该厂能产生80瓦功率的激光,足以用来切割钢铁和提取海水里70%的镁。
It is capable of producing 80 watts of power from the laser, enough to cut steel and extract 70% of the magnesium in seawater.
用研制出的大信号建模软件提取了功率FET的大信号模型参数,并用该模型模拟和测量了器件大信号s参数,结果完全一致。
We developed a general large signal modeling software and extracted the power FET model parameters. The parameters are well coincide with simulated and measured large signal s parameters.
应用功率谱分析的方法,提取出同时段百年尺度和千年尺度的古季风周期,其中71 a周期为本文首次提出,并被认为是东亚季风活动最显著的基准周期之一。
Using power spectral analysis, centennial and millennial-scale cycles of Paleo-monsoon were extracted. In the cycles, 71 a is the basic cycle of East Asian Monsoon.
探讨了辐射功率、时间、产物提取方式和卤代烷等对产率的影响。
The effects of microwave power, irradiation time and the purifying way of product on the alkylation were discussed.
本文通过对NRZ、RZ伪随机码序列进行频谱分析,得知当NRZ码变换成码元占空比为1/2的RZ码时,所提取出的定时时钟功率最强。
By analysing frequency spectrum in this paper, we can understand that when NRZ code be transferred into RZ code of 1/2 mark-to-space ratio, the timing clock can be obtained at largest power.
讨论了提取溶剂浓度和用量、微波提取时间和微波功率对微波萃取的影响。
The effects of solvent concentration and volume, microwave radiation time and power on extraction output were investigated.
方法:用不同功率和频率的超声仪提取及加热回流提取样品液。
Method: Sample solution were extracted by ultrasonic in different power and frequency and by reflux.
结合实验研究、模型计算,对微波强化中草药提取的传质机理的研究表明,低功率区和高功率区微波强化目标成分提取的作用机理有所不同。
By experimental study and mathematical model calculation, we can draw a conclusion that the influence mechanism of microwave on the extraction is different between low power area and high power area.
利用超声波法提取杏干多糖,以多糖含量为指标,研究了超声时间、超声功率、料液比对杏干多糖得率的影响。
Ultrasonic wave was applied in extraction of polysaccharides from dried apricot the content of polysaccharides was served as index.
方法在微波功率和萃取时间一定的条件下,分别选用有机溶剂甲醇、乙醇、甲苯、丙酮及环己烷为提取剂,进行间歇性提取。
METHOD Under the same conditions of microwave power and extraction time, methanol, alcohol, toluene, acetone and hexamethylene were used as the extractant to carry out intermittent extraction.
探讨了不同提取剂,提取的剂用量、提取时间、次数及超声波功率对提取效果的影响。
The effects of different solvents, solvent amount, extraction time and times, and ultrasonic wave power were explored.
在进行沸腾浸取时,随着加热热功率的增大,姜辣素的提取速率也在加快。
The extracting rate of "boiling extraction" becomes greater with increasing heat flux.
研究利用微波辅助萃取生姜中姜辣素的新工艺,探讨了不同微波功率、时间、固液比、颗粒度对提取率的影响。
Microwave-assisted extraction of gingerol from ginger was studied. The main effect factors were discussed such as microwave power, irradiation time, the rate of solid and liquid and grinding degree.
在需要回放时,再由单片机控制提取RAM中的数据,通过D/A转换器将数字信号转换为模拟信号,通过功率放大器将语音信号还原后回放出来。
When this system needs to playback, data is gotten from RAM, and it transforms into the analog signal through the D/A switch. Moreover through the power amplifier, the voice signal can be recovered.
利用超声波以水为溶剂提取元宝枫种壳中单宁,对超声功率、超声作用时间、水量、提取次数等因素进行研究。
Ultrasonic extraction of tanning with water from the seed hull of Acer Truncatum was described, and the influencing factors were studied.
针对感应电动机轴承故障特征提取的不足,提出了瞬时功率小波包分解的方法。
To solve the problem in obtaining bearing fault characteristics of induction motors, a method based on instantaneous power decomposition via wavelet packet is put forward.
利用超声波以水为溶剂提取元宝枫种壳中单宁,对超声功率、超声作用时间、水量、提取次数等因素进行研究。
The tannin were extracted by water as the solvent from the seeds hull of acer truncatum with ultrasonic treatment.
目的探讨常见载体上的微量血痕dna的提取方法、PCR循环次数对STR扩增成功率的影响。
Objective To study the influence of different DNA extraction methods combined different PCR cycle Numbers on STR analysis from trace bloodstain on various carrier often seen in forensic area.
对同批样品进行反复测试结果与结论:不同功率、频率超声提取仪提取效果和对含量测定的结果不同。
RESULTS & CONCLUSION: The extraction effects were different in using ultrasonic extractors with different power levels and ultrasonic frequency.
首先介绍从信号幅度、相位、频率及功率谱等特性中提取的三种特征参数,应用这三种参数采用人工神经网络对模拟调制信号进行了识别。
Three features parameters derived from the instantaneous amplitude, instantaneous phase, instantaneous frequency and power spectrum of analogue modulated signals are presented in this article.
方法采用正交设计,以超声提取时间、超声功率、固液比和提取温度为考察因素,优选了超声波提取海带中褐藻糖胶的最佳工艺。
Methods The orthogonal experiment was designed with ultrasound time, ultrasound power, solid-liquid ratio and extraction temperature as factors to optimize the extraction process of fucoidan.
本文研究了一种基于模糊分类的调制信号识别方法,即提取信号时域、频域、功率谱等统计特性,利用模糊分类器进行分类识别。
The classification technique uses various features of the signal amplitude, frequency, and power spectrum applied to the fuzzy classifier.
在提取过程中,通过单因素法分析了几个主要因素:料液质量比、超声波提取功率及超声波提取时间对提取率的影响。
During the extracting process, four main factors, namely solid: liquid ratio, immersing time, extraction temperature and extraction time were studied by using single factor analysis method.
考察了微波辐射时间、微波功率、溶剂用量、洗涤滤饼的溶剂量对提取率的影响。
The effects of radiation time, microwave power, volume of solvent for extraction and the volume of solvent for washing cake on extraction yield are discussed in orthogonal experiments.
超声强化亚临界水提取沙姜精油的工艺研究表明,影响提取效果的因素主次顺序依次为:提取温度、超声功率密度、投料量、提取时间。
The experimental results of USWE showed that extraction temperature, ultrasound power density, material mass and extraction time were major factors affecting the extraction yield.
在提取过程中,通过单因素法分析了几个主要因素:料液质量比、超声波提取功率及超声波提取时间对提取率的影响。
In this paper, fly ash was applied to remove the fluoride of wastewater and every single-factor experiment was done, which influenced the removal ratio of fluoride.
在提取过程中,通过单因素法分析了几个主要因素:料液质量比、超声波提取功率及超声波提取时间对提取率的影响。
In this paper, fly ash was applied to remove the fluoride of wastewater and every single-factor experiment was done, which influenced the removal ratio of fluoride.
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