorillonite，激活酸的 montmorillonites 和 3-aminopropyltriethoxysilane 被综合。产生产品用 Fourier 变换被调查红外线(FTIR ) 光谱学， X 光检查衍射(XRD ) ， thermogravimetric (TG ) 。XRD 模式证明矽烷被设置进 montmorillonite 画廊，由增加基础间距显示了。这些设置的 silanes 可能在 montmorillonite 和激活酸的 montmorillonites 夹层空格以内…
The Development of Winter Working Clothes for Stock Farming Worker
This study was to develope the functional work clothing for livestock farmers. Major demanding performances for livestock work clothing are anti-soil and anti-bacterial properties. On surveys, functional fabrics that have anti-soil, anti-bacterial and waterrepellent performances were developed and the work clothing th…