double-base造句
例句与造句
- The mechanical properties of improved double-base propellants enabled one to envisage grain geometrics with large combustion areas and consequently high thrusts .
经过改进的双基推进剂的机械性能使我们能够指望获得大燃烧面的药柱几何形状，从而得到大推力。 - Thus , the double - base aim and ability aim of the chemical teaching were abtained and integrated staff was also fully highed
使化学教学既充分实现化学教学的“双基”目标和能力目标，又能充分提高学生的综合素质。 - At the same time , with a lot of experiments , the technique of improving deterring - impact of thick - web double - based oblate spherical propellant powder
同时，本文还通过大量实验，分析和总结了改善大弧厚双基球扁药钝感效果的工艺方法。 - With the case study of hangzhou tourism image ads produced by cctv , entropy double - base - point approach is used to assess the social effects of tourism ad
考虑到实际需要，结合央视杭州旅游形象广告案例，采用熵权双基点法评价了旅游广告社会效果。 - In a sense , the collection wrong goal is for is wrong , the mistake is in the learning process the essential link , is the ramming double - base magic weapon
从某种意义上说，集错的目的就是为了品错，品错是学习过程中不可缺少的环节，是夯实双基的法宝。 - It's difficult to find double-base in a sentence. 用double-base造句挺难的
- The results show that : - bi is a good burning catalyst of double - base propellant and possesses an excellent ability to reduce pressure exponent
结果表明， 2 , 4 -二羟基苯甲酸铋是双基系推进剂良好燃烧催化剂，它能显著提高了双基推进剂的燃速，并降低压强指数。 - The ageing experiments of single - based and double - based deterred thick - web oblate spherical propellant powder have showed that the transference of deterrent was insignificant within the storing time
单基、双基钝感球扁药的老化实验表明，在藏贮的时间内，钝感剂迁移不明显。 - The double - base teaching is one of traditional features in the mathematics " education in our country , which focuses on how to cultivate the students " inquiry ability in the daily teaching . first of all , from the beginning of the double - base teaching , we pay attention to the original knowledge during the teaching of concepts , definitions , theorems and formulas . in the case of exercising lessons , we conclude , summarize and train the student ' s emanative ideations
重视双基教学是我国中学数学教学的传统特色，在日常教学中培养学生的探究能力，应首先从双基教学开始：在概念、定义、定理、公式的教学中注重知识的起源；在例习题教学中，注重归纳、小结及训练学生的发散思维能力；在复习课的教学中注重各知识的相互联系；其次，由于数学开放题具有良好的探究功能，因此，在日常教学中适当创设数学开放题，也是培养学生探究能力的一个重要途径。 - As more and more high techniques were exploited , it unavoidly led to introduce muti - subject into it . the persons with high muti - subject knowledge and muti - face ability were demanded . in order to satisfaied with these requirement , both the double - base teaching and application of the knowledge and technique of other subjects were pay attention to
在化学领域里开发高新技术，多学科引入的比例将越来越大，其人才需求的特点是跨学科的，为这一需要，在教学中既要注重化学学科本身的“双基”教学，同时兼顾其它学科基本知识及其技能在化学中的运用。 - In order to investigate the effect of 2 , 4 - dihydroxylbenzoate ( - bi ) on the combustion of double - base propellant , the combustion law of the propellants containing - bi was studied by means of the single frame amplification photography fl miniature thermocouple , the scanning electron microscopy ( sem ) and the link isis energy spectrum
摘要为了探索2 , 4 -二羟基苯甲酸铋对双基推进剂燃烧的催化作用，采用单幅放大彩色摄影法、型微热电偶技术、扫描电镜和电子能谱研究了含2 , 4 -二羟基苯甲酸铋双基推进剂的燃烧规律。 - Then on one hand , author makes researches of anti - jamming against pulse jamming 、 gauss white noise jamming and radio frequency noise jamming from the side of signal processing . author exercises much signal processing knowledge of time - domain sliding window accumulation 、 wavelet analysis 、 time - frequency analysis and linear prediction and carries out many simulation experiments . on the other hand , author proposes the anti - jamming methods of using a sar similar to double - base radar and modulating the amplitude 、 the phase of emission signal and changing the frequency modulation slope from the side of changing sar system model
作者首先提出了合成孔径雷达抗干扰的定义、分类以及评价抗干扰方法好坏的主客观标准；然后，一方面从信号处理的角度出发对脉冲式干扰、高斯白噪声干扰以及射频噪声干扰进行了抗干扰研究，其中运用了时域滑动窗口积累，小波分析，时频分析以及线性预测等信号处理知识，做了大量的仿真实验；另一方面，本文基于改变合成孔径雷达系统模式提出了利用类似双基地雷达来抗干扰，以及对发射信号进行调幅、调相以及改变调频斜率来抗干扰，同样做了相应的仿真实验。 - In this thesis , based on analyzing the data , home and abroad , and manufacturing thick - web single - based oblate spherical propellant powder at nust , the technique of manufacturing thick - web double - based oblate spherical propellant powder was presented , and various affecting factors on its shape and density were discussed , and the technique of improving shape and density was brought forward
本文在总结国内外大量资料和南京理工大学对单基大弧厚球扁药制造的基础上，研究了大弧厚双基球扁药的制造工艺，详尽探讨了影响其药型和密度的各种因素，并在此基础上提出了能较好地改善其药型、提高其密度的工艺条件。 - Especially , when - bi together with a little carbon black ( cb ) or copper salt is used , the catalytic effect is better ; the flame structures of the double - base propellants containing - bi are similar to the typical plateau double - base propellant , but the combustion temperature distribution has been changed because of adding the - bi ; and the active components of catalysts deposit on the burning surface of propellants and the quenched surfaces of propellants with various catalysts possess different structure
它与铜盐和少量炭黑( cb )复合后，催化效果更优； 2 , 4 -二羟基苯甲酸铋加入后，推进剂的火焰结构保持了典型平台双基推进剂的结构特征，但改变了双基推进剂燃烧波温度分布，炭黑和铜盐的加入对2 , 4 -二羟基苯甲酸铋的催化作用有很大影响；催化剂分解的活性组分富集在燃烧表面，不同催化剂使推进剂熄火表面形成不同的结构。