Name： YU Ren-Cheng
Title：Professor
Research Field: Marine Environmental Biology
Tel/Fax: 0086-532-82898590
E-mail: rcyu@qdio.ac.cn
More:
Key Laboratory of Marine Ecology and Environmental Sciences (KLMEES)
Chinese Academy of Sciences
http://klmees.qdio.cas.cn/
Resume:
2008 – present, Professor, KLMEES, Institute of Oceanology, Chinese Academy of Sciences
2005, Visiting scientist, Jena University, Germany
2004, Visiting scholar, Institute for Marine Bioscience, National Research Council, Canada
2001-2008, Associate Professor, KLMEES, Institute of Oceanology, Chinese Academy of Sciences
1998 – 2001, Assistant Professor, Marine Ecotoxicology Laboratory, Institute of Oceanology, Chinese Academy of Sciences
Education：
Ph.D., 1998, Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, China
B.S. , 1993, Ecology and Environmental Biology, Nankai University, China
Professional Memberships：
Secretary in General, Water Environment Branch, Chinese Society for Oceanology and Limnology (2007-)
Member, The fourth Chinese Association of Young Scientists and Technologists (2007-2014)
Member, The third Youth Association of the Chinese Academy of Sciences (2010-)
Research Interests:
Harmful algal blooms and phycotoxins, marine pollution and ecotoxicology
Honors and Awards:
Innovative Progress Award of the State Ocean Administration, the Second Prize, No. 7, (2005)
Publications:
1. Liu Q, Yu RC*, Yan T, Zhang QC, Zhou MJ. 2015. Laboratory study on the life history of bloom-forming Ulva prolifera in the Yellow Sea. Estuarine Coastal and Shelf Science, DOI: 10.1016/j.ecss.2014.08.011.
2. Zhang QC, Liu Q, Kang ZJ, Yu RC*, Yan T, Zhou MJ. 2015 . Development of a fluorescence in situ hybridization (FISH) method for rapid detection of Ulva prolifera. Estuarine Coastal and Shelf Science, DOI: 10.1016/j.ecss.2014.09.004.
3. Zhang QC, Liu Q, Yu RC*, Kang ZJ, Guo W, Ding YM, Chen JH, Wang YF, Li Y, Yan T, Zhou MJ. 2015. Application of a fluorescence in situ hybridization (FISH) method to study green tides in the Yellow Sea. Estuarine Coastal and Shelf Science, DOI: 10.1016/j.ecss.2014.09.005.
4. Chen JH, Yu RC*, Kong FZ, Gao Y, Luo X, Wang YF, Zhou MJ. 2014. Detection of lipophilic phycotoxin in Patinopecten yessoensis in the northern Yellow Sea. Oceanologia et Limnologia Sinica, 45(4), 855-863．(in Chinese)
5. Kang ZJ, Yu RC*, Kong FZ, Gao Y, Wang YF, Guo W, Chen JH, Zhou MJ. 2014．Pigment composition, content and distribution in surface sediment of the red-tide zone south to the Changjiang River estuary in spring. Marine Sciences, 38(10), 30-39. (in Chinese)
6. Lu DD，Qi YZ，Gu HF，Dai XF*，Wang HX，Gao YH，Shen PP，Zhang QC，Yu RC，Lu SH. 2014．Causative species of harmful algal blooms in Chinese coastal waters．Algological Studies, 145/146, 145-168.
7. Luo X, Yu RC*, Zhou MJ. 2014．Analysis of toxins in cells of Dinophysis acuminata collected from the coastal waters of Qingdao with a LC-MS method. Marine Environmental Science. 33(5), 781-787. (in Chinese)
8. Chen JH, Yu RC*, Gao Y, Kong FZ, Wang YF, Zhang QC, Kang ZJ, Yan T, Zhou MJ. 2013. Tracing the origin of paralytic shellfish toxins in scallop Patinopecten yessoensis in the northern Yellow Sea．Food Additives & Contaminants: Part A. 30(11), 1933-1945．
9. Gao Y, Yu RC*, Zhang QC, Zhou MJ. 2013. Application of qPCR method in detection of Alexandrium tamarense species complex in China. Acta Scientiae Circumstantiae，33(8), 2256-2263．(in Chinese)
10. Zhang QC, Song JJ, Yu RC*, Yan T, Wang YF, Kong FZ, Zhou MJ. 2013. Roles of mixotrophy in blooms of different dinoflagellates: Implications from the growth experiment. Harmful Algae, 30, 10-26.
