ball powder 中文意思是什麼
ball powder
解釋
球形火藥-
I gave each of them a musket with a firelock on it, and about eight charges of powder and ball, charging them to be very good husbands of both, and not to use either of them but upon urgent occasion
我還給了他們每人一支短槍，都帶著燧發機，又給了他們八份彈藥，吩咐他們盡量節約使用，不到緊急關頭都不要用。 -
W - cu composites prepared from the precipitation w - cu powder have higher sintered density, better mechanical and physical property, more homogeneous and finer microstructure than those prepared from w - cu powder by the balling - reduction method. in chapter 5, a combination of homogeneous precipitation and ball - milling process, namely the mechano - thermochemical process was employed to prepare ultra - fine w - cu powder
其中，球磨w一cu復合粉（ hp一m ）壓坯在1150下燒結30min后，可獲得相對密度大於99 %的幾乎全緻密的超細晶粒w一cu復合材料， w的顆粒度小於0 . 5林m 。 -
It was found that the mo - cu compound powder after high energy ball milling was in a inequilibrium energy storage state
本文通過對mo - cu復合粉末的機械合金化研究表明，經過高能球磨后的mo - cu復合粉末，處于非平衡儲能狀態。 -
Manufacturing of flake aluminum powder from foil scrap by dry ball milling process
環保型溫度保險絲用易熔合金的研製 -
From this moment vampa devoted all his leisure time to perfecting himself in the use of his precious weapon ; he purchased powder and ball, and everything served him for a mark - the trunk of some old and moss - grown olive - tree, that grew on the sabine mountains ; the fox, as he quitted his earth on some marauding excursion ; the eagle that soared above their heads : and thus he soon became so expert, that teresa overcame the terror she at first felt at the report, and amused herself by watching him direct the ball wherever he pleased, with as much accuracy as if he placed it by hand
從此以後，萬帕就把他全部的空余時間都用來練習使用這寶貴的武器上了，他買了火藥和子彈，無論什麼東西都可以被他拿來當目標長在沙坪山上的滿身苔蘚的橄欖樹的老樹干，從地洞里鉆出來覓食的狐貍，在他們頭頂上翱翔的老鷹。所以不久他的槍法就非常準確了，以致最初一聽到槍聲就害怕的德麗莎也克服了她的恐懼，竟能很有興趣地看著他隨心所欲地發彈射物，其準確程度，真象彈靶近在幾尺一樣。 -
On the base of milling ball interaction during milling process, the powder height of each collision can be calculated. if the impact of milling ball takes as hertz elastic collision, the maximum real strain and the maximum tangential strain are obtained as follows, e, . , ln [ h, / ( h0 ? vrcos6 / 2 ) ] = vrsin6 / h0 ? / q, t2rt2 / 2om ~ h, j where s, p, v are maximum real strain, the maximum tangential strain, friction coefficient and the velocity of milling ball
對球磨過程中磨球相互作用作了一些假設后，可以計算出每次碰撞所獲得粉末體高度值；將磨球的碰撞作為hertz彈性碰撞，碰撞時的速度分解為法向速度和切向速度得出粉末的最大真應變和最大切應變為湖南大學材料物理與化學專業碩士論文r 。 -
The character of tube roll mill is that it combines the advantages of ball mill and roller, then great improves the grinding efficiency through the study of the grinding theory of tube roll mill, pressing stress, grinding effect and the comparation between roller and vertical mill, this text combined the national important technology equipment crert item - - tube roll milling developing item, gets following results : firstly, because of the special structure of tube and roll, powder from single particle grinding in the early peried contincely transit press grinding stage, it better stops the loss of splash energy, secondly, during the grinding progress, powder form loose to dense fully uses the nonsmoth surface of particle and stress focus to make its stress lower than roller " s
本文結合國家重大技術裝備國產化創新項目-筒式輥碾磨開發項目，通過對筒輥磨的粉磨機理、層壓應力的分析、粉磨效果的研究及與輥壓機、立磨粉磨效果、粉磨機理的比較，可知：首先，由於筒與輥的特殊結構方式，筒輥磨內粉體由初期的單顆粒破碎逐漸過渡到層壓粉碎階段，較好地防止了飛濺能的損失，其次，在粉磨過層中，粉體由疏鬆到密實，充分利用了顆粒的非光滑表面及應力集中效應使其應力低於輥壓機。實驗證實，筒輥磨的粉磨效果大大優于立磨和輥壓機。 -
The adding of process - control agent can effectively keep the powder from sticking to the milling ball and the inner wall of containers. the increase of rotating velocity and the ratio of ball to powder can accelerate the phase transformation and thus shorten the alloying time
加入過程式控制制劑，可以有效地防止粉末粘覆磨球和罐內壁；球磨轉速的提高和球粉比的增加，都會加速相轉變過程，從而縮短合金化時間。 -
