摘要:
A process for inhibiting enzymatic activity in a substrate in liquid phase by the application of a denaturing means to the substrate up to a temperature set between 0 and 60° C., preferably set between 10 and 50° C., and more particularly at room temperature. As the denaturing means either the application to the substrate of gaseous ozone or the application to the substrate of UV waves for a predetermined time are provided. UV waves and gaseous ozone may also be provided as a combined denaturing means, at the same time or in different times, generated by the same device. Examples of the substrate to which the invention is applied can be: a food matrix, such as vegetable juice or puree, fruit juice or puree; a pure enzyme or a mixture of enzymes in liquid phase, in particular contained in liquid food; enzymes and mixture of reagents used for biochemical synthesis; and waste material where inhibiting the enzymatic activity is necessary before disposal. The process does not damage or affect the substrate and do not apply heat, and successfully inhibits the enzymatic reactions caused by enzymes present in the substrate. The advantage of working at a temperature less than 60°, and preferably at room temperature, implies less energy absorption since the substrate must not any more be heated and cooled as required by traditional techniques, as well as it does not affect the characteristics, vitamins and fragrances of the treated food substrates.
摘要:
A reinforcing fabric includes a plurality of non-metallic reinforcing cords. The non-metallic reinforcing cords are at least partially enclosed in elastomeric material and are radiopaque. A method to make the reinforcing fabric includes rendering a plurality of non-metallic cords radiopaque using one or more radiopaque compounds and enclosing the non-metallic cords in elastomeric material. The reinforcing fabric includes the elastomeric material enclosing the non-metallic reinforcing cords. A tyre for a vehicle wheel includes at least one rubberized reinforcing fabric. The at least one rubberized reinforced fabric includes elastomeric material including a plurality of non-metallic reinforcing cords. The plurality of non-metallic reinforcing cords are radiopaque.
摘要:
The present invention relates to a filtering device for NBC weapons, comprising a hermetically sealed box structure (10), provided with an opening for the inlet of air and/or gas to be filtered and an opening for the outlet of filtered air and/or gas, and within which one or more plates (11) are arranged to define the walls of a course for said air and/or gas from said inlet and said outlet, the sides of the plates (11) facing said course supporting a layer (12) of an adsorbing material.
摘要:
Rubber compositions and pneumatic tires in which the rubber compositions are used. In the rubber compositions, per 100 parts by weight of natural rubber and a conjugated diene-base synthetic rubber such as a butadiene-styrene copolymer rubber, is compounded 30 to 120 parts by weight of a carbon black having both a characteristic (concentration of >C.dbd.O functional groups)/N.sub.2 SA.gtoreq.4.0.times.10.sup.-4 and a characteristic (concentration of >C.dbd.O functional groups).gtoreq.(concentration of --OH functional groups).sup.2 -0.1.times.(concentration of --OH functional groups)+0.03, or is compounded 30 to 120 parts by weight of a carbon black having the characteristic (concentration of >C.dbd.O functional groups)/N.sub.2 SA.gtoreq.4.0.times.10.sup.-4 and 0.05 to 5.0 parts by weight of at least one of a silane coupling agent, a hydrazide compound and a thiadiazole compound. The rubber compositions of the present invention and pneumatic tires using the rubber compositions excel in low rolling resistance and wet skid resistance.
摘要翻译:使用橡胶组合物的橡胶组合物和充气轮胎。 在橡胶组合物中,相对于100重量份天然橡胶和丁二烯 - 苯乙烯共聚物橡胶等共轭二烯系合成橡胶,混合30〜120重量份的炭黑,其浓度> C = O官能团)/ N 2 SA> / = 4.0×10 -4,特性(> C = O官能团的浓度)> =(-OH官能团的浓度)2-0.1x(-OH官能团的浓度 )+0.03,或者将30〜120重量份具有(浓度> C = O官能团)/ N2SA> = 4.0×10-4的炭黑和0.05〜5.0重量份的至少一种 的硅烷偶联剂,酰肼化合物和噻二唑化合物。 本发明的橡胶组合物和使用橡胶组合物的充气轮胎具有低滚动阻力和抗湿滑性。
摘要:
Disclosed are a rubber composition having an improved charging property which comprises 100 parts by weight of rubber component containing diene rubber of 90 parts by weight or more, and a filler of 30 to 120 parts by weight and a nonionic surfactant or phosphoric ester of 0.2 to 8 parts by weight, and a pneumatic tire characterized by that the above rubber composition having an improved charging property is used for the tread parts of the pneumatic tire. The typical examples of the nonionic surfactant and phosphoric ester are an adduct of ethylene oxide of 2 to 30 moles to linear, cyclic or branched, and saturated or unsaturated, and monohydric or polyhydric aliphatic alcohol having carbon atoms of 6 to 25, or an adduct of ethylene oxide of 2 to 30 moles to alkylphenol, and the compounds represented by the following formula (V): ##STR1## wherein R.sup.5 represents a linear or branched, and saturated or unsaturated aliphatic hydrocarbon group having carbon atoms of 8 to 25, or an aryl group, and q and r each are an integer satisfying a relation of q+r=1 to 30.