- 成分比率
- 構(gòu)成比例
- 構(gòu)成比率
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component ratio中文什么意思
例句與用法
- Conclusion component ratio is high as well as fatality ratio in emergency injuries in shenzhen city
結(jié)論深圳市急診傷害構(gòu)成比高，病死率高。 - Firstly , second harmonic component ratio and dead angles of two phase inrush ' s dispersion in three - phase transformes are acted as input variable . secondly , the method applies improved algorithm based on the original algorithm of multi - layer forward back propagation network , that is to say , adding last variational effect of weight value and bias value to this time and making use of variable learning rate . at the same time , this method also adopts dynamic form in the number of hidden floor node
首先，文中將三相變壓器兩相涌流差流的二次諧波含量比和間斷角作為網(wǎng)絡(luò)的輸入變量；其次，利用對原有bp網(wǎng)絡(luò)訓(xùn)練算法基礎(chǔ)上的改進(jìn)型算法(即在計(jì)算本次權(quán)值和閾值的變化時(shí)增加上一次權(quán)值和閾值變化的影響以及采用變學(xué)習(xí)率，與此同時(shí)隱含層神經(jīng)元個(gè)數(shù)采用動態(tài)形式) ，通過樣本訓(xùn)練使網(wǎng)絡(luò)結(jié)構(gòu)模型達(dá)到最優(yōu)。 - The optimal component ratio of the magnesium alloys with the best impact toughness was concluded , which was mg - 4al - 2zn - 2pb . the computer aided design was used to get the optimal design on the effect of elements on the properties of alloys , whose results were correspondent to the conclusion obtained by the orthogonal experiment
通過分析得出了沖擊韌性最好的鎂鋁鋅合金組元配比為mg - 4al - 2zn - 2pb 。本文還利用計(jì)算機(jī)輔助設(shè)計(jì)方法就元素對合金性能的影響進(jìn)行了優(yōu)化設(shè)計(jì)，其結(jié)果與正交法得到的相吻合。 - Using the dynamic mechanical analyzer ( dma ) , pdms / pma ipn was investigated at temperature of 5 - 180 c . the initiator , the component ratio , the type of pdms and the filler effected the damping properties . the result showed that the damping ability varied with the parameter and there was an optimal value . the excellent damping material in the papers was ipn , where tan man was 0 . 735 , and the damping functional temperature ranged with tan 8 > 0 . 3 was 46 c . the micro - morphology and structure of pdms / pma ipn were characterized by two kinds of sem
高分子阻尼材料的有效阻尼功能區(qū)是在ipn材料的t _ g區(qū)間內(nèi)，而研究常溫條件下的阻尼性能更具有重要應(yīng)用價(jià)值，運(yùn)用動態(tài)熱機(jī)械分析( dma )儀對ipn阻尼材料進(jìn)行表征，在5 180內(nèi)對其損耗因子( tan )進(jìn)行研究，發(fā)現(xiàn)引發(fā)劑和交聯(lián)劑的用量、聚硅氧烷的用量和分子量等參數(shù)對ipn阻尼性能的影響較大，存在一個(gè)合理配比值，當(dāng)pma與粘度為3300pa ? s的pdms之比(質(zhì)量比)為1 . 17 ： 1 、交聯(lián)劑用量為1時(shí)， tan最大值為0 . 735 ，大于0 . 3的溫域差達(dá)到46 。