diameter 中文意思是什麼

音標 [dai'æmitə]
diameter 解釋
n. 名詞 1. 直徑。
2. （顯微鏡等的）放大倍數。

  1. Test method for determining solar or photopic reflectance, transmittance and absorptance of materials using a large diameter integrating sphere

    用大直經積分球測定材料的太陽能或光反射性，透明性和吸收性的試驗方法
  2. With methyl methacrylate the particle diameter increases linearly with conversion indicating particle aggregation.

    採用甲基丙烯酸甲酯時，粒子直徑隨轉化率呈直線增大，這就表明粒子發生了聚集。
  3. Abstract : two important factors, the loss of the catalyst components and the change of the catalyst particle diameter, which lead to the decay of the catalyst for amination of fatty alcohols, were studied. the dimension analytic method is applied successfully to determine the relations among the components loss, the particle diame - ter and the times of the catalyst used in repeated experiments

    文摘:對引起脂肪醇胺化用催化劑失活的重要因素? ?組分流失及粒徑變化進行了研究，運用因次分析方法將催化劑的重復使用次數、組分流失及粒徑等因素進行了關聯，並取得了成功。
  4. Test method for diameter of angora ribbit hair

    兔毛纖維細度試驗方法
  5. The annulus is a 1 - foot - diameter ring of silvery material

    「滅靈之環」是銀色質地的1 ?直徑的環形物。
  6. Ring's diameter increases as we move away from the apex of the cone.

    諸圓環的直徑自圓錐頂逐漸增大。
  7. If the diameter of the pupil is 6 mm the eye is able to separate 120 seconds of arc.

    如果瞳孔直徑為6毫米，人眼可分辨120弧秒。
  8. In vitro induction, differentiation and seeding of source cells for the endothelialization of small - diameter artificial blood vessel of polyurethane

    小徑聚氨酯人工血管內皮化種子細胞的體外誘導分化及種植實驗
  9. And the technique index is the 8 : 1 depth - diameter aspect ratio

    其技術指標為長徑比高於8 : 1板材深引伸技術。
  10. Suitable match different piston displacement and different wheel diameter of atv

    適配不同排量不同輪徑的沙灘車
  11. The method of modified simplex was applied to optimize the models, and the fitting results show that liu - logistic model was more suitable than logistic model to the actual growth trend of form. taxus chinensis var. mairei population, and the highest growth rate of basal area was the tenth age class, namely the phase when breast diameter was 68 ~ 76 cm

    以胸高斷面積代替種群生物量，分別採用logistic常規模型及劉金福提出的logistic改進模型對南方紅豆杉種群的增長動態進行研究，運用改進單純形法對模型進行優化，擬合結果表明改進模型比logistic常規模型更符合南方紅豆杉種群的增長趨勢，南方紅豆杉種群的最大增長速度出現在第10齡級，即胸徑為68 76cm時期。
  12. The probe couples via a splice bushing to a bifurcated optical fiber assembly ( fiber diameter varies according to the probe specified )

    探測器經過套管與分部光纖裝配在一起（根據探測器的說明有不同直徑的光纖） 。
  13. In effect, nanotubes act as wires a few billionths of a metre in diameter

    實際上，碳納米管起著金屬絲的作用，其直徑僅為十億分之幾米（幾納米） 。
  14. It presentes the modal of " bimorph degradation ". unwoven meshes were formed by pdlla / ha composite fibers with diameter of 10 ~ 15 m and embedded by i collagen albumen, polylysine and collagen albumen of the rats " tails

    前期降解較為緩慢， ph值基本穩定地保持在7 . 0左右， ha真正起到了代償pdlla降解引起的ph下降的作用，有助於防上無菌性炎癥的發生，也有利於細胞生長和組織形成。
  15. A circle is bisected by any diameter

    圓被任一直徑二等分。
  16. The structure of air - blast pipe was improved on. an orienting object was installed based on theoretical analysis, that increase the spraying span. it has been found that both spraying span and droplets uniformity improved, by installing the orienting object. according to the results of a great number of experiments, orderliness of droplets diameter along the spraying span was researched, and rational spraying span of air - assisted sprayer was suggested

    通過試驗檢驗噴霧機樣機的噴霧性能，並提出對各項參數的優化設計方案。通過正交試驗和對比試驗對霧滴取樣，證明導流器的安裝不僅增加了噴幅，而且還提高了霧滴均勻性系數。根據大量試驗的結果分析，找出了霧滴直徑在噴幅方向上所呈現的變化規律，並提出了合理的噴幅范圍。
  17. It focuses on the theory of the mineral functional materials " improving the anti - chloride permeability and the chloride binding. the main achievements of this article include : 1 ) use the technology of xrd, sem, bet, laser particle size distributor etc to test the component, the construction, particle size distributor, specific surface etc of micro - silica, ultra - fined slag, high quality fly ash, meta - kaolin clay, four types of the mineral functional material, theoretically analysis the functions which the four mineral functional minerals act on cement concrete, namely pozzolanicity effect, filling effect, micro - aggregate effect, surface adsorption effect and so bring into play the affect of plastification, lowing of temperature, reinforcement, improvement of durability. base on this analysis we can conclude that the proper diameter of the mineral functional material is 5 m - 15 m, that is blain fineness 4500cm2 / g - 7500cm2 / g

    本論文的主要成果包括以下幾個方面： （ 1 ）採用xrd 、 sem 、 bet 、激光粒度分析儀等多種測試手段，探明了以硅灰，超細磨粒化高爐礦渣，優質粉煤灰及偏高嶺土超細粉等4種超細礦物功能材料的組成、結構、粒度分佈、比表面積等基本性質；從理論上分析了礦物功能材料在混凝土中的4種效應，即火山灰效應、填充密實效應、微集料效應、表面吸附效應，並由此發揮出增塑、溫峰削減（降熱） ，增強及耐久性改善等作用；通過相關理論分析，推導出礦物功能材料的合理粒徑范圍在5 m 15 m ，即勃氏比表面積為4500cm ~ 2 g 7500cm ~ 2 g 。
  18. Fruit oblate, 1. 7 cm in diameter, base with persistent bracts and sepals

    果扁球形，直徑1 . 7厘米，基部托以宿存苞片和萼片。
  19. Brown ' s attention was drawn to a brassy metallic rod three inches in diameter hanging down from the apex of the center of the room and at its end was attached a many - facetted red gem, which tapered to a point

    布朗的注意力被從中心的最高點頂端懸掛下來直徑3英寸象黃銅的金屬竿吸引住了，而它的末端被附上許多有多面體的紅色珠寶。
  20. The results showed that ( 1 ) the difference of 10 kinds of burbles of the downy feather are resemble in the form ; ( 2 ) the other 10 species burbles of the downy feather has changed remarkable in the form and diameter of nodes and pigments distributing

    結果表明： （ 1 ）雉科10種絨羽羽小枝形態變化甚小； （ 2 ）不同目10種絨羽羽小枝在節間長度、節的直徑以及節的形態、色素分佈等變化很大。
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