化学发光

In the present paper,ZnS:Ag nanoparticles were prepared with simple chemicals by hydrothermal method.XRD patterns indicated that the products have cubic zinc blende crystal structure.

以简单的化学试剂和实验过程，采用水热法制备出ZnS：Ag纳米发光材料。X射线衍射结果表明，产品均为结晶良好的ZnS立方闪锌矿结构。

CeO2 is a cheap and of use wide material, it is used in optical materials. polishing agents. ultraviolet absorption materials. the cleaning catalyst of car waste gases. chemical decolorant of glass. radiation-resisting glass. permanent magnet. electronic ceramics etc. After it becomes nanoparticle, it will show some new properties and applications. For example, CeO2 nanocrystal is a better promoter of Cytochrome C and the stabilizer of Zr02 ceramics.

CeO_2是一种廉价而用途极广的材料，如用于发光材料、抛光剂、紫外吸收材料、汽车尾气净化催化剂、玻璃的化学脱色剂、耐辐射玻璃、永磁体、电子陶瓷等，纳米化后将出现一些新的性质及应用，如CeO_2纳米晶是细胞色素C的良好的促进剂，还用于ZrO_2陶瓷的稳定剂。

CeO22 is used as optical materials, polishing agents, ultraviolet absorption materials, the cleaning catalyst of cars waste gases, chemical decolorant of glass, radiation-resisting glass permanent magnet, electronic ceramics etc. If it is processed into nanoparticles, it will exhibit some novel properties led to varied applications.

CeO_2是一种廉价而用途极广的材料，如用于发光材料、抛光剂、紫外吸收材料、汽车尾气净化催化剂、玻璃的化学退色剂、耐辐射玻璃、永磁体、电子陶瓷等，其纳米化后将出现一些新的性质及应用，如ceOZ纳米晶是细胞色素C的良好的催进剂，还用作zro：陶瓷的稳定剂，由于ceo：折射率高，稳定性好，常用于制备减反射膜等。

Based on LSER method, the relationship between the acute toxicity of 26 substituted aromatic compounds on Photobacterium phosphoreum, Daphnia magna and fathead minnow and their theoritical solvatochromic parameters, the high correlation were found, it provided an example to introduce the quantum chemical parameters into QSAR study.

以线性溶剂化能相关理论为基础，利用理论溶剂化参数分析了26种取代芳香化合物对呆鲦鱼、发光菌和大型蚤的急性毒性，为成功地将量子化学参数引入QSAR研究探寻了一条新路。

More : current, electrical current, current flow, electricity, electrorheograph, galvanism, galvanic current, currents

定向流动的电荷。电流通过导体会产生热效应、磁效应、化学效应、发光效应等。②指电流强度。

At the same time seventeen normal ampullary oviducts during mid-secretory phase were included as control group. The routine two-step immunohistochemical technique was performed.

采用电化学发光法检测术前血β-HCG及免疫组织化学二步法测定各组标本中VEGF的表达，根据阳性率和表达强度进行组织化学评分和相关性分析。

①Rat MSC and VSMC were cultured and identified, respectively. MSC were labeled with DAPI firstly, and then co-cultivated with VSMC. The changes of morphology and ultrastructure of co-cultured cells were observed. Immunfluorescence analysis was performed by using monoclonal antibodies against specific antigen.②We established the regulatable system in two steps: a stable MSC line expressing rtTA has been constructed and characterized firstly by transfected with pUHD 17-1hyg and then selected by hygromycin B; in a second step, this line was used for trandfer the AT2R gene to MSC to get the well establishing double stable MSC lines;③The expression of AT2R regulated by doxycycline was evaluated by western blot;④The MSCs were transduced into rat carotid arteries with regulatable AT2R gene after the establishment of rat carotid balloon injury restenosis model. The intimal/medial area ratio were measured by digital analysis system.

研究方法：(1)密度梯度离心法及胶原酶消化法分别培养原代大鼠MSC及VSMC，细胞共培养并行免疫荧光化学染色和透射电镜观察超微结构；(2)组成受Dox调控的哺乳动物表达系统的四种成分的转化、扩增及提纯并酶切鉴定；(3)采用常规分子生物学方法连续两个回合转染体外培养的MSC，并分别采用发光计检测不同细胞克隆萤光素酶活性改变以及RT-PCR方法检测AT2R目的基因mRNA表达情况，根据各个细胞克隆受Dox调控表达的程度，选择低背景、高诱导表达AT2R的细胞系，作为双重稳定MSC细胞系；蛋白免疫印迹法观察该细胞系在Dox调控下AT2R表达的时相性、持续性及在不同浓度Dox调控下的表达情况；(4)建立大鼠颈动脉球囊损伤动物模型，将双重稳定MSC在术中导入血管，分别于14 d、28 d进行病理切片，检测可调控AT2R对新生内膜增生的影响；采用RT-PCR免疫组织化学免疫荧光等技术观察AT2R基因在新生内膜中的表达以及细胞外基质成分表达的改变，TUNEL法检测血管组织中细胞凋亡的变化情况。

We note from the further studies that in the crystals, which sharing the similar crystal structures and coordinational environments, the magnitude of the Stokes shift of the luminescence of the dopant ion is in line with the average covalency of the replaced lattice site. This is because that the nature of Stokes shift is the energy transfer from the luminescent ion to the host lattice. The value of this energy is determined by the frequency of the host lattice in which the frequency is controlled by the chemical bond characters.

更深入的研究发现，在晶体结构和中心离子配位环境非常相似的系列晶体中，掺杂离子发射光的Stokes位移值与其所取代格位的平均共价性成正比的关系，这是由于Stokes位移的本质是发光离子在发光过程中向基质以光波辐射的形式传递能量，这一能量的大小是由基质的振动频率决定的，而基质的化学键性质恰恰决定着基质的振动频率。

The β-ditones and the match thing of its derivatives be the mufti-functional materials in the metals organic LCD, the extract reagent, chemical shift reagent and the defend false material, etc. have already caused the widespread interesting. Recently, it is discovered thatp-ditones compounds have Photoluminescence and Electroluminescence flaring dual properties, can also take place the certain interaction with gene, and have good applied foreground to the development of the new mufti-functional materials.

一二酮及其衍生物的配合物作为新型多功能材料在金属有机液晶、萃取试剂、化学位移试剂、防伪材料等方面己引起人们普遍的重视，近年又发现该类化合物同时具有光致发光及电致发光的双重性，还可以与基因发生一定的相互作用，对新型多功能材料的开发具有良好的应用前景。

The β-ditones andthe match thing of its derivatives be the mufti-functional materials in the metalsorganic LCD, the extract reagent, chemical shift reagent and the defend false material, etc.have already caused the widespread interesting. Recently, it is discovered thatp-ditonescompounds have Photoluminescence and Electroluminescence flaring dualproperties, can also take place the certain interaction with gene, and have good appliedforeground to the development of the new mufti-functional materials.

一二酮及其衍生物的配合物作为新型多功能材料在金属有机液晶、萃取试剂、化学位移试剂、防伪材料等方面己引起人们普遍的重视，近年又发现该类化合物同时具有光致发光及电致发光的双重性，还可以与基因发生一定的相互作用，对新型多功能材料的开发具有良好的应用前景。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。