Yin Zhi

China Electric Power Research Institute

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Co-Authors

Qingwei Liu

Fudan University

Yanan Song

Shanghai University of Traditional Chinese Medicine

Yuxiang Mao

Collaborative Innovation Center of Chemistry for Energy Materials

Ying Ye

Henan Provincial Center for Disease Control and Prevention

Lei Wang

Wuhan University

Guofu Hu

Northeast Agricultural University

Chengyan Li

State Key Laboratory of Oral Diseases

Hongyun Tie

Shanghai University of Traditional Chinese Medicine

Jun Yang

Jiangxi Agricultural University

Cheng Liu

Shandong University

Cooperative Institutions

Chinese Academy of Sciences

Shanghai University of Traditional Chinese Medicine

North China Electric Power University

Wuhan University

Northeast Agricultural University

Shanghai Jiao Tong University

Nanjing Medical University

Central South University

Chinese Academy of Medical Sciences & Peking Union Medical College

Shandong University

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[Spatial and Temporal Variation of Mercury in Municipal Sewage Sludge in China].

PubMed (2018)

Ning Wang Qingwei Liu Yin Zhi Cheng Liu Bing-juan Ma

In order to determine the occurrence of mercury (Hg) in the dewatered sewage sludge (SS) from municipal wastewater treatment plants (MWTPs) in China, 315 SS samples were collected from 40 MWTPs. The total Hg (THg) contents of the sludge samples were analyzed using a DMA-80 Hg analyzer. It was found that THg in the samples ranged from 0.45-15.42 mg ·kg-1. The THg data followed a log-normal distribution with a geometric mean of (2.19±3.16) mg ·kg-1. THg contents in all the sludge samples meet the criteria set for disposal (by co-landfilling) of MWTPs sludge (GB/T 23485-2009). In terms of THg contents, 97.8% of the sludge was suitable for land application in neutral and alkaline soils, while 86.7% of the sludge was suitable for land application in acidic soil. THg in SS varied greatly, not only among cities (variation coefficient of 105%), but also in the same MWTP (variation coefficient of 0.6%-53.6% over seven days). Mercury contents in SS of China showed a descending trend of North > Northeast > Northwest > Southwest > East > Central > South China. Using the corresponding urban soil background values of THg as references, Hg pollution levels of SS were evaluated using the geological cumulative index method. It was found that SS from more than 60% of the cities sampled were heavily polluted by Hg. Mercury contents in the SS of China showed a temporal trend of increasing then decreasing, with 2000-2009 being the peak period. Results of the present study provide significant data support for the prevention and control of mercury pollution in sewage and SS in China.

Mercury

Sewage sludge

Mercury pollution

10.13227/j.hjkx.201710130

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COMPREHENSIVE SOFTWARE SYSTEM FOR RESERVOIR NUMERICAL SIMULATION

Yin Zhi

This paper uses DQHY(Daqing Black Oil) simulator after improvement and reservoir engineering and Motif programming technique to integrate the integrated software, numerical well testing software and optimized historical matching software and obtains a comprehensive software system for reservoir numerical simulation. This system has feasible functions and is easy to use. It considers the logic structure of oil field development database and is suitable to the numerical simulation of sand stone reservoirs. Its popularization can improve the numerical simulation study of the actual reservoir blocks.

Reservoir Simulation

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Intestinal bacterial translocation and change in endotoxin level of portal vein blood after hepatic porta blocking

Yin Zhi

Objective Abstract: Objective To study the intestinal bacterial translocation and changs in endotoxin level of portal vein blood after hepatic inflow blocking. Methods Under aseptic condition, mechanically blocking of the hepatoduodenal ligement was adopted in rabbit model, both endotoxin level of the portal blood and positive bacterial cultures in the mensenteric lymph nodes were observed at 15, 20, 30 and 60 min respectively after the blocking. Results Both endotoxin level and positive bacterial cultures increased significantly (P0.01) in the blocking group, which was time dependent. Conclusions Ischemia and anoxia are the direct causes of intestinal mucosa barrier damage, and a further study on the protection of the intestinal mucosa barrier could benefilial of clinical care.

