楔石 的英文怎麼說
中文拼音 [xiēdàn]
楔石
英文
keystone-
Extraction at berkeley of a keystone from a tile on the stardust cometary dust collector
在伯克利進行的從「星塵」號彗星塵埃收集器中提取楔石。Dantes reflected that he must attack his wedge.
鄧蒂斯知道他必須先進攻那塊作為楔子的大石。Here we use robotically - controlled micromanipulators and extremely sharp glass needles to machine the aerogel, and extract tracks in tiny doorstop - shaped wedges of aerogel that we call " keystones "
在此我們用自動控制的顯微操作器和極其尖銳的玻璃針來加工氣凝膠,並取出含有軌跡的一小塊楔形凝膠,我們稱之為「楔石」 。The use of wedges is another widely spread method in quarries primarily for the dividing up of loose blocks.
採石場中另一種廣泛使用的方法是使用楔子來分割開松的塊石。Strobilus ( pl. strobili ) a group of sporophylls ( spore - bearing leaves ) arranged around a central axis, found in gymnosperms, lycophyta ( clubmosses ), and sphenophyta ( horsetails )
球果:孢子葉向中軸聚攏形成的結構,存在於裸子植物門植物、石松亞門植物(石松)和木賊綱植物中(楔葉類) 。In the clubmosses and horsetails only one type of strobilus is formed, while in the gymnosperms female megastrobili and male microstrobili both develop
石松和楔葉類只形成一種類型的球果,然而裸子植物既有雌性的大孢子葉球也有雄性的小孢子葉球。By using 5000kn pressure - bent testing machine, the specimens of boulder concrete and crushed stone concrete were tested through three - point - bending method and wedge - split tensile method, the scale division of the index dial of pressure - bent testing machine is larger, whereas the predicted test - load is lesser, so the velocity of exerted load is controlled through observing the reading of the multimeter which is connected with the collecting systerm in order to continuously exert test - load
本文使用5000kn壓彎實驗機,對不同強度等級的卵石混凝土和碎石混凝土試件分別進行了三點彎曲試驗和楔入劈拉試驗。試驗過程中,由於實驗機噸位較大,而試驗荷載預計較小,為了能夠有效地控制加載大小和加載速度,採用通過觀察與荷載傳感器相連的萬用表讀數控制加載速度的方法,連續加載。Then zheng he met celestial queen in his dream
第三折楔子寫鄭和船隊在亂石嶼中的遭遇。One of the wedge - shaped stones forming the curved parts of an arch or a vaulted ceiling
拱楔塊用於形成拱或穹窿的曲線部分的楔形石頭中的一塊In order to solve the shortcoming of traditional explosion w ; dge - shaped excavation in da ' anshan mine, improve the rate of excavation and reduce the consumption of explosive materials, a series of excavation shapes are applied and experimented in the rock tunnel excavate
針對大安山煤礦傳統的楔形掏槽爆破方式存在的弊端,本文提出在該礦進行新型掏槽實驗研究,用以增加巖石巷道掘進效率和減少掘進爆破材料消耗。A pointed tool, such as a spike or chisel, used for breaking rock or ore
鋼楔一種如尖鐵或鑿子等有尖的,用於劈裂巖石或砂石的工具Results the occlusion contact data and graph of wedge - shaped teeth defect had the features of trauma occlusion. 42. 97 % of them has the larger axial gradient degree, 96. 09 % of them has abration in different classes, 46. 29 % missing the front teeth and 57. 03 % missing the buccal teeth
方法採用臨床物理檢查和石膏模型測量,確定楔狀缺損牙軸傾度、磨損指數、牙缺失等指標;採用計算機圖像處理技術,自行編制軟體程式及硬體系統,測試被檢光(牙合)片,分析並提取楔狀缺損牙接觸(牙合)力、面積、接觸點(牙合)應力等資料和圖形信息。As to the basalt rock tunnel excavation, the gronlund shape is alright, the second shape is wedge - pentagon shape and the diamond shape is unsuited for basalt rock. through the analysis of experimental data and the results of explosion, the explosion rate is up to 85 %
對于玄武巖通過實驗結果和數據統計分析,得到gronlund (即變五星)掏槽比較適合於玄武巖巖石巷道掘進,其次是楔形+五星掏槽,而菱形掏槽在玄武巖中不適宜, gronlund (即變五星)掏槽形式其爆破效率達到85 %以上。The visibility of tracks in these tiny keystones is superb ( see picture below )
這些小楔石中的軌跡其可視性非常的好。Cutting v - belt series include : cutting type variable - speed wide v - belt stepless variable - speed belt for industrial application, classical cutting - type v - belts, cutting - type narrow v - belts, cutting type automotive v - belt, cutting type motorcycle v - belt, variable - speed v - belt half wide for agricultural machinery, v - belt of big wedge angle as well as v - belt products of various types and categori es. these products are widely applied to the gearing parts of equipments used in petroleum, chemical industry, light industry, mineral, metallurgy, textile and au tomobile and so on
切割式v帶系列產品包括:切割式工業用變速寬v帶無級變速帶切割式普通v帶切割式窄v帶切割式汽車v帶切割式摩托車v帶農業機械用變速半寬v帶大楔角v帶,及各種型號類型的v帶產品,廣泛應用於石油化1輕工礦山冶金紡織汽車等機械設備傳動裝置上。Since wedgeplug valves do not require seal lubricants, they are suitable for such services as liquid and gaseous oxygen and nitrogen, food products, refined products, and various other chemicals where the presence of greases used for plug seal lubricants would contaminate the products and be harmful
由於楔塞閥不需要密封潤滑,因此它們是用於下列應用,液態和氣態氧和氮,食品,精煉石油產品,以及各種其他採用閥塞彌縫潤滑油會污染產品和造成損壞的化工產品。During the tests we did not successfully extract any picokeystones
在測試期間我們沒有成功的提取出一塊微楔石。分享友人