Ancient books, the abbreviation of ancient Chinese books, mainly refers to books written or printed before 1912, with Chinese classical binding form. China's invention and development of papermaking and printing have enabled ancient books bearing thousands of years of Chinese civilization to be passed down from generation to generation. China's ancient books are divided into four levels, of which the rare books are divided into three levels, and the generals are divided into four levels. The selection criteria for the precious ancient books catalogues require two or more in principle. They are rare books in rare books, and they are called national treasures. They all have their own A legendary story. Ancient books are a part of civilization. They are the history of the ancestors of many nationalities, written with life and wisdom. They are not renewable and precious. Disappearing means escaping history forever; saving means retaining the memory of the nation and the fire of civilization. These precious treasures are not only specific to the nation, but also the Chinese nation and the world. Chinese ancient books have a long history. If they are improperly preserved in the process of circulation, they will be damaged. In serious cases, there will be problems such as adhesion, embrittlement and flocculation. Some ancient books with serious damage are like “puff pastryâ€. . Through the hands of the ancient restorationists, the ancient books "process the disease", ranging from a few weeks to several months, some ancient books can be restored to a clean and tidy appearance, so that the life of ancient books can be continued and the classics can last forever. The restoration of ancient books begins with the protection of ancient books. The most critical equipment for the protection of ancient books is the input device, the scanner. Only realistic images can be obtained, and in the later image processing and output printing, copies of different needs can be adjusted as needed. The high-precision simulation scanner of the OS12002 series and the OS14000 series, because the scanner is very suitable for simulation copying of single-page files, bound books, unremovable ancient books and other materials; and high precision, fast speed, format Large; the color acquisition level is very delicate, and the level of subtle color difference can be obtained, so there are many domestic applications. The number of OS12002V professional ancient document scanners uses projection-type non-glare cold light source technology to provide extremely sufficient protection for precious ancient books and document digitization. The high-precision true color scanning lens perfectly reproduces the original details of the original, unique 90°. The V-type platen is especially suitable for digitizing precious materials that are bound into a book and cannot be fully opened. It automatically opens the press glass, adaptively adjusts the falling speed and pressure of the V-glass, and protects the literature to the utmost extent. The user-friendly design provides users with the information. A safe, reliable and ergonomic operating environment. Technical Parameters: Description: Top-mounted scanning head, desktop non-contact scanning, suitable for single pages or bound into manuscripts of cultural relics, ancient books, books, newspapers, calligraphy and painting maps. Scan size: 600 (2 x 300) x 450 mm (> 2 x super A3 Manuscript table: The book can be up to 150 mm thick, and the V-shaped table can be adjusted by 90°; the sides of the V-shaped table can be adjusted, the center, the height, and the width of the spine. Scan mode: 42-bit color acquisition | 24-bit color output 14-bit grayscale acquisition | 8-bit grayscale output 1-bit black and white acquisition | 1 bit black and white output Optical resolution: 600dpi Output resolution: 100-600dpi Scanning speed: 3.8 seconds (400dpi) Scanner interface: IEEE1394 FireWire interface Image format: all standard formats, such as TIFF uncompressed, TIFF G4, JPEG, JPEG2000, PDF, multi-page TIFF, BMP, PCS, PNG, etc. Scanning Software: OS12 Scanning Software Image Processing Software (optional): Deskew, Despeckle, Flip, Black Edge, Mask, Sharpen, Bend Correction, Crop, Black and White Scan and Dynamic Threshold. Perfect Book (optional): Dual scanning system, perfect 3D scanning, spine bending correction and automatic document detection. Electrical requirements: 220V/50Hz. Volume (W x Dx H): 1023 x 880 x 1025 mm Massage And SPA Essential Oil Set Ylang Oil,Geranium Oil,Peppermint Oil,Thyme Oil Ji'An ZhongXiang Natural Plants Co.,Ltd. , https://www.jazxnaturaloils.com
