Zheng, Jiao‑Yun: search on Z-Library

The world's largest scientific articles store. 70,000,000+ articles for free.

1

Interhemispheric functional connectivity for Alzheimer’s disease and amnestic mild cognitive impairment based on the triple network model; 基于三网络模式的阿尔茨海默病和遗忘型轻度认知功能障碍的半球间功能连接研究;

Liao, Zheng-luan, Tan, Yun-fei, Qiu, Ya-ju, Zhu, Jun-peng, Chen, Yan, Lin, Si-si, Wu, Ming-hao, Mao, Yan-ping, Hu, Jiao-jiao, Ding, Zhong-xiang, Yu, En-yan

Journal:

Journal of Zhejiang University SCIENCE B

Year:

2018

Language:

english

File:

PDF, 1.25 MB

english, 2018

2

Application of the Ethyl Acetate Extract of Cichorium as a Potential Photosensitizer in Photodynamic Therapy Induces Apoptosis and Autophagy in Colorectal Cancer Cell Lines via the Protein Kinase R-Like Endoplasmic Reticulum Kinase Pathway

Wen, Yu, Zhang, Zi-Jian, Huang, Yun-Peng, Wang, Kun-Peng, Liu, Kai, Zou, Heng, Zhou, Jiang-Jiao, Zou, Zhen-Xing, Luo, Shi-Lin, Liu, Zhong-Tao, Wu, Zheng-Chun, Chen, Wei, Xiong, Li

Journal:

Journal of Biomedical Nanotechnology

Year:

2019

File:

PDF, 32.67 MB

2019

3

Effects of Kaixin Jieyu Decoction (开心解郁汤) on behavior, monoamine neurotransmitter levels, and serotonin receptor subtype expression in the brain of a rat depression model

Huang, Shi-jing, Zhang, Xian-hui, Wang, Yan-yun, Pan, Ju-hua, Cui, Han-ming, Fang, Su-ping, Wu, Wei, Zheng, Jun, Li, Duo-jiao, Bai, Ge

Journal:

Chinese Journal of Integrative Medicine

Year:

2014

Language:

english

File:

PDF, 632 KB

english, 2014

4

Efficacy and safety of Wuling capsule, a single herbal formula, in Chinese subjects with insomnia: A multicenter, randomized, double-blind, placebo-controlled trial

Yan Lin, Xiao-yun Wang, Ren Ye, Wan-hua Hu, Shu-chen Sun, Hong-juan Jiao, Xiu-hua Song, Zheng-zhong Yuan, Yuan-yuan Zheng, Guo-qing Zheng, Jin-Cai He

Journal:

Journal of Ethnopharmacology

Year:

2013

Language:

english

File:

PDF, 204 KB

english, 2013

5

A CqFerritin protein inhibits white spot syndrome virus infection via regulating iron ions in red claw crayfish Cherax quadricarinatus

Chen, Xiao-Xiao, Li, Yan-Yao, Chang, Xue-Jiao, Xie, Xiao-Lu, Liang, Yu-Ting, Wang, Ke-Jian, Zheng, Wen-Yun, Liu, Hai-Peng

Journal:

Developmental & Comparative Immunology

Year:

2018

Language:

english

File:

PDF, 2.25 MB

english, 2018

6

Prevalence and Influencing Factors on Fatigue of First-line Nurses Combating with COVID-19 in China: A Descriptive Cross-Sectional Study

Zhan, Yu-xin, Zhao, Shi-yu, Yuan, Jiao, Liu, Huan, Liu, Yun-fang, Gui, Ling-li, Zheng, Hong, Zhou, Ya-min, Qiu, Li-hua, Chen, Jiao-hong, Yu, Jiao-hua, Li, Su-yun

Journal:

Current Medical Science

Year:

2020

File:

PDF, 401 KB

2020

7

Molecular Epidemiological Survey of Hemoglobinopathies in the Wuxi Region of Jiangsu Province, Eastern China

Lin, Min, Han, Zhi-Jun, Wang, Qian, Zheng, Lei, Wang, Yan, Yang, Hui, Huang, Yue, Lin, Fen, Zhan, Xiao-Fen, Lin, Chun-Ping, Wu, Jiao-Ren, Luo, Zhao-Yun, Liu, Jing-Bo, Yan, Zhi-He, Zheng, Shu-Yan, Zhen

