spectrum的例句大全

The CIDEP spectrum of p-benzosemiquinone/ ethylene glycol ( PBQ/ EG) system has been obtained experimentally with the time-resolved ESR spectrometer by using 285 nm laser photolysis.

在285nm紫外激光辐照下，用时间分辨电子自旋共振（TRESR）波谱仪研究了对苯醌/乙二醇（PBQ/EG）体系，得到了发射的苯半醌中性自由基PBQH.和乙二醇碳自由基R。

Poly ( N-vinylformamide) was synthesized with N-vinylformamide ( NVF) and K2S2O8 as initiator, and characterized by Fourier Transform Infrared Spectrum and X-ray Photoelectron Spectroscopy.

以K2S2O8为引发剂由N-乙烯基甲酰胺（NVF）合成了聚N-乙烯基甲酰胺，并用红外光谱仪和X-射线光电子能谱仪对产物进行了表征。

Result: The purified tannin product obtained from Galla Chinensis contains NLT 98% of tannic acid and less than 0. 2% of gallic acid, and has stable HPLC characteristic spectrum.

结果：五倍子鞣酸精制品含量≥98%，没食子酸含量<0.2%，具稳定的HPLC特征图谱。

The conception of multi-scale Hilbert spectrum entropy ( MSHSE) was proposed based on the multi scale analysis character of the local wave method ( LWM) and its calculation method was developed.

基于局域波分析的时频多分辨特性，提出了多尺度Hilbert谱熵的概念，并给出了多尺度Hilbert谱熵的计算方法。

Based on the local characteristics of signals, a local wave method ( LWM) can be employed to obtain the instantaneous frequency of signals and the Hilbert time frequency spectrum composed of an energy time frequency three dimensional distribution.

局域波法是基于信号局部特征，通过该方法可得到信号的瞬时频率和构成能量-时间-频率三维分布的Hilbert时频谱。

Laser raman spectrum ( LRS) were studied on structure of carbon and graphite fibres.

激光拉曼光谱（LRS）可用来研究碳纤维和石墨纤维的结构。

Good coating materials for absorption of laser in laser heat treatment ( LHT) must be of high and steady absorption rate of laser spectrum.

理想的激光热处理吸收涂层必须在高温下具有高而稳定的光谱吸收率。

Wide spectrum recombinants of bacillus thuringiensis LCJ 08 and LCJ 12 were tested in shake flask and 2.4 ton fermentor.

对既杀鞘翅目昆虫又杀鳞翅目昆虫的广谱重组Bt菌株LCJ08，LCJ12进行了摇瓶发酵和中试发酵。

The room temperature Mssbauer spectrum of this alloy consists of seven ferromagnetic and one paramagnetic sextet superposition. The seven ferromagnetic spectra belong to α 1 phase in the alloy, the magnitude of their internal magnetic field is 309 kOe.

在室温下，该合金的穆斯堡尔谱可以分解为八套亚谱，其中7个铁磁性亚谱属于合金中脱溶的α1相，它的平均超精细磁场约为309kOe；

Structure and Vibration Spectrum of Laser Crystal Yb: KGd ( WO_4)_2

Yb：KGd（WO4）2激光晶体结构与振动光谱

Ketoconazole ( KCZ) is an imidazole antifungal agent with a broad spectrum of activity against systemic and superficial mycoses.

酮康唑（Ketoconazole，KCZ）属于咪唑类抗真菌药物，对深部真菌和浅表真菌感染均有作用。

The exceed performance mechanism of spatial spectrum estimate algorithm to direction finding is analyzed.

同时,分析了空间谱估计测向超性能机理.

The cyclic spectrum of cyclostationary signal includes information as carrier frequency, chip width and amplitude.

循环平稳信号的循环谱包含了载频 、 码片时宽和幅度等信息.

Thirdly, we analyze the influence of the polarization character of spectrum detection system.

第三, 分析了光谱诊断系统的偏振特性对EBIT光谱线型的影响.

Detection of AmpC and extended-spectrum β-lactamases producing strains in lower respiratory tract infections

下呼吸道感染细菌产AmpC酶和超广谱β内酰胺酶的检测

The snoring spectrum of patients with simple snoring showed distinct fundamental-harmonic structures which were not clear in patients with OSAHS.

OSAHS患者鼾声的时域曲线表现为多个振幅、间隔不规则的复合波，频域曲线中无明显的基频一谐波结构。

The research of high resolution neutron capture gamma ray spectrum logging

高分辨率中子俘获伽马能谱测井

A new definition of linear spectrum of multi-valued logical functions over finite field was proposed.

给出了新的一般有限域上多值逻辑函数的线性谱定义,并对两类谱的转换公式做了进一步简化.

In this paper, the application of sun blind region ultraviolet spectrum in short range cryptical communication is discussed, and an experimental system of ultraviolet communication is constructed.

本文对紫外日盲区光谱在近距离、保密通信中的应用进行了探讨，并建立了紫外光学通信原理实验系统。

The luminescence of Eu 3 + is also observed in TL emission spectrum of CaSO 4: Eu .

同时在CaSO4:Eu的热释 光发光 谱中还观察到了Eu3+的发光.