- 并合取样, 混合取样
- composite: adj. 1.并合的，复合的，混成的，合成的，集成的。 ...
- sampling: n. 1.取样(品)，取标(本)〔指行动或程序〕。 2. ...
- automatic composite sampling device: 自动组合取样装置
- composite sampling scheme: 复合抽样方案
- composite waste sampling: 混合废物采样
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composite sampling中文什么意思
- 并合取样, 混合取样
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例句与用法
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- There is an obviously increase on the resistivity of the composite sample doped with the increasing of the ( ni , zn ) fe2o4 content , which can be due to the following two reasons : ( 1 ) the grain size of ferrite is much larger than one of lao . ? sro smnos
2随着铁氧体材料( ni , zn ) fe _ 2o _ 4含量的增加，复合体系的电阻率迅速增大。分析其原因，这一方面可归结为，大量异质界面的增加使得电子通过隧穿机制在界面之间的跃迁就变得更为困难，从而导致了体系电阻的增大。 - In this paper , a new way of real - time damage detection method was proposed according to the high speed working situation of the composite flywheels for energy storage , and a suit of equipment was developed to test the composite samples with piezoelectric disc built - in , the response waves before and after the damage occurred were recorded to the computer . on the base of traditional spectrum analysis of signal recorded , the wavelet analysis was introduced and the program in matlab language was made . with the wavelet packet decomposition of the signal , the relations between the change of response signals and damage characters were gotten , a database for damage recognition was created
本文结合储能复合材料飞轮高速旋转的工作特点，提出了一种在线检测飞轮转子损伤的方法，自主设计一套实验装置对模拟各种损伤的的试样进行了测试，试样损伤前后的响应信号被采集后存入计算机中；在对采集信号进行传统的频谱分析的基础上，引入了先进的小波分析理论，利用matlab语言编写程序，对信号进行小波分解，得到了信号变化和损伤特征之间的关系，建立了一个识别飞轮损伤的数据库；小波包分解得到信号对比图和特征向量，可以有效判定材料内部有无损伤和损伤的程度，结合频谱分析等，可一定程度上判定损伤的类型，为储能飞轮的安全运转和智能化运作提供了决策依据。 - From the scanning electron microscope ( sem ) images , the higher the heat treatment temperature is , the larger the grain size is . the magnetization of samples treated at 1273k is larger than that of samples treated at 1073k ; 3 . with the increasing of nife _ ( 2 ) o _ ( 4 ) contents , the resistivity of composite samples nd _ ( 0 . 67 ) sr _ ( 0 . 33 ) mno _ ( 3 ) / nife _ ( 2 ) o _ ( 4 ) is 1073k
值得注意的是，在这一温区中，这种复合样品的磁电阻是负的，即给样品加磁场后，样品的电阻率反而增大，与纯nd067sro33mno3样品的磁电阻性能恰好相反，其机制有待进一步研究; 4 .随着s :含量的减小， ( ndl一srxmno3 ) 。 - When the content of nife _ ( 2 ) o _ ( 4 ) reaches to 30 % , the maximum mr value gets to - 6 % at the temperature from 310k to 340k , and the resistivity ranges from 1354 to 646 cm , where applied magnetic field is 1 . 8t . it is interesting that the mr value is negative which is different from that of the usual material ; 4 . with the decreasing of sr contents , the resistivity of composite samples ( nd _ ( 1 - x ) sr _ ( x ) mno _ ( 3 ) ) _ ( 0 . 7 ) / ( nife _ ( 2 ) o _ ( 4 ) ) _ ( 0 . 3 ) changes apparently , at the same time , the mr gets worse ; 5
3系列复合样品的电阻率显著变化，同时磁电阻性能逐渐变差; 5 .随着cu含量的增大，伽嘶67sr033mnl一uyo3 ) 07 /困ifezo4 ) 03系列复合样品的电阻率显著变化，同时磁电阻性能得到明显改善，当cu含量增大到y = 0 . 2时，样品磁电阻值在293k到317k较宽的温度范围内基本保持在一13 . 6 % ，随温度变化很小，由于该温区恰好在室温范围且温区宽，因而具有很好的潜在应用价值。 - With the increasing of cu contents , flie resistivity of composite samples nd _ ( 0 . 67 ) sr _ ( 0 . 33 ) mn _ ( 1 - y ) cu _ ( y ) o _ ( 3 ) ) _ ( 0 . 7 ) / ( nife _ ( 2 ) o _ ( 4 ) ) o . 3 changes rapidly and the mr gets better ; 6 . as for the composite samples composed of nd _ ( 0 . 67 ) sr _ ( 0 . 33 ) mn _ ( 0 . 8 ) cu _ ( 0 . 2 ) o _ ( 3 ) of different sizes , with the increasing of heat treatment temperature , the grain size becomes larger , so the resistivity decreases and the capability of mr gets worse ; 7
6 .经不同温度热处理后的n断67sr033mn0 . scu0203粉体与nifezo ;复合制得的困衡67sr033mno . scu0203 ) 0袱困ifezo4 ) 03复合样品，随着粉体热处理温度的升高， nd067sr033mnoscu02o3颗粒粒径逐渐增大，从而导致复合体系电阻率减小，同时磁电阻性能逐渐变差。