摘要:
A film suitable for an agricultural covering material is formed from a resin composition comprising a blend comprising (A) an ethylene/.alpha.-olefin random copolymer having a low melt flow rate and (B) an ethylene/.alpha.-olefin copolymer having a high melt flow rate. The random copolymer (A) has a density (D.sub.A) of 0.935 to 0.950 g/cc and the random copolymer (B) has a density (D.sub.B) of 0.905 to 0.935 g/cc, and the density (D.sub.B) of the random copolymer (B) satisfies the requirement of D.sub.B .ltoreq.0.9D.sub.A +0.09 in which D.sub.A stands for the density of the copolymer (A).
摘要:
A bag for packaging heavy materials, exhibiting excellent strength, content packaging performance, stacking performance on the pallets, and anti-collapsing performance. The bag is made of a multi-layer laminated film which comprises an outermost layer of a polyethylene film containing an inorganic filler in an amount of from 20 to 80% by weight and an innermost layer of a polyethylene film containing an inorganic filler in an amount of from 10 to 40% by weight, the outermost layer having on the surface thereof a coefficient of static friction of not smaller than 0.5 (ASTM D 1894), a coefficient of dynamic friction of not larger than 0.5 (ASTM D 1894) and a gloss of not larger than 50% (JIS Z 8741, at a measuring angle of 60.degree.), and the content of the inorganic filler in the innermost layer being from 1/2 to 1/6 of the content of the inorganic filler in the outermost layer.
摘要翻译:用于包装重材料的袋子,具有优异的强度,包装性能,托盘上的堆叠性能以及抗折叠性能。 该袋由多层层压膜制成,该多层层压膜包括含有20至80重量%的无机填料的聚乙烯膜的最外层,并且含有一定量的无机填料的聚乙烯膜的最内层 为10〜40重量%,最外层的表面的静摩擦系数为0.5以上(ASTM D 1894),动摩擦系数为0.5以下(ASTM D 1894)和 光泽度不大于50%(JIS Z 8741,测量角度为60度),最内层的无机填料的含量为+ E,fra 1/2 + EE至+ E, 6 + EE的最外层无机填料的含量。
摘要:
A resin composition for producing a film is provided. The composition comprises (A) a high-density polyethylene having predetermined melt flow rate, density and melt tension, (B) a propylene-based polymer having predetermined melt flow rate, (C) talc, (D) CaO and/or MgO, and (E) a surface active agent. The resin compositions is readily formable into a film having excellent strength and water resistance as well as paper-like texture and rigidity. A method for producing a film by blown-film extrusion from such a resin composition is also provided. In this method, both ratio of diameter of the resulting bubble to minimum diameter of the bubble and ratio of length in machine direction of the bubble with predetermined diameter to the die diameter are adjusted to fall within predetermined ranges.
摘要:
A vehicular lamp has a light source unit having an LED and an optical element that performs light distribution control for directing light from the LED in a predetermined direction, a heat sink to which the light source unit is attached, and a lamp chamber in which the light source unit is disposed. The LED is an LED module formed by installing an LED chip on a power supply circuit board. The LED module is installed on a circuit board installation portion of the heat sink, and an attachment, which has a frame shape a size larger than the LED module and has a circuit board retaining portion at a center open portion of the attachment, is attached and fixed to the heat sink by a fixing member, whereby the LED module is held between the attachment and the circuit board installation portion.
摘要:
A vehicle lamp includes a semiconductor light emitting device as a light source, a power supply module configured to supply electric power from a power source to the semiconductor light emitting device, and a housing in which the power supply module is accommodated. The semiconductor light emitting device is mounted on the power supply module. The power supply module comprises a current control circuit configured to control an amount of current supplied to the semiconductor light emitting device. The semiconductor light emitting device and the current control circuit are arranged to overlap each other in a direction of an optical axis of the semiconductor light emitting device.
摘要:
A connector includes: a connector housing; a housing main body receiving terminal fittings; and a front holder to be attached to the housing main body. When the front holder is attached to the housing main body, and the housing main body receives the terminal fittings, a gap is formed between an outer wall of the housing main body and an inner wall of the front holder.
摘要:
A heat apparatus for an electromagnetic induction heating system comprises a heat roller that comprises magnetic and conductive material. The heating apparatus also comprises a magnetic excitation coil that is positioned around a portion of the periphery of the heat roller. The magnetic excitation coil is configured to generate a magnetic field that extends to the heat roller, to generate an eddy current within the heat roller, and to generate Joule heat within the heat roller. The magnetic excitation coil is configured to generate a stronger magnetic field at the center area of the heat roller than at the side areas of the heat roller.
摘要:
A semiconductor apparatus is provided that includes a radiator for efficiently radiating heat generated in a wiring layer used in a surge current path of an electrostatic discharge protection circuit, and also for protecting the wiring layer itself used as the surge current path. The semiconductor apparatus includes an input protection circuit coupled to a wiring provided between an external terminal and an internal circuit, the input protection circuit includes a protection element for protecting the internal circuit from an excessive electrostatic surge input supplied to the external terminal. The semiconductor apparatus further includes a first metal wiring layer coupled to the input protection circuit and included in a current path for the surge electrostatic surge input, and a radiator including a sufficient thermal conductivity material coupled to the first metal wiring layer.
摘要:
A charging and discharging circuit for a pulse laser which enables the pulse laser to increase an oscillation frequency. A charging and discharging circuit for a pulse laser, comprising a high-voltage power supply (18) for charging a capacitor (C0) with electric charges until an interpolar voltage reaches a final target value VF, a discharging circuit (3) for discharging the electric charges in pulses between discharge electrodes (5, 5) to oscillate a pulse laser beam (11), and a laser controller (4) for calculating a final target value VF of an interpolar voltage VC for the next charging on the basis of the pulse light emission amount per pulse of the pulse laser beam and outputting the value to the high-voltage power supply, wherein the high-voltage power supply starts charging the capacitor with electric charges toward the predetermined primary target value V1 before the laser controller calculates the final target value VF of the interpolar voltage VC and wherein the charging is performed up to the final target value after the calculation thereof.
摘要:
An emission timing control apparatus for a pulsed laser including a magnetic pulse compression circuit having a switching section for carrying out a switching operation to connect and disconnect a charging power source to and from the magnetic pulse compression circuit. The pulsed laser executes pulsed laser oscillation at a prescribed repetition frequency by turning on the switching section with a pulse oscillation synchronizing signal having the prescribed repetition frequency received from a semiconductor exposure apparatus, in which the emission timing control apparatus includes a reference delay time setting section for setting a prescribed reference delay time, and delay section for delaying a pulse oscillation synchronizing signal received from the semiconductor exposure apparatus by the time difference &tgr; calculated in the delay time calculating section and outputting to the switching section.