composite target造句
例句與造句
- Composite target quality score
目標(biāo)品質(zhì)總得分 - 5 . on the study of the ballistic mechanism of fibre and composites , the ballistic properties are analyzed in details with the numeric experimental phenomenon and damage characters of composite targets , which suggests the excellent ballistic performance of kevlar composite arms
5 、對(duì)纖維的防彈機(jī)理、復(fù)合材料的防彈機(jī)理進(jìn)行了探索性研究，綜合了大量試驗(yàn)現(xiàn)象和眾多復(fù)合材料靶板的破壞特征，進(jìn)行了防彈性能分析，從理論上說明了芳綸復(fù)合裝甲的優(yōu)異防彈性能。 - With the material dynamic constitutive equation including damage and the effect of stain rate the predictable formula about ballistic limit velocity of fiber composite target . secondly based on the damage feature about ceramic / fiber composite target caused by impact load , analysis model about defense performance of ceramic / composite material target is formed and the predictable formula about ballistic limit velocity is also given . lastly using the reflection and projectile theory of stress wave the paper discusses the design of ceramic / composite material target , optimizes the design of double layer ceramic / composite targets , gains optimal coefficient under certain area density and discusses the variety relationship of area density and thickness with optimal coefficient u nder some ballistic limit velocity 3
首先，分析了纖維類正交鋪層復(fù)合靶板在沖擊載荷作用下的損傷破壞機(jī)理，結(jié)合包含損傷和應(yīng)變率效應(yīng)的材料動(dòng)態(tài)本構(gòu)方程，建立了纖維復(fù)合材料板彈道極限速度的預(yù)測公式；其次，根據(jù)陶瓷/纖維材料復(fù)合靶板在沖擊載荷下的破壞特點(diǎn)，建立了陶瓷/復(fù)合材料靶板抗彈性能分析模型，給出了彈道極限速度預(yù)測公式；最后，利用應(yīng)力波反射和透射理論討論了陶瓷/復(fù)合材料靶板的設(shè)計(jì)問題，對(duì)雙層陶瓷復(fù)合靶板的優(yōu)化設(shè)計(jì)進(jìn)行了分析，給出了在一定面密度下的最佳優(yōu)化系數(shù)，討論了一定彈道極限速度下的面密度和厚度隨優(yōu)化系數(shù)的變化關(guān)系。 - Ge - sio2thin films were prepared by an rf co - sputtering technique on p - si substrates from a ge - sio2 composite target . the as - deposited films were annealed in the temperature range of 300 - 1000 under nitrogen ambience . the structure of films was evaluated by x - ray diffraction ( xrd ) , x - ray photoernission spectroscopy ( xps )
當(dāng)溫度較低時(shí)(沉積時(shí)的基片溫度ts 450 ，后處理退火溫度ta 800時(shí)，制備的樣品均為非晶結(jié)構(gòu)，當(dāng)溫度較高時(shí)( ts 450 ， ta 800 )薄膜樣品中才出現(xiàn)si的結(jié)晶顆粒。 - In this paper , we reported the structural and luminescent properties of si - based oxide films containing semiconductor si , ge or metal al powders prepared by a dual - ion - beam co - sputtering method ( si - sio2 films and al - si - sio2 films ) or rf magnetron sputtering technique ( ge - sio2 films ) , and analyze the pl and el mechanism . 1 . the composite films of si - sio2 films were prepared by dual ion beam co - sputtering method from a composite target in argon atmosphere
我們利用雙離子束共濺射和射頻磁控共濺射技術(shù)制備了一系列含有半導(dǎo)體si 、 ge顆粒及金屬顆粒al的薄膜，即si - sio _ 2薄膜、 ge - sio _ 2薄膜和al - si - sio _ 2薄膜，分別對(duì)它們的結(jié)構(gòu)、光吸收以及發(fā)光性質(zhì)進(jìn)行了研究。 - It's difficult to find composite target in a sentence. 用composite target造句挺難的
- Firstly on the basis of twin shear unified strength theory and spherical cavity expand theory it is established the expression about target defense force , given the equations of rod projectile penetrate and impact velocities on ceramic / composite target under the same pressure and verified through the experiment . secondly the analysis model of ceramic / grfp / steel composite multi - layer target penetrate depth employing above differential equation of target defense force , penetrate velocity and rod velocity . there are two team of experiments which testify separately the penetrate depth and effect with different length - to - diameter
首先，基于雙剪統(tǒng)一強(qiáng)度理論和球型空穴膨脹理論建立了靶板抗力表達(dá)式，并通過壓力相等條件給出了桿式彈侵徹陶瓷復(fù)合靶板的侵徹速度與撞擊速度的表達(dá)式，最后用試驗(yàn)進(jìn)行了驗(yàn)證；其次，利用上面的靶板抗力表達(dá)式、侵徹速度、彈桿速度的微分方程，建立了陶瓷/玻璃鋼/鋼板復(fù)合多層靶板侵徹深度分析模型，分兩組試驗(yàn)對(duì)侵徹深度、不同長徑比的侵徹效果進(jìn)行了驗(yàn)證;最后，建立了桿式彈垂直侵徹陶瓷多層復(fù)合靶板的工程模型，給出了預(yù)測靶板抗彈性的k 。