Journal:

Year:

2013

Language:

english

File:

PDF, 772 KB

english, 2013

8

Composition of gut and oropharynx bacterial communities in Rattus norvegicus and Suncus murinus in China

He, Wen-qiao, Xiong, Yi-quan, Ge, Jing, Chen, Yan-xia, Chen, Xue-jiao, Zhong, Xue-shan, Ou, Ze-jin, Gao, Yu-han, Cheng, Ming-ji, Mo, Yun, Wen, Yu-qi, Qiu, Min, Huo, Shu-ting, Chen, Shao-wei, Zheng, Xu

Journal:

BMC Veterinary Research

Year:

2020

File:

PDF, 2.50 MB

2020

9

In Situ-Formed Hollow Cobalt Sulfide Wrapped by Reduced Graphene Oxide as an Anode for High-Performance Lithium-Ion Batteries

Lu, Shi-jie, Wang, Zhi-teng, Zhang, Xia-hui, He, Zhen-jiang, Tong, Hui, Li, Yun-jiao, Zheng, Jun-chao

Journal:

ACS Applied Materials & Interfaces

Year:

2020

Language:

english

File:

PDF, 3.75 MB

english, 2020

10

Phase equilibrium modelling and SHRIMP zircon U–Pb dating of medium-pressure pelitic granulites in the Helanshan complex of the Khondalite Belt, North China Craton, and their tectonic implications

Xu, Xiao-Fei, Gou, Long-Long, Long, Xiao-Ping, Dong, Yun-Peng, Liu, Xiao-Ming, Zi, Jian-Wei, Li, Zheng-Hui, Zhang, Cheng-Li, Liu, Liang, Zhao, Jiao

Journal:

Precambrian Research

Year:

2018

Language:

english

File:

PDF, 3.20 MB

english, 2018

11

A Built-In CpG Adjuvant in RSV F Protein DNA Vaccine Drives a Th1 Polarized and Enhanced Protective Immune Response

Ma, Yao, Jiao, Yue-Ying, Yu, Yun-Zhou, Jiang, Nan, Hua, Ying, Zhang, Xiu-Juan, Fu, Yuan-Hui, Peng, Xiang-Lei, Zheng, Yan-Peng, Anderson, Larry, He, Jin-Sheng

Journal:

Year:

2018

Language:

english

File:

PDF, 3.83 MB

english, 2018

12

Comparison between conidia and blastospores ofEsteya vermicola, an endoparasitic fungus of the pinewood nematode,Bursaphelenchus xylophilus

Wang, Yun-Bo, Yang, Zhi-Hong, Yu, Jiao-Jiao, Zhang, Yong-An, Xue, Jian-Jie, Li, Zheng, Li, Jing-Jie, Wang, Chun-Yan, Wang, Zhen, Hou, Jin-Gang, Begum, Shahraz, Gu, Li-Juan, Lee, Mi-Ra, Sung, Chang-Keu

Journal:

World Journal of Microbiology and Biotechnology

Year:

2013

Language:

english

File:

PDF, 359 KB

english, 2013

13

The improvement of postural control in patients with mechanical ankle instability after lateral ankle ligaments reconstruction

Li, Hong-Yun, Zheng, Jie-Jiao, Zhang, Jian, Cai, Ye-Hua, Hua, Ying-Hui, Chen, Shi-Yi

Journal:

Knee Surgery, Sports Traumatology, Arthroscopy

Year:

2016

Language:

english

File:

PDF, 423 KB

english, 2016

14

Detection of large-scale groundwater storage variability over the karstic regions in Southwest China

Huang, Zhiyong, Yeh, Pat J.-F., Pan, Yun, Jiao, Jiu Jimmy, Gong, Huili, Li, Xiaojuan, Güntner, Andreas, Zhu, Yunqiang, Zhang, Chong, Zheng, Longqun

Journal:

Journal of Hydrology

Year:

2019

Language:

english

File:

PDF, 4.04 MB

english, 2019

15

Effect of Rapid Thermal Process on the Recrystallization and Precipitation in Non-Oriented Electrical Steels Produced by Twin-Roll Strip Casting

Han, Qiong Qiong, Jiao, Hai Tao, Wang, Yang, Zhang, Yuan Xiang, Qiu, Wen Zheng, Zhao, Cong Wen, Yu, Yong Mei, Xu, Yun Bo

