2020-08-10 產品庫 - 無紡佈口罩錶麵缺陷檢測-外觀瑕疵 - 其他 - 外觀瑕疵 - 117.95.153.* - 訪問網站
無紡佈口罩的阻塵效率的髙低是以其對微細粉塵,尤其對 5微 米以下的呼吸性粉塵的阻隔效率爲標準。(外觀檢測)因爲這一粒徑的粉塵能直接入肺泡,對人體健康造成的影響至大。一般的紗佈口罩,其阻塵原理是機械式過濾,就是當粉塵沖撞到紗佈時,經過—層層的阻隔,將一些大顆粒粉塵阻隔在沙佈中。但是,對一些微細粉塵,尤其是小於 5微米的粉塵,就會從紗佈的網眼中穿過去,進入呼吸係統。現國外有一些防塵口罩,其濾料由充上永 ...(2/1)
2020-08-10 服務項目 - 開口銷安裝規範及裝配_歐曼汽車配件 - 通用零部件 - 歐曼汽車配件 - 117.95.153.* - 訪問網站
開口銷是一種機械零件,爲避免損壞孔壁,可在銷孔中加脂潤滑油,製作該零件需要使用優質鋼,(上海元修歐曼重卡中心庫)彈性好的剛性材料.開口銷是一種金屬五金件,俗名也叫彈簧銷!它是一種機械零件,爲避免損壞孔壁,可在銷孔中加潤滑油。通常使用優質鋼,彈性好材料製作而成。主要作用:用於螺紋連接防鬆。螺母擰緊後,把開口銷插入螺母槽與螺栓尾部孔内,並將開口銷尾部扳開,防止螺母與螺栓的相對轉動。用於螺紋連接防鬆。螺 ...(53/1)
2020-08-10 文章 - Where To Buy Soy Wax - 石蠟 - dkwax - 116.48.31.* - 訪問網站
Soy wax is kind of natural vegetable wax. It’s raw material is natural soybean oil, and for the healthy and natural source, the very good soy wax should be pure and do not blend with other wax. The pu ...(21/1)
2020-08-10 文章 - Solutions For Damage To Taps And Drills - 標準件 - starwdh - 116.48.31.* - 訪問網站
1. Add lubricating oil to the tap rupture, use a sharp tassel or cut something that can bear the force, and gradually knock it out on the reverse side of the break. Don’t forget to pour the iron from ...(9/1)
2020-08-10 文章 - Diesel Injector Construction And Operation - 汽車配件 - sinotrukhowo - 116.48.31.* - 訪問網站
Made of high-quality bearing steel, its mutual sliding cylindrical surface gap is only 0.001mm-0.0025mm. It can be obtained through high-precision machining or grinding. Different fuel injectors are n ...(25/1)
2020-08-10 文章 - What Is Superplasticizer Concrete? - 催化劑及化學助劑 - Alice Dai - 116.48.31.*
Concrete admixture is a chemical substance that is added during the mixing of concrete, cement paddle or mortar, before mixing or in additional mixing to improve the performance of concrete. In specia ...(3/1)
2020-08-10 文章 - Transparent Plastic Face Mask - Jinan Guangmei Paper Products Co., Ltd - 輕工設備 - Cindy Feng - 116.48.31.*
Hypertrophic scars caused by facial burns can have a detrimental effect on patient’s mental well-being. The cornerstone in treating hypertrophic scars in the face consists of exerting mechanical press ...(12/1)
2020-08-10 文章 - What Is Anti Fog Pvc Cling Film? - QingDao LongYouRu Packing Co., Ltd - 包裝袋 - Cindy Feng - 116.48.31.*
Anti-fog agents, also known as anti-fogging agents and treatments, are chemicals that prevent the condensation of water in the form of small droplets on a surface which resemble fog.
Anti-fog treat ...(33/1)
2020-08-10 文章 - Aluminum Doors And Windows Making Machines - Shandong Care Machinery Technology Co., Ltd - 數控設備 - Cindy Feng - 116.48.31.*
Today let's talk about aluminium doors and windows.
Aluminum alloy doors and windows refer to the doors and windows made of aluminium alloy extruded profiles as frames, panels and fans. They are ca ...(10/1)
2020-08-10 服務項目 - 辦公室裝修不應犯錯誤_上海辦公室裝修 - 維修 - 上海辦公室裝修 - 117.95.153.* - 訪問網站
辦公室裝修牆紙和乳膠漆的顔色要選用較明快的色調,不能選用催眠的色調,(上海廠房裝修)讓每個員工能保持髙度的工作熱情。髙檔辦公室裝修設計知識牆麵:一般採用牆紙或乳膠漆;牆麵採用牆紙會顯得比乳膠漆要髙檔一些。在辦公空間中,窗簾一般會選用垂直百葉簾,卷簾隻有在會議室和總經理辦公空間中才出現;垂直佈簾原則上不宜用在辦公空間中。
大多現代髙檔辦公室的設計在天花用材都比較簡單,常用石膏闆和礦 ...(5/1)
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