Pb2O3试样1.234g，用20.00cm30.2500mol·dm-3H2C2O4溶液处理，这时Pb(Ⅳ)被还原为Pb(Ⅱ)。将溶液中和后使Pb2+。定量沉淀为PbC2O4，过滤。滤液酸化后，用0.04000mol·dm～KMnO4溶液滴定，用去10.00cm3。沉淀用酸溶解后，用同样的KMnO4溶液滴定，用去30.00cm3。计算试样中PbO的质量分数和PbO2的质量分数...
marine.A tube through which anchor chain is led overboard from thewindlass wildcat on deck through the ship side. A doubling plate is fitted around it at the forecastle deck and a chafing ring at the ship side. What is bow bow? 1 :the bark of a dogalso : dog. 2 : noisy clamor. 3...
a王美娟手痒 Wang Mei the winsome hand itches [translate] ai lose my way i lose my way [translate] a请告诉我你的表几点了 Please tell me you Table several [translate] aforecastle 前甲板 [translate] aCould anyone tell me'What is the reality. 能任何人告诉me'What是现实。 [translate] ...
The word 'fore' is Scottish in origin, and is a shortened version of the word'before' or 'afore. ' The old Scottish warning, essentially meaning "look out ahead," most probably originated in military circles, where it was used by artillery men as a warning to troops in forward positions...
a玻璃钢底壳,一幅船桨,修理筒,打气筒,一个坐板,前舱,方向盘,驾驶台 The glass fiber reinforced plastic bottom shell, an oar, repairs the tube, the air pump, a seat board, forecastle, steering wheel, bridge[translate] a虽然我给不了你一时的 Although I could not give you for a while[transla...
localised NMEA 2000 networks to be created and then linked together using OneNet Gateways. As an example, a vessel could have NMEA 2000 networks in the forecastle, engine room, and bridge with a OneNet network joining those together into a seamless data network, where distance is no longer an...
Coordinate terms * forecastle Related terms * poop deck External links * ("aftcastle" on Wikipedia) Text is available under the Creative Commons Attribution/Share-Alike License; additional terms may apply. See Wiktionary Terms of Use for details. Privacy Policy | About Us | Contact Us...
And then she would go on deck and take a look from the forecastle at a sea which was a brighter blue each morning and drink in an air that was a little warmer day by day. After that came breakfast and such an appetite as one only has at sea. 2 - She spent a good deal of ...
___ is atube(管子)that leads the chain to the forecastle deck, and the spaying water in the tube cleans the chain during heaving of the anchor. A. Anchor locker B. Anchor recess C. Hawse pipe(锚链筒) D. Spurling pipe 查看完整题目与答案 According to the materials ...
a玻璃钢底壳,一幅船桨,修理筒,打气筒,一个坐板,前舱,方向盘,驾驶台 The glass fiber reinforced plastic bottom shell, an oar, repairs the tube, the air pump, a seat board, forecastle, steering wheel, bridge [translate] a通过刻苦学习 Through assiduous study [translate] ...