Journal:

Materials Science Forum

Year:

2016

Language:

english

File:

PDF, 643 KB

english, 2016

16

Phenolic constituents, pharmacological activities, quality control, and metabolism of Dracaena species: A review

Sun, Jing, Liu, Jia-Ni, Fan, Bei, Chen, Xiao-Nan, Pang, Dao-Ran, Zheng, Jiao, Zhang, Qian, Zhao, Yun-Fang, Xiao, Wei, Tu, Peng-Fei, Song, Yue-Lin, Li, Jun

Journal:

Journal of Ethnopharmacology

Year:

2019

Language:

english

File:

PDF, 1000 KB

english, 2019

17

Application of intelligent anchor cable axial force monitoring system in foundation pit support engineering

Zheng-jun, HUANG, Lei, ZHANG, Shen-hua, JIAO, Yu, LIU, Dong, ZHANG, Liang, ZHANG, Sung, Wen-Pei, Han, Tao-Yun

Journal:

MATEC Web of Conferences

Year:

2018

Language:

english

File:

PDF, 762 KB

english, 2018

18

Synthesis of highly functionalized 2,4-diaminoquinazolines as anticancer and anti-HIV agents

Sheng-Jiao Yan, Han Zheng, Chao Huang, Yu-Yun Yan, Jun Lin

Journal:

Bioorganic & Medicinal Chemistry Letters

Year:

2010

Language:

english

File:

PDF, 353 KB

english, 2010

19

Transient Receptor Potential Melastatin-8 Activation Induces Relaxation of Pulmonary Artery by Inhibition of Store-Operated Calcium Entry in Normoxic and Chronic Hypoxic Pulmonary Hypertensive Rats

Mu, Yun-Ping, Lin, Da-Cen, Zheng, Si-Yi, Jiao, Hai-Xia, Sham, James, Lin, Mo-Jun

Journal:

Journal of Pharmacology and Experimental Therapeutics

Year:

2018

Language:

english

File:

PDF, 3.27 MB

english, 2018

20

Development and validation of the cancer symptoms discrimination scale: a cross-sectional survey of students in Yunnan, China

Feng, Lin-sen, Dong, Zheng-jiao, Yan, Ruo-yu, Tu, Chang-ling, Zhang, Lan-yu, Shen, Jiang-yun, Zhang, Shi-yu

Journal:

BMC Palliative Care

Year:

2020

File:

PDF, 989 KB

2020

21

Mandible reconstruction assisted by preoperative virtual surgical simulation

Guang-sen Zheng, Yu-xiong Su, Gui-qing Liao, Zhuo-fan Chen, Lin Wang, Pei-feng Jiao, Hai-chao Liu, Yun-qi Zhong, Tong-han Zhang, Yu-jie Liang

Journal:

Oral Surgery Oral Medicine Oral Pathology and Oral Radiology

Year:

2012

Language:

english

File:

PDF, 2.52 MB

english, 2012

22

Non-classical photon correlation in a two-dimensional photonic lattice

Gao, Jun, Qiao, Lu-Feng, Lin, Xiao-Feng, Jiao, Zhi-Qiang, Feng, Zhen, Zhou, Zheng, Gao, Zhen-Wei, Xu, Xiao-Yun, Chen, Yuan, Tang, Hao, Jin, Xian-Min

Journal:

Year:

2016

Language:

english

File:

PDF, 1.75 MB

english, 2016

23

Boosting cell performance of LiNi0.8Co0.1Mn0.1O2 cathode material via structure design

Tang, Lin-bo, Liu, Yang, Wei, Han-xin, Yan, Cheng, He, Zhen-jiang, Li, Yun-jiao, Zheng, Jun-chao

Journal:

Journal of Energy Chemistry

Year:

2020

File:

PDF, 4.18 MB

2020

24

T-cell lymphoma with POEMS syndrome

Zou, Fangwen, Li, Zhenhua, Ma, Jin‑An, Qiu, Zhenhua, Tang, Yi‑Fang, Zheng, Jiao‑Yun

Journal:

Oncology Letters

Year:

2014

Language:

english

File:

PDF, 687 KB

english, 2014

25

Expression analysis for candidate genes associated with eggshell mechanical property

