摘要:
This invention relates to an antiulcer, antiinflammatory, and antiallergic agent comprising as the main ingredient olean-12-ene-3.beta., 30-diol which is devoid of side effects of glycyrrhetinic acid and a process for preparation of olean-12-ene-3.beta., 30-diol.
摘要翻译:本发明涉及一种抗溃疡剂,抗炎剂和抗过敏剂,其包含没有甘草次酸的副作用的主要成分的齐墩an an -12-烯-3β,30-二醇,以及制备烯烃-12-烯 - 3β,30-二醇。
摘要:
An object of the present invention is to provide a chlorinated vinyl chloride-based resin with few unstable structures and excellent thermal stability, and a molding article. The chlorinated vinyl chloride-based resin of the invention is an resin in which a chlorine content is 65 wt % or higher, and less than 69 wt %, —CCl2— is in an amount of 6.2 mol % or less, —CHCl— is in an amount of 58.0 mol % or higher, and —CH2— is in an amount of 35.8 mol % or less contained in a molecular structure.
摘要:
An electroconductive resin composition which exhibits excellent moldability and electric conductivity, and is produced at low costs. The electroconductive resin composition contains a zinc-based metal powder, low melting metal which melts upon molding, and thermoplastic resin. The zinc-based metal powder having a large surface area captures the molten low melting metal to prevent the phase separation thereof from both the resin and zinc-based metal powder. The zinc-based metal powder has a round configuration, as compared to that of fiber so as not to damage the fluidity of the resin greatly. Thus, the resultant electroconductive resin composition is excellent in moldability, and can be produced at low costs.
摘要:
A connector includes a body and a clip for fitting on the body. The body has a hose connecting portion and a pipe receiving portion. The pipe receiving portion is adapted to receive a pipe therein and includes a clip fitting part. The clip fitting part has an engaging hole for engagement with an engaging claw formed on the clip. The engaging claw moves from a protruded position for preventing removal of the pipe to a withdrawn position for permitting removal of the pipe from the pipe receiving portion as the operator forces the clip to be enlarged. An enlargement restraining device is provided that is operable to restrain the enlargement of the clip within a predetermined range, so that the clip can reliably resiliently return to the protruded position when the clip is released after the pipe has been removed from the pipe receiving portion.
摘要:
A ferro-sintered alloy having wear resistance at elevated temperatures comprising a matrix in which, on a weight basis, 25-75% of an alloying base A of the following composition is irregularly dispersed with 75-25% of an alloying base B of the following composition, the matrix having dispersed therein 3-15% of at least one of the following hard phases C and D, and optionally being impregnated in its pores with lead:______________________________________ Base A Base B ______________________________________ Cr 2-4% Co 5.5-7.5% Mo 0.2-0.4% Ni 0.5-3% V 0.2-0.4% Mo 0.5-3% C 0.6-1.2% C 0.6%-1.2% Fe the remainder Fe the remainder Hard phase C: 45-60% Co - 33-36% Mo. - and remainder Si Hard phase D: 45-60% Fe - 33-36% Mo - and remainder Si. ______________________________________
摘要翻译:在高温下具有耐磨性的铁烧结合金,其包含基体,其中以重量计,25-75%的下列组成的合金基体A与75-25%的下述组成的合金基体B不规则地分散 基体分散有3-15%的以下硬质相C和D中的至少一种,并且任选地用铅浸渍在其孔中:--Base A Base B-Cr 2-4%Co 5.5-7.5 %-Mo 0.2-0.4%Ni 0.5-3%-V 0.2-0.4%Mo 0.5-3%-C 0.6-1.2%C 0.6%-1.2%Fe剩余部分Fe余量-Hard相C:45-60 %Co-33-36%Mo-和余量Si-硬质相D:45-60%Fe-33-36%Mo-余量Si-
摘要:
A pipe fitting includes a slider disposed in an insertion hole of a main body so as to be axially moved and includes a pressed portion which a falling-off preventing flange of a pipe abuts so that the slider is pressed axially when the pipe is inserted into the insertion hole. A fitting checker includes a pair of spreading legs having respective claws, the fitting checker being detachably attached to the main body so that the legs hold the main body. The claws engage the body and the slider so that the fitting checker is not allowed to be detached from the body when the legs are closed. The legs are spread so as to release the claws from engagement with the body and the slider so that the fitting checker is allowed to be detached from the body. Releasing protrusions are formed to protrude from inside portions of the legs of the fitting checker, the releasing protrusions being pressed so that the legs are elastically deformed in respective opening directions. A pressing portion is formed on the slider so as to press the disengaging protrusions of the fitting checker to spread the legs of the latter when the pipe is inserted into the insertion hole to assume a normal fitting position so that the slider is displaced to a normal thrust position.
摘要:
A ferro-sintered alloy having wear-resistance at elevated temperatures, comprises a perlite matrix having a copper content of from 0.2 to 1.5% by weight. 10 to 50% by weight of a phase A rich in heat and corrosion resistance is dispersed in the matrix with phase A including 9 to 20% Cr, 6 to 15% Ni, 1.5 to 9.5% Mo, 1.5 to 9.5% W, 0.7 to 4.5 Cu and an Fe remainder. In addition, 2 to 15% by weight of an additional component is dispersed in the matrix which is selected from one of a group of components which are wear-resistant. The group of components comprises:50.about.70% Mo-Fe Alloy (by weight)50.about.70% Cr-Fe Alloy (by weight)45.about.60% Fe-33.about.36% Mo-Si Alloy (by weight)45.about.60% Co-33.about.36% Mo-Si Alloy (by weight).