針柱石 的英文怎麼說
中文拼音 [zhēnzhùdàn]
針柱石
英文
couseranite-
Endocyte of the former was styloid, otherwise the latter was typical raphide
石菖蒲細胞內的晶體為柱狀晶，而馬蹄蓮為針晶。According to the characteristics of pinnoite in dachaidan, a new technology of preparing boric acid with two - step sulfuric acid method was studied
摘要針對大柴旦柱硼鎂石礦特點，對酸法制硼酸進行了工藝優化研究。The function of stone artistic splice complete through to established basic design or source material warehouse with the help of others graph process software. besides author come up with a new program or machine method in accordance with stagger in the thicknes and vertical length at the stone sticking execution, i. e ensure the accuracy in measurement to approach subsection by space spiral line, the data used directly by numerical control machine. finally machined the stone become a spiral line columned surface arc slab
此外，針對旋轉樓梯扶手石材貼片施工時所出現的厚度和垂直方向易產生較大錯邊的問題，提出了一種新的建模方案和加工措施，即在保證測量精度的基礎上，分段以空間螺旋線逼近，經過計算機處理后的參數直接可供數控加工使用，最後把石材貼片加工成螺旋線型的柱面弧形扳。The tourmaline is a kind of boron and silicate mineral, calling " the green imperial or royal seal " of the gems, there are its colors in many, the crystallization has nothing in common with each other, the crystal structure has tripartite crystal, six arrises body, post form body and one bunch of needles form fibrous respectively, the hardness of the tourmaline is generally about 7. 3 - 9. 6, the relative density is 3. 03 - 3. 25
式中r代表金屬陽離子，當r為mg2 fe2或li al3時，分別構成鎂電氣石黑電氣石和鋰電氣石三個端員礦物種。電氣石晶體呈近三角形的柱狀，兩端晶形不同，柱面具縱紋，常呈柱狀針狀放射狀和塊狀集合體。3. because traditional coupling system composed with cylinder lens and focus lens has the disadvantages of difficult to encapsulation and modulate, a new practical method brings forward : the output light from laser diode is collimated using a section of optical fiber with the diameter of 600 m instead of cylinder lens, and a sphere ? end lens
3 .針對由柱透鏡和聚焦透鏡組成的組合透鏡耦合系統中存在的封裝和調試困難等問題，提出了:用一段直徑為600 m的裸石英光纖代替柱透鏡，對半導體激光器輸出光束進行準直整形;用球透鏡光纖對準直后的光束進行聚焦，直接實現和光纖耦合，來代替聚焦透鏡和光纖耦合的環節。Stone forest, which is a kind of rare karst geomorphology and called as pinnacle karst in other countries, refers to the forest - like landform composed of the stone pillars more than 5 meters high and resulted from longtime dissolution of limestone along joints
石林是一種稀有性的喀斯特地貌形態，是指石灰巖在長期的喀斯特作用下，沿節理溶蝕而形成的高5m以上的石柱組成的林狀地貌景觀，國外稱為針狀喀斯特或劍狀喀斯特。分享友人