11. Bouwman L*, Beusen A, Glibert PM, Overbeek C, Pawlowski M, Herrera J, Mulsow S, Yu RC, Zhou MJ. 2013. Mariculture: signi？cant and expanding cause of coastal nutrient enrichment. Environmental Research Letter, 8, 1-5.
12. Feng ZZ, Yu RC*, Zhou MJ. 2012. Analysis of purified okadaic acid and dinophysis toxin1 from Prorocentrum lima Dodge. Chinese Journal of Analytical Chemistry, 40(4), 539-544. (In Chinese)
13. Kong FZ, Yu RC*, Xu ZJ, Zhou MJ. 2012. Application of excel in calculation of biodiversity indices. Marine Sciences, 36(4), 57-62. (In Chinese)
14. Kong FZ, Yu RC*, Zhang QC, Wang YF, Yan T, Zhou MJ. 2012. Primary analysies on the casative speciesof a bloom in the Sanggou Bay. Marine Environmental Science, 31(6), 824-829. (In Chinese)
15. Kong FZ, Yu RC*, Zhang QC, Yan T, Zhou MJ. 2012. Pigment characterization for the 2011 bloom in Qinhuangdao implicated “brown tide” events in China. Chinese Journal of Limnology and Oceanography. 30(3), 361-370.
16. Li A*, Ma J, Cao J, Wang Q, Yu RC, Thomas K, Quilliam MA. 2012. Analysis of paralytic shellfish toxins and their metabolites in shellfish from the North Yellow Sea of China. Food Additives & Contaminants: Part A, 29(9), 1455-1464.
17. Luo X, Yu RC*, Wang XJ, Zhou MJ. 2012. Toxin composition and toxicity dynamics of marine gastropod Nassarius spp. collected from Lianyungang, China. Food Additives and Contamination, Part A, 29(1), 117-127.
18. Tang XH, Yu RC*, Zhou MJ. 2012. Application of rRNA probes and fluorescent in situ hybridization for rapid identification and quantification of the toxic dinoflagellate Alexandrium minutum. Chinese Journal of Oceanology and Limnology. 30(2), 256-263.
19. Wang C, Yu RC*, Zhou MJ. 2012. Effects of the decomposing green macroalga Ulva (Enteromorpha) prolifera on the growth of four red-tide species. Harmfu Algae. 16, 12-19.
20. Xu X, Yu RC*, Luo X, Feng ZZ, Li AF, Yan T, Zhou MJ, Bai J. 2012. Effects of temperature, salinity and light intensity on the growth of a toxic strain of Prorocentrum lima. Marine Sciences, 12, 19-24. (In Chinese)
21. Zhang QC, Qiu LM, Yu RC*, Kong FZ, Wang YF, Yan T, Gobler CJ, Zhou MJ. 2012. Emergence of brown tides caused by Aureococcus anophagefferens Hargraves et Sieburth in China. Harmful Algae，19: 117-124.
22. Zhang QC, Yu RC*, Yan T, Wang YF, Zhou MJ. 2012. Ingestion of selected HAB forming dinoflagellates. Acta Ecologica Sinica, 32(2), 402-413. (In Chinese)
23. Chen Y, Yan T*, Yu RC, Zhou MJ. 2011. Toxic effects of Karenia mikimotoi extracts on mammalian cells. Chinese Journal of Oceanology and Limnology. 29(4), 860-868.
24. Li AF*, Ma FF, Song XL, Yu RC. 2011. Dynamic adsorption of diarrhetic shellfish poisoning (DSP) toxins in passive sampling relates to pore size distribution of aromatic adsorbent. Journal of Chromatography A, 1218, 1437-1442.
25. Li TS, Yu RC*, Zhou MJ. 2011. Short-term effects of different nitrogen substrates on growth and toxin production of Dinoflagellate Alexandrium catenella Balech (strain ACDH). Harmful Algae, 12, 46-54.
26. Wang C, Yu RC*, Zhou MJ. 2011. Acute toxicity of live and decomposing green alga Ulva (Enteromorpha) prolifera to abalone Haliotis discus hannai. Chinese Journal of Oceanology and Limnology. 29(3), 541-546.