Bacterial translocation

Intestinal mucosa

Blocking (statistics)

Venous blood

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ZHANG Liu-sun and Xuanjiao,a Branch of Taoism, Created by Him in Beijing

Journal of Beijing Union University (2003)

Yin Zhi

After meeting the Emperor of the Yuan Dynasty with the 36th Celestial Master ZHA NG Zong yan,ZHANG Liu sun stayed in Beijing.Soon after he was in favor of the Emperor,and was honored the Great Master of Xu anjiao.Therefore,he became the founder of Xuanjiao.The Great Master of Xuanjiao passed on for five generations.With the downfall of the Yuan Dynasty,Xuanjiao di sappeared in the Chinese history.But the Dongyue Temple set by ZHANG Liu sun an d his disciple is still an important Taoism temple in Beijing.

Taoism

Emperor

Zhàng

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OPTIMIZATION OF THE SPINDLE SYSTEM OF SURFACE GRINDING MACHINE BY NEUROCOMPUTING

Jixie qiangdu (2005)

Yin Zhi

Example of the spindle system of surface grinding machine by neurocomputing is given. It is transposed that constrained optimization problem to solving Lagrange multiplier's extreme value by Lagrange multiplier's method. It is introduced Lagrangian's stationarity conditions. The artificial neural network architecture and learning rules of Lagrange multiplier's method is established. Optimum result of the spindle system of surface grinding machine is compared with that used Kuhn Tucker criteria.

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Construction of cDNA library of Epinephelus coioides leukocytes

JOURNAL OF FISHERIES OF CHINA (2001)

Yin Zhi

Total RNA of leukocytes from orange spotted grouper,Epinephelus coioides were extracted by Tripure kit. The first strand cDNA was synthesized by using MMLV reverse transcriptase. Then the cDNA were amplified by LD-PCR with SMART Ⅲ Oligonucleotide and CDSⅢ as Primers. After proteinase K digestion , SfiⅠdigestion, chromatography through CHROMASPIN-400, over 500bp fragments were collected and ligated with λTripIEx2 vector. After package in vitro, cDNA library containing 1.65×10 6 private clones was constructed, in which more than 82% clones were recombinant. After amplification, the titer of the library was 7.5×10 9 pfu·mL -1 . The insert DNA were between 500 and 2300bp, and most of them were between 750 and 1000bp. The library can be used to screen cytokine genes of orange spotted grouper.

Epinephelus

Library

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Studies on the Synthesis and Mutagenicity of 2,8-Diamino-10-hydroxy -5-methyl-5,10-dihydrophenophosphazine-10-oxide

Chemical Research in Chinese Universities (2003)

Yin Zhi

Phosphinate

Phosphorus trichloride

Anhydrous

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Study on the fermentation types of glucose and glycerol.

Genomics and Applied Biology (2018)

Yang Jin Yin Zhi Zheng Yin

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Content Measurement of Hupehmine in Fritilariac Hupehensis Produced in Different Areas and by Different Procering Procedure

Journal of Hubei Institute (2002)

Yin Zhi

Objective To determine the content of hupehmine of fritilariac hupehensis produced in different areas and find the best area . Methods The hupehemine content in bulbous fritlariae huphehensis from seven different areas was measured by dual wavelength thin layer chromatography scanner. Result It shows that the content varies greatly in different places. The content of hupehemine is higher in Shiyao, Banqiao in Enshi and Luchongpo in Badong County, among which the content in Shiyao, Banqiao is the (lightest. Conclusion Shiyao, Banqiao in Enshi can be considered as the optimal producing area of Bulbous Fritilariae Hupehensis.

Content (measure theory)

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Research and design of firewall mechanism in Linux kernel

Journal of Chengdu University of Information Technology (2003)

Yin Zhi

The firewall mechanism in Linux2.4 kernel named netfilter is elaborated and the analysis of its schemes and implementation is given. The concept of the dynamic Network Address Translation in Linux is also discussed. A model of the netfilter architecture to expand the Linux firewall is introduced briefly with an example.

Firewall (physics)

Context-based access control

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