superficial surface
2.Outside acting on liquid, uses the force that liquid superficial area reduces , is called liquid surface tension.
3.② By using endoscopy,focal erythema and friable appearing mucosa were observed in 7 cases (21.2 %),increased nodularity in 12 cases (36.4 %),decreased mucosa vascularity and multiple superficial erosions in 10 cases (30.3 %) and frank ulcerations with surface exudates in 4 cases (12.1 %). Rectum (24 cases, 72.7 %) and sigmoid colon (28 cases,84.8 %) were the most frequently involved.
4.SnBu_4 could react with superficial hydroxy group of Pt/HY molecular sieve,to result selective and quantitative grafting of SnBu_3 fragments onto surface of molecular sieve supercages without deteriorating crystalline structure of the latter.
5.The optical coefficients are determined by fitting ATR spectra with results of theoretical calculations. A superficial layer will cause a shift and broadening of the ATR spectrum for the bare metal surface. Under experimental conditions presented in this paper superfical layers as thin as <5A could be measured.
6.The author of the paper preliminarily inquires into the effect of gas velocity, superficial liquid velocity, static bed height, density of packing ball, and the area of a single packing ball surface on the pressure drop across the bed, height of bed expansion, outlet co_2-content, desorption efficiency, and the mass transfer coefficient K_L.
7.IR, DTA, TG, XRD, TEM, BET and XPS indicated that the photocatalytic activity of TiO2 was related with crystal type, crystal degree, particle size, surface area and superficial hydroxyl.
8.Under such circumstances, the unique and innovative ideas that creativity requires, as well as the grasp of new ideas and new situations, are all difficult to come by. They require the full understanding of the problem, sometimes from the surface to its core, from a superficial knowledge to a comprehensive understanding.

