摘要:
A steel for electron-beam welding according to the present invention includes at least C: 0.02% to 0.10%, Si: 0.03% to 0.30%, Mn: 1.5% to 2.5%, Ti: 0.005% to 0.015%, N: 0.0020% to 0.0060%, and O: 0.0010% to 0.0035%, further includes S: limited to 0.010% or less, P: limited to 0.015% or less, and Al: limited to 0.004% or less, with a balance including iron and inevitable impurities. An index value CeEBB obtained by substituting composition of the steel into following Formula 1 falls in the range of 0.42 to 0.65%, the number of oxide having an equivalent circle diameter of 1.0 μm or more is 20 pieces/mm2 or less at a thickness center portion in cross section along the thickness direction of the steel, and the number of oxide containing Ti of 10% or more and having an equivalent circle diameter of not less than 0.05 μm or more and less than 0.5 μm falls in the range of 1×103 to 1×105 pieces/mm2 at the thickness center portion. CeEBB=C+¼Mn+ 1/15Cu+ 1/15Ni+⅕Cr+⅕Mo+⅕V (Formula 1)
摘要:
A steel for a welded structure includes the following composition: by mass %, C at a C content [C] of 0.010 to 0.065%; Si at a Si content [Si] of 0.05 to 0.20%; Mn at a Mn content [Mn] of 1.52 to 2.70%; Ni at a Ni content [Ni] of 0.10% to 1.50%; Ti at a Ti content [Ti] of 0.005 to 0.015%; 0 at an O content [O] of 0.0010 to 0.0045%; N at a N content [N] of 0.002 to 0.006%; Mg at a Mg content [Mg] of 0.0003 to 0.003%; Ca at a Ca content [Ca] of 0.0003 to 0.003%; and the balance composed of Fe and unavoidable impurities. A steel component parameter PCTOD is 0.065% or less, and a steel component hardness parameter CeqH is 0.235% or less.
摘要:
Novel heterocyclic biaryl derivatives were disclosed which are useful as pharmaceutical agents and which exhibit a phosphodiesterase-inhibitory action.The heterocyclic biaryl derivatives are represented by the following general formula (1): wherein the Heterocycle 1 and the Heterocycle 2 are directly bonded together.
摘要:
The problem to be solved is to provide an automobile interior headliner member which is improved in the film forming property of a complex plastic material used as a base material of the automobile interior headliner member, and has high rigidity and excellent heat resistance, size stability and working efficiency upon attachment; and the base material. An automobile interior headliner molding or forming member which is obtained by kneading mica having a particle size of 10 to 100 &mgr;m with a polypropylene resin having a melt flow rate at 230° C. of 3 to 40 g/10 min to obtain the corresponding resin having a mica content of 15 to 40 wt. %, molding or forming the resin into a mica-containing polypropylene sheet of 100 to 300 &mgr;m thick and then stacking this sheet over each of both sides of an expanded polypropylene sheet of 2 to 6 mm thick obtained at an expansion ratio of 5 to 50 times; and an automobile interior headliner member molded or formed from the molding or forming member.
摘要:
A fiber optic gyroscope sensing coil, with which winding process of optical fiber may be simplified, crosstalk due to winding deficiencies may be reduced, and temperature sensitivity of gyroscope may be reduced.A coil body 13 includes two potted coils 12 having respective windings of optical fiber which are wound in an aligned winding configuration while the same tension is applied to optical fiber and at the same feed speed of optical fiber between the two potted coils and encapsulated within a potting material 16. The potted coils 12 are united together to form the coil body 13 by adhering the potted coils with each other at respective one side faces 12b thereof by using the potting material 16 as adhesive, and the tip ends of respective first fiber end sections 12c of optical fiber 14 of the potted coils 12, which are guided out from respective outermost layers of the windings of the potted coils 12, are connected with each other by fusing to form a continuous length of optical fiber of the coil body 13 wound in one direction.
