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- In addition,the specific gravity of wood (SGW) decreased with the tree height increasing. 木材的基本密度隨樹(shù)高部位上升而有遞減趨勢。
- Granted the weight and the specific gravity of a body, we can calculate its volume. 假設已知一個(gè)物體的重量和比重，我們就能算出它的體積。
- A hydrometer for measuring the specific gravity of urine. 尿比重計衡量尿的比重的液體比重計
- A hydrometer used to determine the specific gravity of acid solutions. 酸液比重計用來(lái)測定酸液比重的液體比重計
- Magnesium is a light metal--having a specific gravity of 1.74 at 20 degrees C. 鎂是一種輕金屬，在20攝氏度時(shí)的比重為1.;74。
- Granted the weight and the specific gravity of a body,we can calculate its volume. 假設已知一個(gè)物體的重量和比重，我們就能算出它的體積。
- In this range, the pressure drop increases in proportion to the specific gravity of the mixture. 在這個(gè)范圍內壓力差的增加與深水的比重成比例。
- The specific gravity of a material is the ratio of its density to that of water and is therefore a pure number. 物質(zhì)的比重指的是物質(zhì)的密度與水的密度的比值，所以是純數。
- Hydrometer An instrument used for measuring the specific gravity of a liquid or solution. SeeBaume hydrometer. 量度液體或溶液的比重的儀器。參閱波美比重計。
- You may tell the specific gravity of a certain object by knowing its weight in air and its weight in water. 只要知道某一物體在空氣中的重量和在水中的重，你就能說(shuō)出其重量。
- Hydrometer: An instrument used for measuring the specific gravity of a liquid or solution. 比重計:量度液體或溶液的比重的儀器。
- He joined the two pieces of wood together with glue. 他用膠水將這兩塊木料黏在一起。
- A standard vessel used in measuring the density or specific gravity of materials. 比重瓶一種標準容器，用于測量物質(zhì)的密度或比重
- He shored up the wall with a thick balk of wood. 他用一根粗大的木頭把墻撐住。
- Properties: White powder with Specific Gravity of 7.10, easily absorb moisture, without flammability and causticity. 物理性能：白色粉末，比重7.;10，易吸濕，無(wú)可燃性和腐蝕性。
- The sturdily constructed instrument optically measure specific gravity of aquous solutions. 堅固結構光學(xué)儀器用于測量水溶液的比重。
- That lathe is used for shaping pieces of wood. 那個(gè)車(chē)床是用來(lái)加工木材的。
- The specific gravity of the solution should be kept above the prescribed minimum. 溶液比重不能低于下限。
- Don't let the fire go out; there's plenty of wood. 不要讓火滅了，有的是木柴。
- Computed Tomography-Estimated Specific Gravity of Noncontused Brain Areas as a Marker of Severity in Human Traumatic Brain Injury. 使用斷層攝影術(shù)評估非損傷腦的特殊比重作為反映人創(chuàng )傷性腦損傷嚴重度的一個(gè)指標。
