摘要:
A 7-formylaminocephalosporin compound represented by general formula (I): ##STR1## wherein R.sup.1 represents a carboxy group or an aminocarboxymethyl group ##STR2## R.sup.2 represents a hydrogen atom or a protective group for a carboxy group, andR.sup.3 represents a 5- or 6-membered heterocyclic group which may be substituted;or a salt thereof, and a process for producing the compound; The compounds are useful intermediates for other cephalosporin compounds having antibacterial activity, and themselves show antibacterial activity, as well.
摘要:
The present invention relates to a coloring composition for preventing see-through of cloth which comprises, on the basis of the total mass of the composition, a pigment in an amount ranging from 0.002% by mass to 1% by mass; a polymer particulate dispersion; and water.The present invention can thus provide the cloth which can prevent any see-through of the color of the underlying layer without causing any color-see-through phenomenon even if the cloth is white or light-colored one, and which can show excellent fastness while maintaining hand and feel peculiar to the original cloth irrespective of the material of the cloth used. In addition, even the mixed spun cloth can be colored with only the coloring composition of the present invention according to the single-step coloring technique and the coloring method according to the present invention is quite simple and excellent in working efficiency, energy efficiency and water resource-efficiency and the method does not suffer from a problem of, for instance, any environmental pollution.
摘要:
In a ballpoint pen which is formed to have an ink-consumption value per unit area of 0.64 to 1.6 mg/cm2, the surface tension of the ink for the ball point pen is adjusted to a range of 16 to 32 mN/m so that blotting, line splitting and the like hardly occur, that the ink transferred onto the paper surface is ready to be dried and that fluctuation in the density and width of the written lines are less likely to occur due to a storage environment and to a writing condition.
摘要翻译:在形成为每单位面积的墨消耗值为0.64〜1.6mg / cm 2的圆珠笔中,将圆珠笔用墨水的表面张力调整至16〜32mN / 使得难以发生印迹,线分裂等,转印到纸表面上的油墨准备干燥,并且由于存储环境而不太可能发生书写线的密度和宽度的波动,并且 写作条件。
摘要:
An apparatus for reproducing signals recorded on a selected one of first and second discs of different diameters, such as, a relatively large diameter video disc and a relatively small diameter compact disc, has a disc-transporting tray mounted for substantially horizontal movement between a first or operative position within a housing and a second or disc-inserting and withdrawing position in which the tray projects substantially forwardly from the housing through an opening at the front of the latter, the tray having first and second disc mounting portions dimensioned for receiving and holding the relatively large and small diameter discs, respectively, and the second or relatively small-diameter disc mounting portion being disposed at a front part of the tray and substantially contained within the confines of the first or large-diameter disc mounting portion for minimizing the required size of the tray, and hence the overall size of the apparatus. Further, access to the second or relatively small-diameter disc mounting portion of the tray for inserting or withdrawing a compact disc may be had when the tray is only partly projected from the housing, thereby to reduce the time required for loading and unloading or exchanging a compact disc.
摘要:
A method of manufacturing a rubber sheet with rugged patterns formed on one side surface portion includes the step of preparing an apparatus including a rotating roll having rugged patterns, a member having an arcuate inner surface radially spaced apart from an outer peripheral surface of the rotating roll, and a die. The arcuate inner surface is recessed away from the rotating roll and defines an arcuate compartment chamber together with the outer peripheral surface of the rotating roll. The arcuate compartment chamber, has an inlet port and an outlet port. The die is placed in such a manner to adjoin to the outlet port portion of the compartment chamber, the die having an inner edge portion which is radially spaced apart from the outer peripheral surface of the rotating roll and defines an extrusive clearance together with the outer peripheral surface. The method further includes the steps of feeding a feed rubber into the arcuate compartment chamber through the inlet port thereof, kneading the feed rubber in the compartment chamber and moving the feed rubber from the inlet port toward the outlet port, and extruding the rubber sheet made of the feed rubber from the compartment chamber through the extrusive clearance.
摘要:
A pneumatic tire production system comprises production lines each including a green tire building station for assembling unvulcanized members of pneumatic tires into green tires. The green tires are vulcanized at a vulcanizing station which includes at least one vulcanizing unit equipped with a plurality of vulcanizing molds. The number of the vulcanizing mold is determined so as to satisfy the vulcanizing capacity which is substantially equivalent to the number of green tires formed at the building station within a predetermined unit time. The system serves to minimize the intermediate stock amount of green tires due to minimized changeover between different types of tires to be alternately produced.
摘要:
In a ball pen which is formed to have an ink-consumption value per unit area of 0.64 to 1.6 mg/cm2, the water content is adjusted in the range from 30.0 to 80.0 wt %, the content of a volatilization-inhibiting substance in the range from 0.1 to 10.0 wt % and the content of a hardly-volatile water-soluble liquid medium in the range from 1.0 to 40.0 wt % in the ink for a ball pen in order to achieve both the quick-drying property of the ink transferred onto the paper surface and the non-drying property of the point of the pen-tip and further a good writing feeling.
摘要翻译:在形成为每单位面积的油墨消耗值为0.64〜1.6mg / cm 2的圆珠笔中,水分含量在30.0〜80.0重量%的范围内,挥发抑制量 物质的范围为0.1〜10.0重量%,挥发性水溶性液体介质的含量为1.0〜40.0重量%,用于圆珠笔的油墨,以达到快速干燥性能 油墨转印到纸表面上,并且笔尖的不干燥性能进一步良好。
摘要:
An aqueous ink composition for ball point pens is disclosed herein which comprises 2,5-dimercapto-1,3,4-thiadiazole or its salt, a colorant, water and a water-soluble organic solvent.The aqueous ink composition for ball point pens of the present invention is excellent in lubricating properties, can control ball sinkage, and can give a smooth writing feeling.
摘要:
A PVA film successively oriented in two orthogonal directions is prepared by firstly elongating the film in the longitudinal direction by more than 200% while maintaining the water content (Z .times. 100)% at a value of from 10 to 35% and the temperature in a range of from (1.50/Z +20).degree. C to 75.degree. C. The film is then preheated while maintaining its water content at least 7%, and then elongated laterally by more than 200% at a temperature of from 45.degree. to 110.degree. C. Then the film is heat treated at a temperature of 110.degree. to 210.degree. C while permitting the film to shrink by less than 15% in the lateral direction. Finally, the film is cooled to room temperature under tension.
摘要翻译:通过首先将膜沿纵向延伸超过200%,同时将含水量(Z×100)%保持在10至35%的值,并将温度在 范围为(1.50 / Z + 20)℃至75℃。然后将膜预热,同时保持其含水量至少为7%,然后在45°至110°的温度下横向拉伸超过200% 然后将膜在110℃至210℃的温度下热处理,同时允许膜在横向方向收缩小于15%。 最后,将膜在张力下冷却至室温。