نتایج جستجو برای: d45

تعداد نتایج: 93  

Journal: :Sangyo eiseigaku zasshi = Journal of occupational health 2007
Jun Ojima

実験では,軽作業台(W60 cm×D45 cm×H70 cm) 上に浦和工業(株)製マイクロ・グラインダ,ユーホビ ー標準セットUC100,HB1(使用電源電圧100 V,最高 回転速度 25,000 rpm(実験時は 15,000 rpmに設定), 5 mmφカーボランダム砥石GC-12,P2005装着)を設置 し,ここにアクリル製回転架台軸上に固定した円筒状被 削材(φ 8.5mm,63mmの焼成粘土管)がバネ張力によ り常に一定の力(150 gw)で押し当たるよう配置し, さらにそこへ上半身人体模型(等身大トルソー)を向き 合わせて研磨作業者の再現とした.1回の研磨時間は連 続3分間とし,研磨時間中の吸入性粉じん(PM4)の質 量濃度を柴田科学(株)製慣性衝突式個人サンプラー NWPS-254,ミニポンプ MP-Σ300(吸引流量 2.50 L/ min)およびガラス繊維ろ紙T...

2010
Shengping Zhang Han Miao Xing-fang Gu Yuhong Yang Bingyan Xie Xiaowu Wang Sanwen Huang Yongchen Du Rifei Sun Todd C. Wehner

Scab, caused by Cladosporium cucumerinum Ell. et Arthur, is a prevalent disease of cucumber (Cucumis sativus L.) worldwide. Scab can cause serious losses for cucumber production, especially in protected culture such as high tunnel production. Resistance to cucumber scab is dominant and is controlled by a single gene, Ccu. Breeding for resistant cultivars is the most efficient way to control the...

Journal: :Electr. J. Comb. 2004
Bernd Sturmfels Josephine Yu

There are 339 combinatorial types of generic metrics on six points. They correspond to the 339 regular triangulations of the second hypersimplex ∆(6, 2), which also has 14 non-regular triangulations. 1 The Metric Fan We consider the cone of all metrics on the finite set {1, 2, . . . , n}: Cn = { d ∈ R(n2) : dij ≥ 0 and dij + djk ≥ dik for all 1 ≤ i, j, k ≤ n } . This is a closed convex pointed ...

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