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Civil Defense Radiation Detectors & Detection Meters FAQ & Geiger Coun…

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작성자 Josh
댓글 0건 조회 4회 작성일 25-06-09 18:55

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original-debfaa7ae02d60aa148eaf8645031116.png?resize=400x0 The quantities of the organopolysiloxane having an extremely-high viscosity and the organopolysiloxane having a lower viscosity contained within the thermoplastic resin of the above-mentioned liner are adjusted so that the organopolysiloxane is composed of forty five to 85% by weight of the organopolysiloxane having an ultra-excessive viscosity and 55 to 15% by weight of the organopolysiloxane having a decrease viscosity. When the content of the organopolysiloxane having an extremely-excessive viscosity is more than 85% by weight and the content of the organopolysiloxane having a lower viscosity is much less that 15% by weight, the consequences don't differ much from the consequences when the organopolysiloxane having an ultra-excessive viscosity is used solely, and the development of load effectivity is little. When the content material of the organopolysiloxane having an extremely-high viscosity is much less that 45% by weight and the content of the organopolysiloxane having a decrease viscosity is more that 55% by weight, an extruded product can't be produced as a result of a slide between a screw and a resin happens in an extruder and the feed of the resin cannot be carried out. It is particularly preferable that the content material of the organopolysiloxane having an ultra-high viscosity is 50 to 80% by weight and the content material of the organopolysiloxane having a lower viscosity is 50 to 20% by weight.

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When the content material is extra that 20% by weight, Facebook an extruded product can't be produced because a slip of a resin occurs on a cylinder barrel in an extruder and the constant feed of the resin cannot be carried out. The organopolysiloxane comprising the organopolysiloxane having an ultra-excessive viscosity and the organopolysiloxane having a lower viscosity is dispersively contained in the thermoplastic resin in order that the content of the organopolysiloxane is 13 to 20% by weight. For instance, a way comprising ading the organopolysiloxane having an extremely-excessive viscosity and the organopolysiloxane having a lower viscosity individually to the thermoplastic resin whereas heating and kneading the thermoplastic resin and uniformly dispersing them, a method comprising including the organopolysiloxane, which is previously ready by mixing the organopolysiloxane having an ultra-high viscosity and the organopolysiloxane having a lower viscosity in a prescribed proportion, to the melted thermoplastic resin and uniformly dispersing them, and the like might be exemplified. The gas channels are tubes whose decrease and upper portions are fabricated from corrosion-resistant steel, while the central part is made of Zircalloy. The system monitoring the coolant move by the reactor channels consists of tachometric transducers, and equipment affording frequency-to-analog signal conversion. The unit with one reactor accommodates two 750 MW turbines.



The condensate of the steam spent within the turbines is conditioned in the ion-exchangers, heated within the heat exchangers of the regenerative heating system, deaerated and on passing via strainers is fed again by the electric feedwater pumps over feed pipelines to the separators of the circulating circuit. The delivery pipelines convey water from the principle circulating pumps to the strain header. To the organopolysiloxane, for example, an antioxidant, a corrosion inhibitor, extreme pressure additives and the like might be added as occasion demands. When the paste-extrusion technique is employed, it's preferable that paste is ready by including kerosene to polytetrafluoroethylene powder and kneading them, the paste is extruded to offer a tube underneath high strain and a stranded steel wire is coated with the tube, and after that, the stranded steel wire is dried and baked in a furnace resembling an electric furnace. Among them, polytetrafluoroethylene, tetrafluoroethyleneperfluoroalkylvinyl ether copolymer and tetrafluoroethylene-hexafluoroethylene copolymer, in particular, polytetrafluoroethylene are preferably used as a result of they're glorious in thermal resistance, load efficiency and adaptability. The polybutylene terephthalate additionally has a characteristic that the distinction of the initial load efficiency and the load efficiency after the control cable is operated for a long time frame is small.



When the content of the organopolysiloxane is lower than 13% by weight, the load efficiency is lowered when the management cable is used for a long time frame. The high density polyethylene has excellent bodily properties reminiscent of high load effectivity. The polyoxymethylene also has properties akin to low stickslip underneath a high load and improves the operationability of a management cable. Representative examples of the polyoxymethylene are, for example, DELRIN commercially available from Du Pont, Celcon commercially obtainable from Hoechst Celanese, and the like. Representative examples of the sort III are, for instance, Teflon FEP160 commercially obtainable from DUPONT-MITSUI FLUORO CHEMICALS CO., LTD., and the like. It's preferable to make use of the sort III and type IV because the type I and kind II having a small polymerization diploma are poor in stress-cracking resistance. The polymerization degrees of those varieties are completely different respectively. The sort II has a polymerization degree greater than the kind I, and is excellent in stress-cracking resistance. When the melt index is more than 5 g/10 minutes, there is a tendency that oil resistance, stress cracking resistance and abrasion resistance deteriorate. As to a technique for containing the organopolysiloxane in the thermoplastic resin, shield control cable there isn't a limitation.

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