Abstract:
PURPOSE: A Cryptomeria japonica essential oil extract with whitening and antioxidation functions is provided to suppress tyrosinase and to ensure whitening and antoxidation. CONSTITUTION: A Cryptomeria japonica essential oil extract is used for manufacturing a cosmetic or dermatologic drug with whitening and antioxidation function. The essential oil extract contains kaurene, borneol, or nezukol ingredients. The essential extract is prepared by steaming and distilling Cryptomeria japonica leaves. A cosmetic or makeup compsitio contains the essential oil extract.
Abstract:
본 발명은 대단면 목재에 중공을 성형하는 단계, 및 중공 처리된 대단면재 재료를 열기 건조하는 대단면재 건조방법에 있어서, 중공 처리된 대단면재 외면에 수분 탈출방지수단을 제공하는 단계를 더욱 포함하는, 중공목재 건조방법에 관한 것이고, 상기 수분탈출방지수단을 부가함으로써 수분의 외부 표면으로 증발되는 것이 억제되고 중공 안쪽으로 수분이 증발되므로 건조결함인 할렬 발생을 억제할 수 있고, 건조속도가 우수한 기술적 효과를 달성할 수 있다.
Abstract:
The present invention relates to a method for drying hollow timber which comprises the following steps: molding hollow holes on a large section of a timber; and drying the large section timber with the hollow holes using hot air. The method additionally includes a step of providing a moisture separation preventing unit on the outer surface of the large section timber with the hollow holes. By applying the moisture separation preventing unit, the evaporation of the moisture from the outer surface is controlled, and the moisture is evaporated inside the hollow holes to prevent the generation of cleaving which is a defect generated from drying and improving the drying speed.
Abstract:
PURPOSE: A hollow wood drying method is provided to accelerate a drying operation based on high temperatures by sealing the external side of wood with a hollow structure and suppressing the escaping of moisture through the external surface of wood. CONSTITUTION: A hollow part is shaped in wood of large sized cross sections. The wood with the hollow part is dried based on heating. A moisture escaping preventive unit is arranged on the external surface of the wood. The moisture escaping preventive unit is arranged on the surface or the transversal cross section of the wood. The moisture escaping preventive unit is physical or chemical. The physical moisture escaping preventive unit is cloth, synthetic resin wrap, aluminum wrap, iron, or paper, and the chemical moisture escaping preventive unit is a film forming agent.
Abstract:
본 발명은 화장조성물로 활용될 수 있는 미백 및 항산화 활성을 가지는 삼나무 정유 추출물에 관한 것이다. 상세하게는, 본 발명은 티로시나제(tyrosinase) 저해 활성과 DPPH(1,1-diphenyl-2-picryl-hydrazyl) 라디칼 소거 활성, SOD(superoxide dismutase) 유사 활성을 가지는 수증기 증류를 통해 추출된 삼나무 정유 추출물에 관한 것이다. 더욱 구체적으로는 본 발명은 미백 및 항산화 활성이 높은 borneol 및 nezukol 성분이 함유된 미백 및 항산화 효과를 보이는 삼나무 정유 추출물에 관한 것이다.
Abstract:
PURPOSE: A wood guardrail for a bicycle lane is provided to improve the external appearance and minimize damage caused by a collision by employing a wood material for a guardrail. CONSTITUTION: A wood guardrail for a bicycle lane comprises wood posts(10), wood safety fences(20), reinforcement frames(40), first reinforcement plates(50), wood rails(30), and second reinforcement plates(60). The wood posts are vertically installed at regular intervals on the ground along the boundary between a bicycle lane and a roadway. The wood safety fences are supported at a specific height by the wood posts and horizontally installed in the roadway side. The reinforcement frames are coupled inside the wood posts for reinforcement. The first reinforcement plates are coupled to one side of the reinforcement frames to support the wood safety fences. The wood rails are supported at a specific height by the wood posts and horizontally installed on the bicycle lane side. The second reinforcement plates are coupled to the other side of the reinforcement frames to support the wood rails.
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Abstract:
PURPOSE: A method for preparing a biologically converted product using Stereum hirsutum bacteria is provided to be applied in biological conversion process. CONSTITUTION: A Stereum hirsutum is used for biological conversion into camphor or myrternol compounds by applying a medium using alpha-pinene as a substrate. The medium is SSC or MEB medium. A method for preparing the biologically converted product containing camphor or myrternol compounds comprises a step of aerobic culturing Stereum hirsutum bacteria in a SSC or MEB medium. An ingredient composition of a cosmetic product or pharmaceutical product contains camphor or myrternol.
Abstract:
PURPOSE: A cedar wood discoloration controlling method is provided to improve the timber weather ability of cedar wood by transferring terpenes, lignans and flavonoids to a splint wood. CONSTITUTION: A cedar wood discoloration controlling method comprises a step of thermal processing or light processing the surface of cedar wood including a black core to reduce the color difference of the cedar wood. The thermal processing is selected from a heat-drying, a vacuum drying, and a hot water treatment. The light processing is a UV processing. The hot water treatment is processed under the condition of the temperature less than 100 deg C.
Abstract:
본 발명은 방사선을 이용한 혼합수종 목재의 강도 예측 방법에 관한 것으로 목재를 방사선으로 촬영하여 옹이와 건전부를 구분하고, 옹이의 연결성 평가를 통해 옹이를 구분하고, 각 옹이별 대표단면을 선정한 후, 단면을 등가밀도로 환산하여 해당 수종에 대한 정보 없이도 모든 수종의 강도를 정확하게 예측할 수 있다. 본 발명에 의하면 수종 구분 없이 어떠한 수종일지라도 목재의 강도를 예측할 수 있으며, 구조용도로 이용할 수 있다. 목재, 등가밀도, 밀도 환산, 옹이, 강도
Abstract:
PURPOSE: A rotary X-ray device for testing timber is provided to have a structure in which a timber seating port with a fixed timber sample is rotatable, thereby obtaining X-ray images photographed at each angle. CONSTITUTION: A rotary X-ray device for testing timber comprises a body (10), an X-ray irradiating unit (20), a detector (30), and a timber seating port (40). The detector receives X-ray beams, thereby outputting electrical signals. A rotary shaft (41) is connected to the lower part of the timber seating port so that the timber seating port is rotatable. A servo motor (50) for transmitting the torque to the rotary shaft is arranged inside the body. A fixing pin (42) for fixing timber is protruding on the top surface of the timber seating port. The X-ray irradiating unit and the detector are straightly moved forward and backward by a horizontal movement member on the upper part of the body.