The invention provides a freeform lens, which comprises a body (1) with a substantially bowl-shaped structure formed by a transparent material; the bottom of the body sinks inwards to form a light source area (2) which can accommodate an LED; the surface, surrounding the light source area (2), of th.....
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公开了一种腕骨骨折复位和固定装置,其包括:贴靠着使用者的前臂掌侧的前臂掌侧板(2);连接于所述前臂掌侧板(2)的内侧向板(3)和外侧向板(3’),所述内、外侧向板(3、3’)通过至少一根带状部件(6)分别靠近前臂的内、外侧定位;利用另外的至少一根带状部件(6’)贴靠着使用者手背的手背板(4);其中,所述内、外侧向板(3、3’)各自通过万向连接装置(5)连接到手背板(4)上,所述万向连接装置(5)允许使用者的腕部沿着任意方向运动,并可以在任意角度固定。
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The present invention relates to a pyridine carboxylic acid as a ligand for Oxo acid, acetic anhydride positive ions bimetallic catalysts. The catalyst is pyridine carboxylic acid ion activity center with Rh (I) the formation of chelate-type square planar cis-dicarbonyl ligand structure, pyridine ca.....
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A system for analyzing the surface appearance of fabric is composed of a feeding mechanism for carrying a fabric to pass through a space, an image acquiring device to take multiple profiles of said fabric, and a computer, which can process the acquired images to obtain 3D data about the fabric surfa.....
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The invention provides an apparatus for measuring the dynamic thermal and moisture transfer of textile fabric, and comprises a bionics model component, at least a group of second sensors and a data collecting and controlling device. The bionics model component includes a heat retainer, a sweat disch.....
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