PURPOSE:To make the replacement of a doctor knife unnecessary and prevent a plate also from varying in thickness by installing the doctor knife made of an acidproof material having its Vickers hardness of not less than 1,000. CONSTITUTION:A doctor knife made of an acidproof material having its Vichers hardness of not less than 1,000 is formed by pasting up high-hardness alumina ceramics 5 on gum 3...

This disclosure relates to cooling apparatus for a water-cooled internal combustion engine. The apparatus comprises a centrifugal fan driven by the engine when running, said fan having an intake air port and a discharge air opening. A rotary screen is also driven by the engine, the screen being disposed over the intake air port of the fan and substantially preventing debris from entering the intak...

PURPOSE: To perform the modifying work of a protective barrier without stopping the function of a structure body by forming the protective barrier by use of at least two cell-like ballastable floating structures assembled along the vertical side part of the structure. CONSTITUTION: This protective barrier is formed of two semi-cylindrical elements 3, 4. The positioning of the elements 3, 4 is perf...

PURPOSE:To enable a favorable control at a low cost of equipment by using the orthogonal method for position selection, setting thermometers at the positions decided by the roots of orthogonal polynomials and enabling an accurate measurement of the distribution of temperature in a distillation column using a limited number of thermometers. CONSTITUTION:Thermometers are set at the positions decided...

PURPOSE:To obtain a flexible current passage and deformable and through whose small cross-sectional area a large current can flow by vapor-depositing a material hardly react with a high temperature superconductive material onto the surface part of a ceramics fiber member and thereafter further providing thereon a high temperature super conductive layer through vapor deposition method. CONSTITUTION...

Curable mixtures containing (i) a polyimide which contains in the molecule at least two radicals of the formula I in which D is a divalent radical containing one C=C double bond, (ii) a compound of the formula II in which X is hydrogen or OH, R<1> and R<2>, independently of one another, are allyl or propenyl, and Q is a direct bond, -(CH2)n-, 2,2-propylidene, -O-, -S-, -SO- or -S...

PURPOSE:To obtain an excellent super conducting material having high critical temp., critical magnetic field and mechanical strength by bring Nb into diffusion reaction with element X (Al or Ga) in a matrix constituted of Ag (alloy) and generating an Nb3X super conductor. CONSTITUTION:The element X and Nb are brought into diffusion reaction with in the matrix 11 to prepare a super conducting mater...

A conventional hot water heating system generally of the type for heating water in multiple units of hotels, motels and the like and using any heating medium has a processor and control assembly operationally connected to at least a heating control means, a water temperature sensing means and a water flow sensing means thereof. The processor and control assembly divides the time into exact time pe...

Liquids for conditioning of teeth or bone substance contain phosphonocarboxylic acids in aqueous solution, the solution having a pH in the range from 1 to 8.

PURPOSE:To cause a floating characteristic to be satisfactory by forming a bleed part so as to be shallow and executing an air bearing action to generate a floating pressure at the time of activating to a step bearing part. CONSTITUTION:Air bearing rails 3 composed of plane surfaces are arranged at both sides on the floating surface of a slider 1, a transducer 2 is fitted to the outflow edge of th...

A video signal generator employs a host subsystem (11), display controller system (18), display generator subsystem (20), refresh memory subsystem (24), and video data system (28) to process pixel data in parallel to achieve high pixel frequency rates permitting large flicker-free images. To achieve high pixel frequencies, parallel processing is maintained from the bit map memory (36) until the da...

NEW MATERIAL:A compound of formula G-O-R3 [G is formula I or II (l is 0 or 1; at least one of R1 and R2 is 1-30C fatty ester residue and the other is H or acetyl); R3 is formula III (X is halogen; m is 0-4; Y is OH, alkoxy, carboxyl or sulfonic acid; n is 0 or 1; z is nitro or nitrovinyl)]. EXAMPLE:2-Chloro-4-nitrophenyl 6-O-acetyl-0-beta-D-glucopyranoside[acetyl 2- chloro-4-nitrophenyl-beta-gluco...

The invention relates to a process for the preparation of 2',3'-dideoxycytidine, characterised in that a) the 4-amino group of cytidine is protected with a suitable protective group, b) the protected cytidine is bromoacetylated to give the corresponding bromoacetate derivative, c) the bromine atom and the acetoxy group are reductively eliminated from the bromoacetate in order to obtain the 2',3...

PURPOSE:To improve the visual angle characteristics of the title device by arranging a transparent base plate provided with common electrodes and another transparent base plate provided with segment electrodes in parallel with each other and, at the same time, providing electrodes for displaying background and stripe-like color filters with plural colors. CONSTITUTION:Plural sets of fine stripe-li...

PURPOSE:To simply carry out bonding between millable urethane elastomer containing an organic peroxide and unvulcanized rubber in good productivity by making unvulcanized rubber containing specific ethylene-propylene copolymer rubber exist between the elastomer and the unvulcanized rubber. CONSTITUTION:(C) (i) Rubber consisting essentially of ethylene-propylene- nonconjugated diene terpolymer rubb...

An endless fibrous web is to be needled from both sides by needling means for piercing the web in only one direction. For that purpose the web is needled in the form of a twisted endless web, which is known as a Möbius web and has been formed in that the two ends of a finite length of the web have been rotated through 180 DEG relative to each other about the longitudinal axis of the web and have ...

PURPOSE:To control the light direction and improve the illumination efficiency by providing a light control part, which consist of nine prisms in a group, corresponding to each light emitting diode. CONSTITUTION:A light control part 43, which improve the visibility of a stop lamp from rear direction of a car body by leading a light emitted from a corresponded light emitting diode 19 to rear direct...

A method for determining the base sequence of DNA or DNA fragment utilizing autoradiography which comprises steps of: (1) preparing a mixture of radioactively labeled synthetic DNAs which are complementary to the DNA or DNA fragment to be sequenced; (2) resolving said mixture of synthetic DNAs on a support medium; (3) placing said support medium and a stimulable phosphor sheet in layers for a giv...