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Chinese Journal of Structural Chemistry 2007年第5期26卷 547-550页

作者： WANG nong li Jing-Ping PU Yan-ling School of Chemical and Biological Engineering Lanzhou Jiaotong University Lanzhou 730070 China

A new Schiff base compound, 2-hydroxybenzoic acid [1-（3,5-dibromo-2-hydroxyphenyl） methylidene]hydrazide methanol （C14H10Br2N2O3·CH3OH）, has been synthesized by the condensation of equimolar 3,5-dibromosalicylaldehyde and 2-hydroxybenzoic acid hydrazide in a methanol solution. The compound was characterized by elemental analysis, IR spectra, and singlecrystal X-ray diffraction. The compound consists of a Schiff base moiety 2-hydroxybenzoic acid [1-（3,5-dibromo-2-hydroxyphenyl）methylidene]hydrazide and a lattice methanol molecule. The crystal belongs to the monoclinic system, space group P21/n with a = 7.183（1）, b = 15.673（2）, c = 15.001（2） A, β = 98.345（2）°, Z = 4, V = 1670.9（4） A^3, Dc = 1.773 g/cm^3, Mr = 446.10, λ（MoKα） = 0.71073 , μ = 4.872 mm^-1, F（000） = 880, R = 0.0458 and wR = 0.0963. A total of 3445 unique reflections were collected, of which 2236 with I 〉 2σ（Ⅰ） were observed. As expected, the molecule adopts a trans configuration about the C=N double bond. The two benzene rings are nearly coplanar （mean deviation from the combined plane is 0.061（4） ）, with the dihedral angle of 7.9（3）°. The preliminary biological tests show that the compound has moderate antibacterial activities.

关键词： Schiff base acylhydrazone crystal structure antibacterial activity

A bibliometric analysis of gene editing research

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High Technology Letters 2020年第1期26卷 118-124页

作者： Yuan Fang Sun Jingsong Zheng Jia li nong Institute of Scientific and Technical Information of China Beijing 100038P.R.China

Gene editing, as a breakthrough in life science and medicine, makes significant scientific impact. The entire development process of gene editing through bibliometric analysis is studied to explore the distribution features and research focus with visual tool. The number of annual publications distribution, journal distribution and country distribution are analyzed in the basic distribution analysis. The keywords and co-citation are analyzed with CiteSpace to explore the research hotspots. The number of publications related to gene editing is increasing year by year. USA is the main publishing countries for gene editing research. CRISPR/Cas system is a hot topic in the field of genetic editing in last few years. Gene editing is opening up a world of possibilities for the treatment of genetic diseases.

关键词： gene editing bibliometric analysis CiteSpace publication

De-stressed mining of multi-seams:Surrounding rock control during the mining of a roadway in the overlying protected seam

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Mining Science and Technology 2011年第2期21卷 159-164页

作者： Wang Cheng Zhang nong li Guichen Zhang Nianchao School of Mines State Key Laboratory of Coal Resources and Safe Mining China University of Mining ＆ Technology Xuzhou 221008 China

Surrounding rock control in the overlying protective coal seam is a challenging topic for de-stressed mining of multi-seamed *** research findings on roadway control were used in the design of a physical model of a complex textured roof having a varying *** model was used to study roadway instability and collapse caused by dynamic *** results show that when the thickness of the roof exceeds the bolted depth the roadway security is least and the roof has the greatest possibility for *** simulations were also carried out to study stress redistribution before and after roadway excavation during underlying protective seam *** evolution of roadway displacement and fracture,as affected by support methods,has been well studied.A series of support principles and technologies for mining affected roadways has been proposed after demonstration of successful practical application in the Huainan *** principles and technologies are of extended value to deep coal mining support in China.

关键词： Multi-seams De-stressed mining Mining influenced roadway Control technology

Consensus on glycemic management for patients with coronary heart disease and type 2 diabetes

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Journal of Geriatric Cardiology 2024年第7期21卷 689-702页

作者： li-nong JI Yun-Dai CHEN Jing liU Xiang-Hai ZHOU Cardiovascular Subcommittee of Chinese International Exchange and Promotion Association for Medical and Healthcare Peking University People's Hospital Chinese PLA General Hospital

The prevalence of patients with coronary heart disease(CHD)and diabetes mellitus is notably high,posing sig-nificant residual cardiovascular risks even after routine interventions such as antihypertensive,lipid-lowering,and antithrombot-ic *** studies have demonstrated that certain glucose-lowering medications confer cardiovascular benefits for pa-tients with type 2 ***,a survey indicates that cardiologists may not be fully acquainted with the optimal screen-ing timing,indicators,and diagnostic criteria for type 2 diabetes,and there is insufficient awareness and a low rate of prescrip-tion of novel glucose-lowering medications with proven cardiovascular efficacy,such as glucagon-like peptide-1 receptor agon-ists(GLP-1 RAs)and sodium-glucose co-transporter-2 inhibitors(SGLT-2i).In this context,based on domestic and international guidelines or consensus and the latest evidence-based evidence,this consensus aims to standardize the glycemic management for patients with acute coronary syndrome,chronic coronary syndrome,and perioperative management for percutaneous coronary *** highlights the key points of screening and diagnosis of type 2 diabetes,and the comprehensive management of cardiovascular risk in patients with *** consensus elaborates on the principles and algorithms of glycemic management for CHD patients,without involving acute complications of diabetes,clarifies the clinical practice of glucose-lowering medications with cardiovascular benefits,and promotes the standardized use of these medications in cardiovascular and other related spe-cialty ***,it addresses the glucose-lowering treatment to comprehensively reduce cardiovascular risks.

