-
公开(公告)号:KR1020130104019A
公开(公告)日:2013-09-25
申请号:KR1020120025131
申请日:2012-03-12
CPC classification number: H04L67/1097
Abstract: PURPOSE: A device and a method for managing contents of a cloud gateway are provided to minimize a request-and-respond time when requesting a contents reading, and to satisfy a cloud storage selection policy of a user through a home cloud gateway server within a home connected with a heterogeneous cloud infra. CONSTITUTION: A cloud service system comprises at least one user device, multiple clouds providing heterogeneous cloud services, and a gateway connected between the user device and the clouds. Information tables (222,223) of the gateway store predetermined service level agreements. A controller (225) of the gateway selects more than at least one cloud among the clouds according to service level agreement information, and stores contents provided from the user device in a selected cloud. [Reference numerals] (211) Hash table; (222) Information table for service level agreements (SLA); (223) Information table for response time (RT) per content request; (224) Content multi-copy generator; (225) Multi-copy storing controller; (226) Response time calculator; (227) Multi-copy selector; (AA) Home cloud gateway
Abstract translation: 目的:提供一种用于管理云网关内容的设备和方法,以便在请求内容读取时最小化请求和响应时间,并通过家庭云网关服务器满足用户的云存储选择策略 家庭与异构云下连接。 构成:云服务系统包括至少一个用户设备,提供异构云服务的多个云以及连接在用户设备和云之间的网关。 网关的信息表(222,223)存储预定的服务级别协议。 网关的控制器(225)根据服务级别协议信息选择云中的至少一个云,并将从用户设备提供的内容存储在所选择的云中。 (附图标记)(211)哈希表; (222)服务水平协议信息表(SLA); (223)每个内容请求的响应时间(RT)的信息表; (224)内容多副本生成器; (225)多拷贝存储控制器; (226)响应时间计算器; (227)多重复印选择器; (AA)家庭云网关
-
公开(公告)号:KR1020140126511A
公开(公告)日:2014-10-31
申请号:KR1020130044759
申请日:2013-04-23
CPC classification number: B01J37/349 , B01J23/42 , B01J37/0221 , B82Y40/00
Abstract: 본 발명은 금속산화물 기판 또는 분말 상에 아크 플라즈마 증착법으로 증착된 금속 나노입자를 포함하는 나노촉매에 관한 것이다. 본 발명의 나노촉매는 금속 나노입자가 기판 또는 분말에 고르게 분포되면서 안정적으로 고착화됨으로써 우수한 촉매 활성을 갖고, 또한 아크 플라즈마 증착법을 이용하여 증착시 전압의 세기를 조절함으로써 증착되는 금속 입자의 크기가 조절될 수 있다.
Abstract translation: 本发明涉及包含通过电弧等离子体沉积方法沉积在金属氧化物衬底或粉末上的金属纳米颗粒的纳米催化剂。 本发明的纳米催化剂通过将金属纳米粒子稳定地固定在基材或粉末上,同时将金属纳米粒子均匀分布在基材或粉末上,可以获得优异的催化活性。 此外,可以通过使用电弧等离子体沉积方法通过控制沉积期间的电压强度来调节沉积的金属颗粒的尺寸。
-
公开(公告)号:KR1020140086743A
公开(公告)日:2014-07-08
申请号:KR1020120157585
申请日:2012-12-28
Applicant: 한국과학기술원
IPC: C01G23/047 , B82B1/00 , B82B3/00
Abstract: The present invention relates to a nitrogen doped porous TiO_2 nanostructure which has activity not only in the wavelength range of the ultraviolet rays, but also in the wavelength range of visible rays; and to a manufacturing method thereof. The nitrogen doped porous TiO_2 nanostructure of the present invention is characterized by having a plurality of pores of 200 nm or less. The manufacturing method for a nitrogen doped porous TiO_2 nanostructure of the present invention is characterized by comprising: (a) a step of mixing titanium alkoxide and an ammonia solution; (b) a step of filtering precipitates generated by performing mixing in the step (a); (c) a step of drying filtrates filtered in step (b); and (d) a step of heat-treating materials dried in the step (c).
Abstract translation: 本发明涉及氮掺杂多孔TiO_2纳米结构,其不仅在紫外线的波长范围内,而且在可见光的波长范围内具有活性; 及其制造方法。 本发明的氮掺杂多孔TiO_2纳米结构体的特征在于具有200nm以下的多个孔。 本发明的氮掺杂多孔TiO_2纳米结构体的制造方法的特征在于:(a)将烷氧基钛与氨溶液混合的工序; (b)在步骤(a)中过滤通过进行混合而产生的沉淀物的步骤; (c)在步骤(b)中干燥过滤的滤液的步骤; 和(d)在步骤(c)中热处理干燥的材料的步骤。
-
公开(公告)号:KR1020130043416A
公开(公告)日:2013-04-30
申请号:KR1020110107527
申请日:2011-10-20
Applicant: 한국과학기술원
CPC classification number: B01J38/18 , B01J23/44 , B01J23/464 , B01J23/468
Abstract: PURPOSE: The activation method of a transition metal nano catalyst and a transition metal nano catalyst activated thereby are provided to manufacture a transition metal nano catalyst in which a catalyst activation is improved regardless of the form of a catalyst with a simple process and obtain an economic effect by having a high reaction efficiency with the small amount of catalyst if the activated transition metal nano catalyst is used. CONSTITUTION: The activation method of a transition metal nano catalyst forms an oxide layer on the surface of a transition metal nano catalyst by chemically processing the surface of the transition metal nano catalyst. The transition metal nano catalyst is selected from a group consisting of rhodium, platinum, palladium, and iridium. The average diameter of the transition metal nano catalyst is 1 ~ 100 nm. The chemical surface process uses a method selected from a group consisting of an ultraviolet ray-ozone process or a plasma process. The ultraviolet ray-ozone process is performed by irradiating ultraviolet ray 150 ~ 300 nm in the ozone of 0.5 ~ 5 sccm. The plasma process performs the oxygen of 0.5 ~ 5 sccm with the power of 15 ~ 50W. The process is performed for 2 ~ 10 hours.
Abstract translation: 目的:提供过渡金属纳米催化剂和由此激活的过渡金属纳米催化剂的活化方法,以制备过渡金属纳米催化剂,其中催化剂活化随着催化剂形式的改进而改善,并且获得经济性 如果使用活化的过渡金属纳米催化剂,通过与少量催化剂具有高反应效率的作用。 构成:通过化学处理过渡金属纳米催化剂的表面,过渡金属纳米催化剂的活化方法在过渡金属纳米催化剂的表面上形成氧化物层。 过渡金属纳米催化剂选自铑,铂,钯和铱。 过渡金属纳米催化剂的平均直径为1〜100nm。 化学表面法使用选自紫外线 - 臭氧法或等离子体法的方法。 通过在0.5〜5sccm的臭氧中照射150〜300nm的紫外线进行紫外线 - 臭氧处理。 等离子体工艺的功率为0.5〜5sccm,功率为15〜50W。 进行2〜10小时。
-
-
-