SUN, Cong-jiao, DUAN, Zhong-yi, QU, Lu-jiang, ZHENG, Jiang-xia, YANG, Ning, XU, Gui-yun

Journal:

Journal of Integrative Agriculture

Year:

2016

Language:

english

File:

PDF, 373 KB

english, 2016

26

H∞ Fault Tolerant Control of Wind Turbine System with Actuator Faults

Qi, KOU, De-hui, SUN, Zheng-xi, LI, Shu-juan, QIAO, Yan-jiao, HOU, Yun-tao, SHI

Journal:

IFAC Proceedings Volumes

Year:

2014

Language:

english

File:

PDF, 415 KB

english, 2014

27

Identification and Validation Novel of VIM-2 Metallo-β-lactamase Tripeptide Inhibitors

Xiao, Jing, Fang, Mi, Shi, Yun, Chen, Hui, Shen, Bingzhen, Chen, Jiao, Lao, Xingzhen, Xu, Hanmei, Zheng, Heng

Journal:

Molecular Informatics

Year:

2015

Language:

english

File:

PDF, 2.09 MB

english, 2015

28

Allopregnanolone Reinstates Tyrosine Hydroxylase Immunoreactive Neurons and Motor Performance in an MPTP-Lesioned Mouse Model of Parkinson's Disease

Adeosun, Samuel O., Hou, Xu, Jiao, Yun, Zheng, Baoying, Henry, Sherry, Hill, Rosanne, He, Zhi, Pani, Amar, Kyle, Patrick, Ou, Xiaoming, Mosley, Thomas, Farley, Jerry M., Stockmeier, Craig, Paul, Ian,

Journal:

Year:

2012

Language:

english

File:

PDF, 1.52 MB

english, 2012

29

Li4V2Mn(PO4)4-stablized Li[Li0.2Mn0.54Ni0.13Co0.13]O2 cathode materials for lithium ion batteries

Yang, Shu-qi, Wang, Peng-bo, Wei, Han-xin, Tang, Lin-bo, Zhang, Xia-hui, He, Zhen-jiang, Li, Yun-jiao, Tong, Hui, Zheng, Jun-chao

Journal:

Year:

2019

Language:

english

File:

PDF, 3.71 MB

english, 2019

30

Shallow and deep neural network training by water wave optimization

Zhou, Xiao-Han, Zhang, Min-Xia, Xu, Zhi-Ge, Cai, Ci-Yun, Huang, Yu-Jiao, Zheng, Yu-Jun

Journal:

Swarm and Evolutionary Computation

Year:

2019

Language:

english

File:

PDF, 2.30 MB

english, 2019

31

Population Pharmacokinetic Analysis of Tacrolimus in Adult Chinese Patients with Myasthenia Gravis: A Prospective Study

Liu, Jue, Guo, Yun-Peng, Jiao, Zheng, Zhao, Chong-Bo, Wu, Hui, Li, Zi-Ran, Cai, Xiao-Jun, Xi, Jian-Ying

Journal:

European Journal of Drug Metabolism and Pharmacokinetics

Year:

2020

Language:

english

File:

PDF, 1.31 MB

english, 2020

32

Lidocaine

Huang, Shi-jing, Zhang, Xian-hui, Wang, Yan-yun, Pan, Ju-hua, Cui, Han-ming, Fang, Su-ping, Wu, Wei, Zheng, Jun, Li, Duo-jiao, Bai, Ge

Journal:

Reactions Weekly

Year:

2014

Language:

english

File:

PDF, 219 KB

english, 2014

33

Flavonoid dimers from the total phenolic extract of Chinese dragon's blood, the red resin of Dracaena cochinchinensis

Pang, Dao-Ran, Su, Xiao-Qin, Zhu, Zhi-Xiang, Sun, Jing, Li, Yue-Ting, Song, Yue-Lin, Zhao, Yun-Fang, Tu, Peng-Fei, Zheng, Jiao, Li, Jun

Journal:

Year:

2016

Language:

english

File:

PDF, 852 KB

english, 2016

34

External Evaluation of Population Pharmacokinetic Models for Cyclosporine in Adult Renal Transplant Recipients

Mao, Jun-Jun, Jiao, Zheng, Yun, Hwi-Yeol, Zhao, Chen-Yan, Chen, Han-Chao, Qiu, Xiao-Yan, Zhong, Ming-Kang

