摘要:
The invention relates to a device for adjusting the raised pattern of at least one hyper-spectral image including at least one sensor capable of producing at least one hyper-spectral image in at least two wavelengths, a computing means capable of classifying the pixels of the hyper-spectral image derived from the sensor on the basis of a two-state classification relationship, and a display means capable of displaying at least one image on the basis of the classified pixels from the computing means. The computing means includes a means for adjusting the raised pattern on the basis of at least one reference image.
摘要:
The invention consists of a new method for preparing perfluoroalcanecarboxylic and perfluoroalcanesulfonic acids in which ozone is made to react, in a protic environment, upon a perfluoroalkyl chain comprising at least one oxydizable chemical group.
摘要:
A device for analyzing a hyper-spectral image, comprising at least one sensor able to produce a series of images in at least two wavelengths, a calculation means able to class the pixels of an image according to a two-state classing relation, the image being received from a sensor, and a display means able to display at least one image resulting from the processing of the data received from the calculation means. The calculation means comprises: a means for determining training pixels receiving data from a sensor, a means for calculating a projection pursuit able to effect an automatic division of the spectrum of the hyper-spectral image, and a means for producing a large-margin separation. The calculation means is able to produce data in which the classed pixels are distinguishable.
摘要:
This method for the detection of lesions includes: forming successive images of a surface to be analyzed; generating at least one profile of change as a function of the time of a parameter of the formed images; and comparing at least one generated profile with a lesion detection threshold value.
摘要:
A MFI-based gallosilicate type catalyst is described.The catalyst is characterized by the following composition expressed by weight:a) 0.1 to 99.49% of a matrix,b) 0.5 to 99.99% of a zeolite having the following approximate chemical formula:M.sub.2/n O, Ga.sub.2 O.sub.3, xSiO.sub.2 whereinM represents a proton and/or a metallic cation,n is the valence of said cation,x is a number ranging from 12 to 1,00, the zeolite of MFI structure synthesized in a fluoride medium having a fluorine content ranging from 0.02 to 1.5% by weight incorporated during synthesis.The catalyst is notably used in aromatization reactions of light C.sub.2 -C.sub.4 gases in the presence or not of olefins.
摘要:
The present invention concerns a new decationized, dealuminated and stabilized zeolite of L type, characterized particularly by:a total SiO.sub.2 /Al.sub.2 O.sub.3 molar ratio of at least 8,a potassium content lower than 2.9% by weight,parameters a and c of the elementary mesh respectively lower than 1.836 nm and 0.754 nm,a nitrogen adsorption capacity at 77 K, for a partial pressure P/Ps of 0.19, higher than 11% by weight,a benzene adsorption capacity at 30.degree. C., for a partial pressure P/Ps of 0.25, higher than 8.5% by weight, anda lattice of mesopores whose radii, measured by nitrogen adsorption-desorption at 77 K according to the BJH method, range from 0.8 nm to 20 nm.
摘要翻译:本发明涉及一种新型的分解,脱铝和稳定的L型沸石,其特征在于特征在于:总SiO 2 / Al 2 O 3摩尔比至少为8,钾含量低于2.9重量%,基本网格的参数a和c 分别低于1.836nm和0.754nm,对于分压P / Ps为0.19,高于11重量%,在30℃下的苯吸附容量为77K时的氮吸附容量,对于分压P / Ps为0.25,高于8.5重量%,并且根据BJH方法在77K下通过氮吸附 - 解吸测定的半径为0.8nm〜20nm的中孔的晶格。
摘要:
A method for evaluating skin conditions on a skin area of a user using an ultraviolet light device that can connect to a mobile device and a user input is disclosed. The method for evaluating skin conditions includes the steps of illuminating the skin area of the user with the ultraviolet light device operated by the mobile device, capturing an image of the illuminated skin area with an image capture device, processing the image with a processing program to determine the level of fluorescence on the skin area, and mapping progress of treatment of the skin condition based on the processed image compared to a control image.
摘要:
This method for acquiring and processing data for detecting the change over time of changing lesions includes: successive data acquisitions according to different acquisition methods, so that, at each moment of acquisition, the user forms a set of data obtained according to respective acquisition methods; storage of the acquired data in a database; and displaying the data by selecting and displaying the selected data on a display screen. During displaying an item of data, the user inserts into an image being displayed at least one matching data item extracted from the database.
摘要:
An aluminosilicate type catalyst and its use in the aromatization of a C.sub.2 -C.sub.4 light-gas cut in the presence or not of olefins is described.The catalyst is characterized by the following composition expressed by weight:a) 0.01 to 10% by weight of galliumb) 0.1 to 99.49% of a matrixc) 0.5 to 99.99% of a zeolite having the following approximate chemical formula:M.sub.2/n O, Al.sub.2 O.sub.3, xSiO.sub.2whereinM represents a proton and/or a metallic cation,n is the valency of said cation,x is a number ranging from 12 to 1000, said zeolite having a MFI structure being synthesized, moreover, in a fluoride medium and having a fluorine content ranging from 0.02 to 1.5% by weight incorporated during synthesis.
摘要翻译:描述了一种铝硅酸盐型催化剂及其在烯烃存在与否下切割C2-C4轻质气体芳构化的用途。 催化剂的特征在于以重量计的以下组成:a)0.01至10重量%的镓b)0.1至99.49%的基体c)0.5至99.99%的具有以下近似化学式的沸石:M2 / nO ,Al 2 O 3,xSiO 2,其中M表示质子和/或金属阳离子,n为所述阳离子的化合价,x为12至1000的数,所述沸石具有合成的MFI结构,此外,在氟化物介质中, 其合成中所含的氟含量为0.02-1.5重量%。
摘要:
A MFI-based gallosilicate type catalyst is described.The catalyst is characterized by the following composition expressed by weight:(a) 0.1 to 99.49% of a matrix,(b) 0.5 to 99.99% of a zeolite having the following approximate chemical formula:M.sub.2/n O, Ga.sub.2 O.sub.3, xSiO.sub.2 whereinM represents a proton and/or a metallic cation,n is the valency of said cation,x is a number ranging from 12 to 1000, the zeolite of MFI structure synthesized in a fluoride medium having a fluorine content ranging from 0.02 to 1.5% by weight incorporated during synthesis.The catalyst is notably used in aromatization reactions of light C.sub.2 -C.sub.4 gases in the presence or not of olefins.