摘要:
A steel for a welded structure includes the following composition: by mass %, C at a C content [C] of 0.010 to 0.065%; Si at a Si content [Si] of 0.05 to 0.20%; Mn at a Mn content [Mn] of 1.52 to 2.70%; Ni at a Ni content [Ni] of 0.10% to 1.50%; Ti at a Ti content [Ti] of 0.005 to 0.015%; O at an O content [O] of 0.0010 to 0.0045%; N at a N content [N] of 0.002 to 0.006%; Mg at a Mg content [Mg] of 0.0003 to 0.003%; Ca at a Ca content [Ca] of 0.0003 to 0.003%; and the balance composed of Fe and unavoidable impurities. A steel component parameter PCTOD is 0.065% or less, and a steel component hardness parameter CeqH is 0.235% or less.
摘要:
Provided herein are benzoxazinone compounds of formula I and compositions containing the compounds. The compounds and compositions are useful in the methods of inhibiting the action of serine hydrolase, including neutrophil elastase. In certain embodiments, the compounds and compositions are useful in the prevention, amelioration or treatment of serine hydrolase-mediated diseases.
摘要:
A novel pyrazolopyridine carboxamide derivative is provided that is useful as a pharmaceutical drug having phosphodiesterase inhibitory activity.The pyrazolopyridine carboxamide derivative is represented by the following general formula (1): (Example: 2-ethyl-7-methoxypyrazolo[1,5-a]pyridine-4-carboxylic acid (3,5-dichloropyridin-4-yl)amide).
摘要:
To form a welded joint having a sufficiently high fracture toughness value δc by butting welding high strength steel plates having a yield strength of the 355 MPa class or more and a plate thickness of over 50 mm by electron beam welding, the butt welded joint is made one where the hardness of the weld metal is 110% to 220% of the hardness of the base material and where the width of the weld metal is 20%A or less of the base material plate thickness. More preferably, the amount of O in the weld metal of the welded joint is made 20 ppm or more and the amount of oxides of a grain size of 2.0 μm or more is made 10/mm2 or less; the weld metal of the welded joint is made to contain Ni in an amount of 1 to 4 mass % and contain it in more than an amount of 0.2 mass % or more of the content of the base material; or, when using as the base material a steel material containing as Ni in an amount of 2.5 mass % or more, making the content of Ni contained in the weld metal of the welded joint, by mass %, over 4% to 8%.
摘要翻译:为了形成具有足够高的断裂韧度值的焊接接头,通过电子束焊接对接焊接强度为355MPa等级或更高的板厚度以及厚度超过50mm的高强度钢板,对接焊接 焊接金属的硬度为基材硬度的110〜220%,焊接金属的宽度为基板厚度的20%A以下的情况。 更优选焊接接头的焊接金属中的O量为20ppm以上,粒径为2.0μm以上的氧化物的量为10 / mm 2以下。 使焊接接头的焊接金属含有1〜4质量%的Ni,并且含有超过基材含量的0.2质量%以上的量。 或者,当将作为Ni的2.5质量%以上的钢材用作基材时,使焊接接头的焊接金属中含有的Ni的含量以质量%计超过4%〜8%。
摘要:
A novel pyrazolopyridine derivative is provided which is useful as a pharmaceutical drug having phosphodiesterase inhibitory activity.The pyrazolopyridine derivative is represented by the following general formula (1): [wherein R1 is a hydrogen atom, an optionally substituted alkyl group having 1 to 6 carbon atoms, or the like, R2 is an optionally substituted alkyl group having 1 to 6 carbon atoms or the like, R5 and R6 are independently a hydrogen atom or a halogen atom, R13 is a hydrogen atom or a halogen atom, n is 0 or 1, is a single or double bond, R3 is a hydrogen atom, a hydroxyl group, or the like, and R4 is a hydrogen atom, a phenyl group, or the like] or a pharmaceutically acceptable salt thereof, and a hydrate thereof.