关键词： coronary patients routine

THE METHOD OF THE RECIPROCAL THEOREM OF FORCED VIBRATION FOR THE ELASTIC THIN RECTANGULAR PLATES(Ⅱ)——RECTANGULAR PLATES WITH TWO ADJACENT CLAMPED EDGES

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Applied Mathematics and Mechanics(English Edition) 1990年第11期11卷 1043-1054页

作者： Fu Bao-lian li nong Yanshan University Qinhuangdao Luoyang Technology Institute.Luoyang

In this paper, applying the method of reciprocal theorem, we give the distributions of the amplitude of bending moments along clamped edges and the amplitude of deflections along free edges of rectangular plates with ... 详细信息

关键词： the method of reciprocal theorem force vibration the amplitude of bending moment the amplitude of deflection elastic thin plate

THE METHOD OF THE RECIPROCAL THEOREM OF FORCED VIBRATION FOR THE ELASTIC THIN RECTANGULAR PLATES(Ⅲ)--CANTILEVER RECTANGULAR PLATES

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Applied Mathematics and Mechanics(English Edition) 1991年第7期12卷 663-680页

作者： Fu Bao-lian li nong Yanshan University Qinhuagdao Luoyang Technology Institute Luoyang

In this paper,applying the method of the reciprocal theorem,we give the stationary solutions of the forced vibration of cantilever rectangular plates under uniformly distributed harmonic load and concentrated harmonic load acting at any point of the plates,the figures and tables of number value of bending moment and the deflection amplitudes as well.

关键词： the method of reciprocal theorem forced vibration cantilever rectangular plate the amplitude of bending moment the amplitude of deflection

Parameter Extension and the Quasi-Rational Solution of a Lattice Boussinesq Equation

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Chinese Physics Letters 2013年第4期30卷 1-4页

作者： nong li-Juan ZHANG Da-Jun SHI Ying ZHANG Wen-Ying Department of Mathematics Shanghai UniversityShanghai 200444

For a lattice Boussinesq equation,we introduce a simple-parameter invertible transformation by which the equation is transformed into an extended *** new equation admits solitons and nonzero quasi-rational solutions,b... 详细信息

关键词： equation. Boussinesq equation

A Secure communication method for a high-power information signal based on chaotic masking

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Chinese Physics B 2002年第11期11卷 1124-1127页

作者： li Jian-Fen(李建芬) li nong(李农) The Engineering Institute of the Air Force Engineering University Xi'an 710038 China

In this paper, we present a secure communication method for a high-power information signal based on chaoticmasking. In the transmitter, an adaptive controller is adopted to pick up the change of the information signal, andto inject the controller's error into the transmitting system. At the same time, the information is directly added tothe chaotic signal in transmission to drive the receiving system. In the receiver, another adaptive controller is usedto maintain chaotic synchronization of the transmitting and receiving systems and to recover the information *** the synchronization error is independent from the information signal, the power of the information signal can beequivalent to that of the chaotic signal, and the frequency of the information signal can be set within the range of theprincipal frequencies of the chaotic signal. The results of theoretical analysis and numerical simulation show that thepresented method not only enhances the degree of security of low-dimensional chaotic systems but also significantlyimproves the signal-to-noise ratio at the receiving end.

关键词： chaotic masking secure communications adaptive controllers Chua's circuits

Negation of the negation on beta-blockers in patients with cardiovascular diseases and noncardiac surgery

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医学争鸣 2013年第4期4卷 36-41页

作者： SUN Jian-Zhong DING Qian YAO li-nong Department of Anesthesiology Thomas Jefferson University Department of Anesthesiology Tangdu Hospital Fourth Military Medical University

The best protocol of perioperative beta-blockers remains *** studies have demonstrated that tight heart rate control by beta-blockers reduced perioperative myocardial ischemia and improved clinical ***,the recent studies have failed to provide evidence to support perioperative beta blockers,with potential increased mortality as showed in the POISE *** this paper,perioperative use of beta-blockers will be discussed,especially about the evolution of their perioperative therapeutic application and current status.

关键词：摘要编辑部编辑工作读者

Treatment response between Asian and non-Asian patients with type 2diabetes:is there any similarity or difference?

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Chinese Medical Journal 2019年第1期132卷 1-3页

作者： Xiao-ling Cai li-nong Ji Department of Endocrinology and Metabolism Peking University People's HospitalBeijing 100044China

Introduction According to the latest edition of Diabetes Atlas,the prevalence of diabetes is increasing globally,but the situation is particularly alarming in Asia and in China.[1,2,3] It was estimated that,for the same body mass index (BMI),Asian population had a higher prevalence of diabetes than the non-Asian counterparts,[4] because of the lower BMIs reported in Asian diabetes population.

关键词： Type 2 diabetes Asia body mass index (BMI)