With the reference of many relevant materials, the author prepared a fined molybdenum disulfide powder with a average size of 800nm by ball milling, and a nano - copper with average size of 30nm in micromulsion solution method, and synthesized surface - modified titanium dioxide nanoparticles with average size of 40nm in organic media via sol - gel method. the tribological performances of three particles were studied by universal test as well, with the result of fined molybdenum disulfide powder with good reducing wear and antiwear performance at low load, nano - copper with good reducing wear and antiwear performance at high load, surface - modified titanium dioxide nanoparticles maintaining stable reducing wear and antiwear performance from low load to high load due to its characteristics of organic and inorganic nanocomposite. the results indicate that the nanocomposite is the most perspective oil additive. the reducing wear and antiwear mechanism of nano oil additive was studied with in - situ tribochemical principle. nano additives possess broadly developing prospect with its above - mentioned performance
在參閱了大量文獻的基礎上，分別採用了球磨法、微乳液法、溶膠?凝膠法制備了超細二硫化鉬、納米銅粒子、表面修飾納米二氧化鈦，經原子力顯微鏡測試，獲得的超細二硫化鉬的粒度平均在800nm以內，納米銅粒子平均粒度約為30nm ，表面修飾納米二氧化鈦平均粒度約為40nm ，在萬能摩擦磨損試驗機上測試了三種粒子的摩擦學特性，結果表明：在合理的添加濃度范圍內，超細二硫化鉬在低載時具有優良的減摩抗磨性能，納米銅在高載時具有比較好的減摩抗磨性能，表面修飾二氧化鈦粒子因具有有機與無機復合物的特性，從低載到高載都保持穩定的減摩抗磨性能。 -
This ga - bp network model was used to study the technological disciplinarian of the ball mill process. lastly, the important guidelines of the preparation of superfine quartz powder was optimized based on ga theory
經過理論檢驗和試驗驗證，證明了該模型的正確性，並應用ga - bp網路模型，對球磨過程的工藝規律進行了研究。 -
Long term ball - milling deteriorated the magnetic properties. the reason is the oxidation of the powder
過分的延長球磨時間將導致粉末氧化嚴重，惡化磁體的磁性能。 -
Amorphous can be obtained at certain composition range using ball milling. the size of the amorphous particles decreases with the lengthening of milling time, and reaches several nanometers. experiment also shows that the mixture powder is well ferromagnetic
實驗發現，在一定成分范圍內通過球磨可以獲得非晶，非晶粉末顆粒大小隨球磨時間的延長而減小，最終達到幾個納米；同時發現，該混合粉末具有良好的鐵磁性。 -
A study on the granularity of tiny slag powder produced by ball milling and vertical milling
球磨和立式磨礦渣微粉的粒度特性研究 -
Fine ni3al powders with an average grain size of 6. 1 m were firstly prepared by shs method and mechanical grinding for 36ks with the ratio of ball to powder at 3. 5. the effects of grinding condition and heat treatment technique on the morphology, microstructure and composition as well as crystal structure of the prepared ni3al powders were discussed
首先採用機械粉碎法在36ks的粉碎時間和球料比為3 . 5的工藝條件下獲得了平均粒度為6 . 1 m左右的ni _ 3al微粉，重點討論了粉碎條件及熱處理工藝對ni _ 3al微粉的形貌、微觀結構、物相組成和晶體結構等的影響。 -
Firstly, the mechanism of the preparation of superfine quartz powder with ball mill is studied in this article, based on nature of quartz material, griffith ' s strength theory and the crush theory of planetary ball mill. the problem of granulation during the process of the preparation of superfine quartz powder is studied minutely. and proposed increasing dispersant and disperser medium to restrain granulation, and dispersing use ultrasonic after milled
首先，本文結合石英材料的基本物性，以格里菲斯強度理論和行星式球磨機的粉碎原理為基礎，研究了球磨法制備超細石英粉體的機理，同時對粉石英制備過程中的團聚問題及其控製作了細致的研究，提出粉磨過程中增加分散劑和分散介質來抑制團聚，粉磨后採用超聲法進行分散，並確定了最佳分散劑、分散介質的用量和最佳超聲分散時間。 -
Application of stirring ball mill to ultrafine crushing of heavy calcium powder
攪拌球磨機在重鈣粉超細粉碎中的應用 -
Study on preparation of super - fine powder by ball - stirring mill
用攪拌磨製備超細粉體的試驗研究 -
The cementing metal and carbon nanotubes ( cnts ) were added into the milled solid solution of w - c. by ball milling not only the additives were well dispersed in the the powder but also the size of cementing metal crystal was reduced, which was in favor of the reinforcement of alloys
在w _ （ 50 ） c _ （ 50 ）球磨製得的粉體中直接加入粘結金屬和碳納米管，利用高能球磨混合，提高它們在粉體中的分散程度的同時可以進一步減小粘結相的晶粒尺寸，有利於提高材料性能。 -
Experimental results show that the grains were gradually triturated to namometer size with milling time and the grain size might be 30nm or so, but the grain size was not decreasing after the powder has been milled for 25 hours. the nano - sized sic was synthesized by ball milling of si and c mixed powders which rare earths as a additive was added to
結果表明：隨著時間的延長，粉末逐漸細化至納米級，可以細化到30nm左右，但球磨時間超過25h后粉末顆粒繼續細化的速度明顯放慢，並且在球磨的過程因為晶粒細化和晶粒內部發生了嚴重的晶格畸變，納米粉體x射線衍射峰產生嚴重寬化。 -
Powder metallurgy method was used to produce bn / cnts contained al - based alloys. bn / cnts and al powder were mixed by ball milling, and then pressed at 1gpa to disks. the pellets were heated at 700, 800, 900 respectively for 1 hour in inert gases
採用粉末冶金的方法，將鋁粉與bn粉和（或）碳納米管在惰性氣體保護下球磨，然後將粉末在1gpa下壓片，在惰性氣體保護下分別在600 ， 700 ， 800 ， 900燒結1小時，產物經xrd ， dta （ differentialthermalanalysis ） ，並測量顯微維氏硬度。
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