JI Z J, HAN B, HOU G Y, et al. Electromagnetic wave absorbing properties of cement-based expanded perlite mortar with graphite[J]. Materials Science and Technology, 2011,19(2):15-18.

[17] 冀志江，韩斌，侯国艳，等。 石墨为吸波剂水泥基膨胀珍珠岩砂浆吸波性能研究[J]。 材料科学与工艺，2011，19（2）：15-18。

youdao

Metrics vary depending on the activity -- surfers, for example, will track the number of paddles, waves attempted and ridden, max g-force and the longest wave.

ENGADGET

Sears, for example, has developed a response model based on weather, e.g. targeted emails on window AC units during a heat wave targeted at relevant zip codes 3-5 days after a heat wave.

FORBES: How To Reach Today's 'Channel-Surfing' Customers

Ferrari World, an enormous, family-friendly theme park on Yas Island, offers thrill rides that imitate the g-forces of Ferrari racing, and Yas Waterworld Abu Dhabi just opened in January with epic waterslides and wave pools.

FORBES: Why To Visit Abu Dhabi In 2013