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It is characterized by that firstly, preparing silver bromiodide flake microcrstalline emulsion, then utilizing silver halide solution to corrode core of silver bromide to prepare the invented hollow silver bromiodide flake microcrystal whose form is triangle or hexagon and whose surface possesses small holes and pits, and the core of the microcrystal is silver bromide and its external layer is silve bromidiode, its iodine content is 1-10 mol%, and the light sensitivity of the emulsion is greatly raised.

首先制备溴碘化银薄片微晶乳剂，再利用卤化银溶剂使溴化银内核腐蚀，制备成的中空溴碘化银薄片微晶呈三角形或六边形，表面上有小孔和凹坑，微晶的内核为溴化银，外层为溴碘化银，其碘含量为1―10mol％；无论从色盲乳剂，还是经光谱增感乳剂的感光度都有大幅度的提高。

SO〓〓/M〓O〓 solid superacid was applied to the photocatalytic oxidation of organic pollutants for the first time. Porous SO〓〓/TiO〓 solid superacid catalysts with high specific surface area were prepared by sol-gel method. The photocatalytic degradation of bromomethane was used as model reaction. The influence of impregnation with H〓SO〓 solution on the structure of catalysts and their photocatalytic performance was systematically studied by using X-ray diffraction, X-ray photoelectron spectroscopy, N〓 sorption analysis applying BET method, UV-Vis diffuse reflectance spectroscopy, FTIR spectroscopy, O〓-TPD and photocatalytic activity measurement. The acidity of TiO〓-based catalysts was investigated by Hammett indicator method, NH〓-TPD and IR spectra of pyridine adsorbtion. The mechanism of superacidifing effects on photocatalytic performances such as the photocatalytic degradation rate of bromomethane, apparent kinetic constant and apparent quantum efficiency was discussed.The results indicated that SO〓〓 is combined with metal ions of TiO〓 in a chelating bidentate mode.

本文首次将SO〓〓/MxOy型固体超强酸催化剂用于光催化氧化有机污染物研究，采用溶胶-凝胶法制备了具有多孔性和大比表面结构的二氧化钛基固体超强酸光催化剂SO〓〓/TiO〓，以光催化降解溴代甲烷为模型反应，系统地研究了H〓SO〓浸渍处理对催化剂表面酸性及其气相光催化性能的影响，结合XRD、BET、XPS、FTIR、Hammett指示剂法、吡啶吸附红外光谱、NH〓-TPD、O〓-TPD、紫外可见漫反射光谱等多种表征手段，深入地讨论了超强酸化对TiO〓的改性机理，阐明了引起SO〓〓/TiO〓超强酸催化剂光催化降解溴代甲烷的转化率、表观反应速率常数和表观量子效率变化的本质原因。

Based on the associated reactions of bromothymol blue with cationic surface- active agent when put in phosphate buffer solution of pH7.5～8.5 and fades, a new way for determination of cationic surfactant by Spectrophotometric methods was established.

摘 要：基于溴百里酚蓝在 pH7.5～ 8 5的磷酸盐缓冲介质中，与阳离子表面活性剂发生离子缔合反应，而使溴百里酚蓝褪色这一现象，建立了分光光度测定阳离子表面活性剂的新方法。

Surface seawater samples are pumped into a PVC tube enclosing an inner Teflon AF tube, which served as a long pathlength gas-permeable liquid-core waveguide for spectrophotometry. The Teflon cell contains a pH sensitive indicator-buffer solution consisting of bromothymol blue and sodium carbonate.

该传感器采用Teflon AF 2400液芯波导管作为C02选择透过性膜，该液芯波导管同时也是传感器的比色池，我们采用溴百里酚蓝和碳酸钠(Na_2CO_3)溶液为主要成份的pH敏感指示剂作为缓冲溶液。

The surface pressure-area per molecule isotherm of 0.001molL^(-1) arachidic acid chloroformic solution at the air/liquid interface of pure water has been measured, and dynamic domains morphology of AA monolayer has been investigated via Brewster angle microscopy.

测定了花生酸的氯仿溶液在二次蒸馏水气／夜界面的单分子膜的表面张力与单分子面积的等温线，用布儒斯特角显微镜原位监测了花生酸分子成膜过程中单分子膜区域形貌的动态变化。

The force for filtering and backwashing is from water press and pump pressure.The pressure in filtering chamber will keep same.The solution will be filtered out from inner chamber of filtering core.The solid impurity will remain on the inner surface of filtering coThe pressure difference between outer and inner chamber and.filtering resistance will be increase.

该机的过滤和反冲洗推动力均原水压头或泵杨程提供，系统滤腔的压力基本保持恒定，液体从滤芯的内腔向外流动，夹带的固体杂质被截流在过滤介质的内表面，引起内外腔压差升高，过滤阻力逐渐增大。

A dicalcium phosphate dihydrate coating was deposited on the surface of pure magnesium in this solution.

使用液相化学沉积技术在纯镁表面制备了二水磷酸氢钙涂层，并通过在SBF中的浸入腐蚀实验研究了涂层对镁耐蚀性的影响。

A dense CHA layer is formed on the surface of dicalcium silicate coating soaked in SBF solution for 2 days.

硅酸二钙涂层浸泡在模拟体液中两天后，表面被致密的球形磷灰石晶体覆盖，在磷灰石层之下可观察到明显的富硅层。

MPa. A dense CHA layer is formed on the surface of dicalcium silicate coating soaked in SBF solution for 2 days. A silica-rich layer is also observed between the CHA layer and the coating.

硅酸二钙涂层浸泡在模拟体液中两天后，表面被致密的球形磷灰石晶体覆盖，在磷灰石层之下可观察到明显的富硅层。

In this invention polymer electrolyte membrane device is used to electrolyze organic compounds with low decomposition voltage and meanwhile air is input into the anode loop reduce the residence time of intermediate product on catalyst surface, reducing the over-potential in anode reaction, increasing the anodic oxidation rate and maintaining the electrolytic solution potential below 1V, which decreases the power consumption and provides considerable economic benefit.

本发明利用聚合物电解质膜装置电解具有低分解电压的有机化合物，同时，在阳极回路中加入空气，减少电化学反应中间产物在催化剂表面的停留时间，降低阳极反应的过电位，加速阳极氧化速度，使得电解电位始终在1V以下，大大降低了电解制氢的耗电量，节约了能源，预计会有可观的经济效益。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失