Synchrotron radiation source is the radiation emitted along the tangent direction of the orbit when the charged particles move in the storage ring of the accelerator at speed close to the speed of light. Synchrotron radiation X-ra

Surface-enhanced Raman scattering (SERS) technology has the characteristics of high efficiency, sensitive and non-destructive detection, etc., which can realize shallow concentration detection of analyte molecules and is widely us

Coal structure is the microscopic foundation of various coal-related research, and spectral analysis is widely used as an important method of coal structure research. Its progress in coal structure research is significant to the p

With its unique technical advantages, such as transient, broadband, coherence, low energy, penetration and absorption, terahertz(THz) radiation has been highly regarded by governments, universities and research institutions worldw

Flavins are widely present in organisms and active centers of many electron-transfer reactions. Therefore, they play an important role in biological electron transport chains. Electron transfer caused by light excitation of flavin

The safety of surface water resources is of great strategic significance. It is related to national health, ecological environment stability and sustainable economic development. Total organic carbon (TOC) is a comprehensive index

Using Al2(SO4)3·18H2O and urea as raw materials, the spherical α-Al2O3 powder was prepared by hydrothermal-pyrolysis method. Using self-made α-Al2O3, Y2O3 and CeO2 as raw materials, Y2.93Al5O12∶0.07Ce3+ yellow phosphors for white

The spectral parameters of many substances within the terahertz band have fingerprint characteristics, which is the basis of the application of the terahertz technology in many fields such as security inspection. However, it is re

The localization of brain hematoma by using functional near-infrared Spectroscopy has always been a research hotspot in the field of nondestructive optical diagnosis. To achieve open and all-around accurate detection, this paper p

Chemometrics has been widely applied in near-infrared (NIR) spectroscopic analysis for quantitative detection and discrimination. However, new methods are still needed to simplify data processing and modeling to speed up the analy

Partial least squares regression (PLSR) calibration model will be effect by the wavelength change of a single instrument at a different time and the wavelength consistency of multiple instruments. The process of near-infrared spec

Alcohol is a key technical indicator of liquor, a favorite of consumers as a daily drinking. A simple and fast detection method for ethanol in liquor can help to improve the efficiency of a liquor inspection. Spectroscopy with the

As a green and safe food and drug ingredient, stevia has broad application prospects. However, moisture absorption is a major problem it faces, which is also a common problem in most preparations raw materials. Research and analyz

Sorghum-Sudan Grass is rich in crude protein and carbohydrate, suitable for silage treatment. High-quality seeds are a prerequisite for animal husbandry development, and germination rate is one of the most conventional indicators

During the storage and transportation of rice, mildew easily occurs in a suitable temperature and humidity environment will cause a lot of food waste and huge economic losses, which in turn affects food security. This paper propos

Due to the impact of swine fever, the demand for eggs which is an important substitute for pork, has increased significantly, and the laying hens breeding industry has also gradually developed and expanded to meet people's demands

In the analysis of near-infrared spectroscopy data, full-spectrum data has the characteristics of multiple wavelength points, large redundancy, and serious collinearity. This leads to some wavelength points that have no positive e

Tracing the origin of unearthed jade is one of the keys to exploring Chinese jade civilization's origin and evolution. The progress of non-destructive testing technology has promoted the research on tracing the origin of unearthed

Linear polymers are characterized by their high intensity and information-rich resonance Raman spectroscopy,which has applications in biology, photoelectric materials and medicine. However, β-carotene molecules with conjugated dou

The yield of soybean will drop dramatically due to disease during its growth. If the disease is not identified in time and no corresponding pesticides are sprayed, severely diseased soybeans can even be wiped out. It is very impor

Natural gas hydrate is unconventional energy with huge energy and source potential. In 2017 and 2020, two exploratory trials of marine hydrate in the South China Sea were successful. The incident accelerated the development of Chi

In this paper, nano-silver sol substrate and micro-cavity fiber surface-enhanced Raman scattering (SERS) substrate were prepared by chemical methods. The micro-cavity structure was obtained by etching with hydrofluoric acid (HF).

The arsenic (As) hyperaccumulator Pteris vittata has super As accumulation ability and huge biomass, thus being ideal plant material for the phytoremediation of As-contaminated soil. Phytoextraction technology based on As hyperacc

Based on gold nanoclusters (AuNCs) with good optical stability, biocompatibility and simple and non-toxic preparation method, this paper developed a highly selective, highly sensitive and visualized uric acid (UA) sensor. We synth

Zinc smelting leaching slag is the solid smelting waste produced by the hydro-zinc smelting process, accounting for more than 75% of the total output of zinc smelting solid waste. Because it contains Zn, Cu, Pb, Ag, Cd, As and oth

In engineering construction, foundation pit drainage is a necessary measure to ensure the safety of the foundation pit. The water discharged into the urban inland river impacts the ecological safety of the inland rivers and downst

