Air pollution in Beijing reached a high level of 99 on the Air pollution Index on Friday as a sandstorm from the northwest shrouded the capital in dust, the China News Service reported.

据中国新闻社报道，北京市区13日遭遇了来自西北方的沙尘袭击，当天该市污染指数一度达到99。

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The pharmacodynamic parameters indicated that the affinity index and action intensity of PL and TS were significantly reduced in solution containing high level insulin.

药效动力学参数表明，高胰岛素环境中酚妥拉明和妥拉苏林作用亲和力指数和作用强度明显减小。

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The pulp level of flotation cell is a very important technological index in flotation process, on whose control there are high requirements.

浮选槽液位是浮选过程中一个很重要的工艺指标，液位控制有较高要求。

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The VIX Index (aka the Fear Index) is also showing a low level of fear (high level of bullishness and complacency), bouncing around 20, in the area associated with rally tops since the last bull market ended in 2007, as marked by the vertical red lines in the chart below.

FORBES: Investor Bullishness, Low Fear Level Hint At Market Top

On March 11 the Japan REIT index reached a four year eight month high, 10% above the level immediately preceding the Lehman shock.

FORBES: Whither Japan Stocks: Is the Bullish Case Still Intact?

At the beginning of 2004, the real yield of the high yield index stood at 5.20%, only slightly higher than the May 2011 level of 4.78%.

FORBES: Are "High" Yield Bonds At Only 7% Worth The Risk?