27. Wang C, Yu RC*, Zhou MJ. 2011. Effects of Enteromorpha prolifera extract on hatchability of Pacific oyster (Crassostrea gigas) eggs. Journal of Fishery Sciences of China. 18(1), 202-207. (In Chinese)
28. Zhang QC*, Yu RC, Song JJ, Yan T, Wang YF, Zhou MJ. 2011. Will Harmful dinoflagellate Karenia mikimotoi grow phagotrophically? Chinese Journal of Oceanology and Limnology. 29(4), 849-859.
29. Li AF*, Tian ZJ, Li J, Yu RC, Banack SA, Wang ZY. 2010. Detection of the neurotoxin BMAA within cyanobacteria isolated from freshwater in China. Toxicon 55, 947–953.
30. Tang XH, Yu RC*, Zhang QC, Wang YF, Yan T, Zhou MJ. 2010. Molecular phylogenetic analysis of dinoflagellate Scrippsiella trochoidea isolated from the East Asian waters. Chinese Journal of Oceanology and Limnology. 28(2), 323-328.
31. Li AF, Yu RC, Li FM, Wang ZY*. 2009. Progresses in toxicology and detection methods for neurotoxin ？-N-methylamino-L-alanine. Chinese Journal of Pharmacology and Toxicology. 23(2), 152-156. (In Chinese)
32. Li TS, Yu RC*, Zhou MJ. 2009. Demand and adsorption strategies of phosphorus of Alexandrium catenella isolated from East China Sea. Marine Environmental Science, 28(4), 355-359. (In Chinese)
33. Tang XH, Yu RC*, Zhang QC, Wang YF, Yan T, Zhou MJ. 2009. Application of single-cell rDNA sequence analysis in identification of Alexandrium cells at various stages. High Technology Letters. 19(12), 1310-1315. (In Chinese)
34. Wang XJ, Yu RC*, Zhou MJ. 2009. Advances in studies on the ecological roles of tetrodotoxins. Acta Ecologica Sinica. 29(9), 5007-5014. (In Chinese)
35. Chen Y, Yan T*, Yu RC, Zhou MJ. 2008. Okadaic acid inhibits cells proliferation and induces apotosisi of human hepatocyte cell line HL-7702 and Hepatocellular cancer cell line Bel-7402. Acta Scientiarum Naturalium Universitatis Sunyatseni. 47(5), 86-92. (In Chinese)
36. Li AF, Han G, Yu RC. 2008. Progresses in studies of azaspiraeid poisoning. Journal of Fishery Sciences of China. 15(1), 183-187. (In Chinese)
37. Li AF, Yu RC*, Zhou MJ, Li J. 2008. A primary study on anatomical distribution of tetrodotoxin and its analogs in gastropod Nassarius succinctus. Journal of Hygiene Research. 4, 448-451. (In Chinese)
38. Li P, Yu RC, Tang XH, Zhou MJ. 2008. Comparison of sample preservation methods in single cell PCR experiment of algae. Marine Sciences. 32(6), 41-45. (In Chinese)
39. Luo X，Yu RC*, Wang XJ, Li J, Zhou MJ. 2008. Toxicity dynamics and toxin composition of Nassarius spp. from Fujian Province. Journal of Fisheries of China. 32(4), 636-643. (In Chinese)
40. Tang XH, Yu RC*, Chen Y, Zhang QC, Wang YF, Yan T, Zhou MJ. 2008. An oligo-nucleotide probe for detection of Alexandrium affine. Oceanologia et Limnologia Sinica. 39(6), 650-654.
41. Wang XJ, Yu RC*, Luo X, Zhou MJ, Lin XT. 2008. Toxin-screening and identification of bacteria isolated from highly toxic marine gastropod Nassarius semiplicatus. Toxicon. 52, 55-61.
42. Wang XJ, Yu RC*, Luo X, Zhou MJ, Shen JJ, Gu ZG. 2008. Toxicity screening and identification of bacteria isolated from snails Nassarius semiplicatus and their habitat. Acta Micrologica Sinica. 48(7), 911-916. (In Chinese)
43. Yu RC, Zhou MJ, Li AF, Luckas B，Li J., Wang YF, Yan T. 2008. Analysis of biotoxins in snails Nassarius spp. associated with two poisoning incidents. Yellow Sea. 9(1), 40-47.