Shuining Temple in Bazhong is famous for its wide range of themes, diverse forms and exquisite carving. However, the wet environment, unstable cliff body and the semi-open preservation environment caused serious damage to the ston

Coronary heart disease (CHD) is a serious complication of hypertension disease (HD). But this complication can not get timely detected, which is likely to cause serious events and result in extremely high disability rates and mort

In recent decades, reflectance spectroscopy technology has developed rapidly and has been widely used in soil science, especially soil property estimation. It can greatly reduce the manpower and material resources consumed by trad

Spectral characteristics are the inherent attributes of ground objects. Analyzing spectrum is help to improve the accuracy of ground objects recognition and a basis of quantitative remote sensing. However, limited by scale effect,

Water conservation in forest ecosystems has ecological functions such as regulating climate and maintaining ecological water balance. As an alpine region, the Qinghai-Tibet Plateau cannot manually observe water conservation on the

Spectral imaging technology is widely used in the field of non-invasive determination of physical and chemical parameters of plants, and scholars have also explored the correlation between pigments and color parameters. However, i

When a metal surface is bombarded by slow, highly charged ions (SHCIs), atomic particles ejected from the sample, and then some of them in excited states undergo radiative de-excitation resulting in optical emission. SHCIs will ca

As a famous wild edible mushroom, boletus has great edible and economic value. There are many kinds of boletus, and it is not easy to distinguish. An effective, rapid and credible species identification technology can be establish

The sample's elemental and isotopic content information can be obtained by inductively coupled plasma mass and optical emission spectrometry analysis of excimer laser ablated products. Excimer laser ablation coupled mass and optic

The pterosaur fossils in the Hami area of Xinjiang are very important. The Hami Pterosaur Fauna is mainly buried in the Yardang of the Early Cretaceous lacustrine strata and enriched in tempestite. Once exposed up the ground, the

At present, modern testing technology is developing rapidly, providing a non-destructive research method for the processing technology and production source of ancient jade. Using infrared spectroscopy technology and energy disper

Using conventional gemological methods, energy dispersive X-ray fluorescence spectrometer,laser Raman spectrometer, Fourier transform infrared spectrometer and fluorescence spectrometer to study the gemological characteristics of

The content of Fe will affect the hardness of the aluminum alloy, and further affect the working life of aluminum alloy devices. Therefore, the detection accuracy of Fe content in the aluminum alloy is very important. In this pape

In order to improve the accuracy of quantitative analysis of aluminum alloy, a quantitative analysis model of Cu element in aluminum alloy was established by combining laser-induced breakdown spectroscopy with multivariate linear

Oil spill pollution on the sea surface is one of the most common marine pollutions, which usually exists in the state of non-emulsification, emulsification and other weathering, and the emulsification stage is more harmful to the

In order to solve the problem of low accuracy and poor repeatability caused by temperature change when LIBS technology is applied to the analysis of metallurgical process composition, the influence of temperature change on plasma

Based on the self-designed remote laser-induced breakdown spectroscopy (LIBS) system, the focusing characteristics of remote LIBS were analyzed, and the experimental method of quantitative analysis of nickel-base superalloy by rem

With the continuous improvement of the sensitivity, accuracy and easy use of spectral detection instruments in recent years, spectral technology has penetrated the identification and analysis of material components in all walks of

As clay minerals complex with high reactivity, Fe-Mn nodules in soil, with special geochemical characteristics, different from Fe-Mn nodules in the ocean, can always be found in drying-wetting cycle condition and water-air disturb

Trace oxygen has a noticeable influence on the purity assessment of high purity gold when the total elemental impurities deduction method was used to calculate the purity. However, the previous elemental impurities deduction metho

Imaging differential optical absorption spectroscopy technology (IDOAS) combines imaging spectroscopy and differential optical absorption spectroscopy. The acquired data of IDOAS instruments are so-called hyperspectral cube with t

The soil-borne disease of continuous cropping peanut is serious, but the internal relationship between the occurrence of soil-borne disease and soil factors, especially the dissolved organic matter (DOM) composition of rhizosphere

In the infrared spectroscopic study of aqueous protein solution, the characteristic peaks of solvent water and protein overlap partially or completely, which seriously affects the quantitative and structural analysis of protein. I

In the visible spectrum range, the accurate recognition of target fruit is the fundamental guarantee for achieving orchard yield measurement and machine automatic picking. However, this task is susceptible to many interferences, s

At present, the highest international benchmark for optical radiation power is cryogenic radiometer, and it can detect radiation covering the vacuum ultraviolet to terahertz spectrum (115 nm~THz). Using the optical and electric al

Jewelry is a high-end consumer luxury product. The quality of shopping and the beautiful visual experience influence consumers' buying behavior and determine brand value enhancement. With the rapid popularity and application of LE