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- This means that the fall velocity of sand particles in such suspensions will be less than in clear water. 這意味著(zhù)這種懸浮物中的沙粒的沉速將比其在清水中為小。
- To control the fall velocity and the fall attitude of the sub-munitions can highly improve the damage efficiency. 摘要控制子母彈子彈的落速和落姿可以大大提高子母彈的毀傷效能。
- A reduction of the rising velocity of the process air in the filter dome resp. an improvement of the falling velocity by elimination of the space displacement of the filter insert. 每個(gè)過(guò)濾器都采用高度獨立式安裝,過(guò)濾腔體采用圓柱體形設計,降低了流化氣體進(jìn)入腔體后的運動(dòng)速度,反吹除塵時(shí),亦可使物料緩慢有序重返工作區。
- Fall velocity in clear water and silty water 泥沙顆粒在清水和渾水中的沉速
- Fall velocities are usually measured by observing individual grains settling in a column of still fluid. 沉速通常是由觀(guān)測單個(gè)顆粒在圓柱筒內靜止的液體中沉降來(lái)測定的。
- The suspended sediment of natural streams is usually made up of grains with a broad spectrum of sizes and fall velocities. 天然河流的懸沙，通常系由各種大小尺寸和沉速的粒子組成。
- It seemed an eternity before news of his safety reached her. 他平安的消息到達她那里之前，那段時(shí)間似乎是無(wú)限漫長(cháng)的。
- Thanks to I had tied then the safety belt. 幸虧我當時(shí)系上了安全帶。
- The ship came about and headed back for safety. 這只船掉過(guò)頭往回開(kāi)到安全地帶去。
- I don't wonder you were anxious about their safety. 你為他們的安全著(zhù)急，我是不奇怪的。
- In the end they reached a place of safety. 他們終于到達了一個(gè)安全的地方。
- When do the new safety rules come into force? 新的安全規則何時(shí)生效?
- The safety precautions are totally inadequate. 這些安全措施完全不合格。
- I'm worried sick about my son's safety. 我十分擔心我兒子的安全。
- If I lose my job, I've got no safety net. 我丟掉這份工作就無(wú)計可施了。
- We're all concerned for her safety. 我們都為她的安全擔憂(yōu)。
- The new aircraft is undergoing safety tests. 這種新飛機正在接受安全性能檢驗。
- His long absence raised fears about his safety. 他長(cháng)期不在引起了大家對他的安全的擔心。
- The new safety regulations are now in force. 新的安全規則現已生效。
- The report is scathing about the lack of safety precaution. 該報道對缺乏安全預防措施一事嚴加指責。