44. Zhou MJ*, Shen ZL, Yu RC. 2008. Responses of a coastal phytoplankton community to increased nutrient input from the Changjiang (Yangtze) River. Continental and shelf research. 28, 1483-1489.
45. Kong FZ, Xu ZJ, Yu RC, Li QL. 2007. Paralytic shellfish poison(PSP) monitoring and analysis in the Bohai and Yellow Seas. Periodical of Ocean University of China. 37(2), 305-309. (In Chinese)
46. Li AF, Yu RC*, Li J, Wang YF, Yan T, Zhou MJ. 2007. A primary study on toxicity bioassay of snail (Nassarius sp.) samples using mysis shrimp (Neomysis awatschensis). Marine Environmental Science. 26(2), 112-115. (In Chinese)
47. Li AF, Yu RC*, Zhou MJ. 2007. Determination of tetrodotoxin by liquid chromatography coupled with electrospray ion-trap mass spectrometry. Chinese Journal of Analytical Chemistry. 35(3), 397-400. (In Chinese with English abstract)
48. Tan ZJ, Yan T*, Yu RC, Zhou MJ. 2007. Transfer of Paralytic Shellfish Toxins via Marine Food Chains: A Simulated Experiment. Biomedical and Environmental Sciences, 20, 235-241.
49. Yan T, Wang LP, Chen Y, Yu RC, Zhou MJ. 2007. Effects of Alexandrium tamarense on embryonic development of Argopecten irradians. Journal of Fisheries of China. 31(2), 178-183. (In Chinese)
50. Yu RC, Zhou MJ, Li AF, Zhang QC, Wang YF, Li J, Yan T, Quilliam M, Luckas B. 2007. Analysis of toxins in snails responsible for two poisoning incidents in China. Journal of Fishery Sciences of China. 14(5), 801-806. (In Chinese)
51. Zhou MJ, Yu RC. 2007. Mechanisms and impacts of harmful algal blooms and the countermeasures. Chinese Journal of Nature. 29(2), 72-77. (In Chinese)
52. Jiang GJ, Yu RC*, Zhou MJ. 2006. Studies on nitric oxide synthase activity in haemocytes of shrimps Fenneropenaeus chinensis and Marsupenaeus japonicus after white spot syndrome virus infection. Nitric Oxide, 14(3), 219-227.
53. Jiang Y, Gan XH, Tang XY*, Chen XL, Yu RC. 2006. Effects of nutrients nitrogen and phosphorus on Heterosigma akashiwo growth. Chinese Journal of Applied Ecology, 17(3), 557-559. (In Chinese)
54. Jiang Y, Tang XY*, Chen XL, Gan XH, Yu RC. 2006. Effects of Fe3+ nutrients on the growth of Heterosigma akashiwo. Journal of Agro-Environment Science, 25(3), 653-656. (In Chinese)
55. Li AF, Yu RC*, Li J, Tang XH, Wang YF, Yan T, Zhou MJ. 2006. Protein phosphatase inhibition assay for detection of diarrhetic shellfish poison in Oyster. Chinese Journal of Analytical Chemistry, 34(3), 283-287.
56. Tang XH, Yu RC*, Yan T, Wang YF, Zhou MJ. 2006. Sequence analysis of ribosomal RNA gene of Alexandrium (Dinophyceae) strains isolated from China and the molecular phylogenetic studies. Oceanologia et Limnologia Sinica, 37(6), 529-535. (In Chinese)
57. Yu RC*, Tang XH, Zhang QC, Chen Y, Wang YF, Yan T, Zhou MJ. 2006. Application of fluorescence in situ hybridization (FISH) method to detect “tamarense/catenella species complex” (“Temperate Asian” ribotype) in genus Alexandrium along Chinese coast. Acta Scientiae Circumstantiae, 26(4), 646-651. (In Chinese)
58. Li AF, Yu RC*, Wang YF, Yan T, Zhou MJ. 2005. Morphological and toxicity characteristics of Pseudo-nitzschia pungens strain PP0201-01 isolated from the East China Sea. Chinese Journal of Oceanology and Limnology, 23(4), 418-426.
59. Wang LP，Yan T*，Yu RC，Zhou MJ. 2005. Experimental study on the impact of dinoflagellate Alexandrium species on populations of the rotifer Brachionus plicatilis. Harmful Algae, 4(2), 371-382.