Journal:

British Journal of Clinical Pharmacology

Year:

2017

Language:

english

File:

PDF, 875 KB

english, 2017

35

Low expression level of HMBOX1 in high-grade serous ovarian cancer accelerates cell proliferation by inhibiting cell apoptosis

Yu, Yun-Liang, Diao, Nan-Nan, Li, Yu-Zheng, Meng, Xiao-Hui, Jiao, Wen-Lin, Feng, Jin-Bo, Liu, Zhen-Ping, Lu, Nan

Journal:

Biochemical and Biophysical Research Communications

Year:

2018

Language:

english

File:

PDF, 1.89 MB

english, 2018

36

In-situ preparation of multi-layered sandwich-like CuCo2S4/rGO architectures as anode material for high-performance lithium and sodium ion batteries

Li, Qun, Jiao, Qingze, Li, Hansheng, Zhou, Wei, Feng, Xueting, Qiu, Bao, Shi, Quan, Zheng, Yang, Zhao, Yun, Feng, Caihong

Journal:

Journal of Alloys and Compounds

Year:

2020

File:

PDF, 3.46 MB

2020

37

Tumor necrosis factor-α increases angiopoietin-like protein 2 gene expression by activating Foxo1 in 3T3-L1 adipocytes

Jiao-Yang Zheng, Jun-Jie Zou, Wen-Zhao Wang, Xiao-Yun Feng, Yong-Yuan Shi, Ying Zhao, Gang Jin, Zhi-Min Liu

Journal:

Molecular and Cellular Endocrinology

Year:

2011

Language:

english

File:

PDF, 1.39 MB

english, 2011

38

[IEEE 2009 IEEE International Conference on Systems, Man and Cybernetics - SMC - San Antonio, TX, USA (2009.10.11-2009.10.14)] 2009 IEEE International Conference on Systems, Man and Cybernetics - A robust multi-class traffic sign detection and classification system using asymmetric and symmetric features

Jiao, Jialin, Zheng, Zhong, Park, Jungme, Murphey, Yi L., Luo, Yun

Year:

2009

Language:

english

File:

PDF, 239 KB

english, 2009

39

Dihydrochalcones and homoisoflavanes from the red resin of Dracaena cochinchinensis (Chinese dragon's blood)

Su, Xiao-Qin, Song, Yue-Lin, Zhang, Jing, Huo, Hui-Xia, Huang, Zheng, Zheng, Jiao, Zhang, Qian, Zhao, Yun-Fang, Xiao, Wei, Li, Jun, Tu, Peng-Fei

Journal:

Year:

2014

Language:

english

File:

PDF, 480 KB

english, 2014

40

The Evaluation of Lightness and Chroma Difference for Images According to Color Difference Formulae

Liu, Hao Xue, Chen, Yuan Dou, Hao, Yun Long, Zheng, Ning Ning, Jiao, Ao

Journal:

Applied Mechanics and Materials

Year:

2011

Language:

english

File:

PDF, 363 KB

english, 2011

41

[IEEE 2014 11th World Congress on Intelligent Control and Automation (WCICA) - Shenyang, China (2014.6.29-2014.7.4)] Proceeding of the 11th World Congress on Intelligent Control and Automation - A Hybrid optimal control structure of DFIG Wind Energy Convert System

Shi, Yun-tao, Kou Qi,, Hou Yan-jiao,, Zhou Yang,, Sun De-hui,, Li Zheng-xi,

Year:

2014

Language:

english

File:

PDF, 839 KB

english, 2014

42

Skermanella rubrasp. nov., a bacterium isolated from the desert of Xinjiang, China

Zhang, Zheng-Yun, Gao, Xu-Hong, Zhang, Yun-Jiao, Jia, Man, Lu, Xiao-Ju, Ma, Yong-Chun, Tian, Fei, Xie, Qiong, Tang, Shu-Kun

Journal:

Antonie van Leeuwenhoek

Year:

2015

Language:

english

File:

PDF, 412 KB

english, 2015

43

Intrathecal Infusion of Pyrrolidine Dithiocarbamate for the Prevention and Reversal of Neuropathic Pain in Rats Using a Sciatic Chronic Constriction Injury Model

