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  1. ...: maintenance is easier as motor / pump coupling may not be required to be ... on both sides, when grouped into paraller operation, they have to be arranged in a vertical...

    分類:科學及數學 > 工程學 2010年01月23日

  2. (i) COP = 50 000/W where W is the power input into the heat pump hence, 3.5 = 50 000/W i.e. W = 50000/3.5 kJ/h = 14 286 ...

  3. ...there is something called sponge filter. an air pump is, of course, a pump that pushes air through a tube and into water. but in a sponge filter, you only need to attach an air pump to it. as the air...

    分類:寵物 > 魚兒 2008年01月28日

  4. ... to release potassium ions inside the cell so the pump is ready to go again. Physiology As...import glucose, amino acids and other nutrients into the cell. Translocation of sodium from one side of...

    分類:科學及數學 > 生物學 2006年11月07日

  5. ...叫石灰水d) is also called lime water test, if CO2 is pump into lime water, lime water will turn milky because of white solid calcium carbonate present.

    分類:科學及數學 > 化學 2007年04月02日

  6. It is very normal when you have sex in doggy style. When he moved in and out, he also pumped into air too, that is why you have gas passed out. Do not worry, absolutely normal.

  7. ...participle) An active participle after the main clause can express result. They pumped waste into the river and killed all the fish. They pumped waste into the...

    分類:社會及文化 > 語言 2012年11月30日

  8. ...ball 持球 show onto foot woodwork 門框 = goal post 門柱 + bar 橫楣 overload 超負荷 pump ball into box 吊球入"禁區" shoot on sight 見到(空位)就射球 work ball into box...

    分類:社會及文化 > 語言 2012年06月27日

  9. ...with sulphuric acid easily. When SO3(g) is directly pump into water, acid vapour will be produced and water ionization rate is...

    分類:科學及數學 > 化學 2007年11月03日

  10. ...2/5 m ===== 2. The water in a rectangular tank with a base of 20m by 25mis pumped into a cylindrical tank of base radius 10m through a pipe of diameter60cm at a rate of 1.5m/s...

    分類:科學及數學 > 數學 2011年07月23日