Pan, Yun-Dan, Guo, Qu-Lian, Wang, E., Ye, Zhi, He, Zheng-Hua, Zou, Wang-Yuan, Cheng, Zhi-Gang, Wang, Yun-Jiao

Journal:

Regional Anesthesia and Pain Medicine

Year:

2010

Language:

english

File:

PDF, 1014 KB

english, 2010

44

Cornel iridoid glycoside exerts a neuroprotective effect on neuroinflammation in rats with brain injury by inhibiting NF-κB and STAT3

Zheng, Tingting, Peng, Jiao, Pei, Tao, Shi, Yu, Liu, Li, Chen, Keke, Xiao, Haitao, Chen, Yun

Journal:

Year:

2019

Language:

english

File:

PDF, 1.06 MB

english, 2019

45

The Goldfish SG2NA Gene Encodes Two α-Type Regulatory Subunits for PP-2A and Displays Distinct Developmental Expression Pattern

Ma, Hai-Li, Peng, Yun-Lei, Gong, Lili, Liu, Wen-Bin, Sun, Shuming, Liu, Jiao, Zheng, Chun-Bing, Fu, Hu, Yuan, Dan, Zhao, Junqiong, Chen, Pei-Chao, Xie, Si-si, Zeng, Xiao-Ming, Xiao, Ya-Mei, Liu, Yun,

Journal:

Gene Regulation and Systems Biology

Year:

2009

File:

PDF, 7.70 MB

2009

46

Dual signal amplification for highly sensitive electrochemical detection of uropathogens via enzyme-based catalytic target recycling

Jiao Su, Haijie Zhang, Bingying Jiang, Huzhi Zheng, Yaqin Chai, Ruo Yuan, Yun Xiang

Journal:

Biosensors and Bioelectronics

Year:

2011

Language:

english

File:

PDF, 584 KB

english, 2011

47

Hepatitis C virus infection and the risk of intrahepatic cholangiocarcinoma and extrahepatic cholangiocarcinoma: evidence from a systematic review and meta-analysis of 16 case-control studies

Li, Hao, Hu, Bin, Zhou, Zun-Qiang, Guan, Jiao, Zhang, Zheng-Yun, Zhou, Guang-Wen

Journal:

World Journal of Surgical Oncology

Year:

2015

Language:

english

File:

PDF, 835 KB

english, 2015

48

H∞ Fault Tolerant Control of WECS Based on the PWA Model

Shi, Yun-Tao, Kou, Qi, Sun, De-Hui, Li, Zheng-Xi, Qiao, Shu-Juan, Hou, Yan-Jiao

Journal:

Year:

2014

Language:

english

File:

PDF, 462 KB

english, 2014

49

High sensitivity of a tropical rainforest to water variability: Evidence from 10 years of inventory and eddy flux data

Tan, Zheng-Hong, Cao, Min, Yu, Gui-Rui, Tang, Jian-Wei, Deng, Xiao-Bao, Song, Qing-Hai, Tang, Yong, Zheng, Zheng, Liu, Wen-Jie, Feng, Zhi-Li, Deng, Yun, Zhang, Jiao-Lin, Liang, Naishen, Zhang, Yi-Ping

Journal:

Journal of Geophysical Research Atmospheres

Year:

2013

Language:

english

File:

PDF, 1.96 MB

english, 2013

50

Circulating follicular helper T cells presented distinctively different responses toward bacterial antigens in primary biliary cholangitis

Zhou, Zun-Qiang, Tong, Da-Nian, Guan, Jiao, Li, Mei-Fang, Feng, Qi-Ming, Zhou, Min-Jie, Zhang, Zheng-Yun

Journal:

International Immunopharmacology

Year:

2017

Language:

english

File:

PDF, 917 KB

english, 2017

To build up a library is to create a life. It’s never just a random collection of books.

— Carlos María Domínguez

Official channel

Z-Library Desktop Launcher

Z-Library Since 2009 support@1delivery.pm

EnglishРусскийEspañolItalianoελληνικάاللغة العربيةBahasa IndonesiaBahasa Malaysiaहिन्दीDeutschFrançaisPortuguêsУкраїнськаPolski中文繁體中文日本語Tiếng ViệtAzərbaycan DiliՀայոց լեզուภาษาไทยTürk Diliქართველიবাংলাپښتوతెలుగుاردو한국어SrpskiБългарски