60. Zhang QC, Yu RC*, Zhou MJ, Wang YF, Li J, Yan T. 2005. Effects of differents phosphorus substrates on growth and toxin production of Alexandrium minutum. Oceanologia et Limnologia Sinica, 36(5), 465-474. (In Chinese)
61. Zhang QC, Yu RC*, Zhou MJ, Wang YF, Yan T, Li J. 2005. Effects of four nitrogen substrates on growth and toxin production of Alexandrium minutum (Dinophyceae). Acta Oceanologica Sinica, 27(6), 138-145. (In Chinese)
62. Jiang GJ, Yu RC*, Wang YF, Yan T, Zhou MJ. 2004. Identification of inducible nitric oxide synthase (iNOS) in haemocytes of shrimps Fenneropenaeus chinensis and enzyme activity during its infection by white spot syndrome virus. Oceanologia et Limnologia Sinica, 35(4), 342-350. (In Chinese)
63. Jiang GJ, Yu RC, Wang YF, Yan T, Zhou MJ*. 2004. Studies on the methods of identification and activity assay of inducible nitric oxide synthase in haemocytes of shrimp. Journal of Fishery Sciences of China, 11(3), 177-184. (In Chinese)
64. Jiang GJ*, Yu RC, Zhou MJ. 2004. Modulatory effects of ammonia-N on the immune system of Penaeus japonicus to virulence of white spot syndrome virus. Aquaculture，241, 61-75．
65. Yan T, Tan ZJ, Li J, Yu RC, Wang YF, Zhou MJ. 2004. The toxicity study of Alexandrium tamarense and Heterosigma akashiwo to two crustacean species Neomysis awatschensis and Artemia salina. Acta Oceanologica Sinica, 26(1), 76-81. (In Chinese)
66. Zhou MJ, Yan T, Fu M, Wang YF, Yu RC, Li J. 2004. The effect of Alexandrium tamarense on life activity of bivalves. Acta Oceanologica Sinica, 26(2), 81-86. (In Chinese)
67. Wang YF, Yu RC, Li J, Yan T, Fu M, Zhou MJ. 2003. Advances of researches on application of Paralytic shellfish poisoning toxins. Studia Marina Sinica, 45, 124-131. (In Chinese)
68. Wang YF, Yu RC, Li J, Yan T, Zhou MJ. 2003. Study on paralytic shellfish poisoning toxins: I. the inhibitory effects of paralytic shellfish poisoning toxins from Alexandrium tamarense on Na+ currents at motor nerve terminals and whole cell. Studia Marina Sinica, 45, 132-137. (In Chinese)
69. Wang YF, Yu RC, Li J, Yan T, Zhou MJ. 2003. Study on paralytic shellfish poisoning toxins: II. analysis of purified paralytic shellfish poisoning toxins by liquid chromatography and mass spectrometry. Studia Marina Sinica, 45, 138-152. (In Chinese)
70. Yan T*, Zhou MJ, Fu M, Yu RC, Wang YF, Li J. 2003. Effects of the dinoflagellate Alexandrium tamarense on Argopecten irrandians concentricus. Aquaculture, 217(1-4), 167-178.
71. Yan T*, Zhou MJ, Li J, Yu RC, Tan ZJ, Wang YF. 2003. A Survey for PSP in Vancouver Harbour. Marine Environment Research, 57(1-2), 137-143.
72. Yan T, Zhou MJ, Tan ZJ, LI ZY, Yu RC, Wang LP. 2003. Application of Neomysis awatschensis as a standard marine toxicity test organism in China. Journal of Enviromental Sciences,15(6), 791-795. (In Chinese)
73. Yan T, Zhou MJ，Fu M，Yu RC，Wang YF, Li J, Tan ZJ. 2003. Primary study on toxic effects and mechanism of Heterosigma akashiwo. Oceanologia et Liminogia sinica, 43(1), 50-55. (In Chinese)
74. Tan ZJ, Yan T, Zhou MJ, Li J, Yu RC, Wang YF. 2002. The effects of Alexandrium tamaresne on survival, growth and reporduciton of Neomysis awatschensis. Acta Ecologica Sinica, 22(10), 1635-1639. (In Chinese)
75. Yan T, Fu M, Wang YF, Yu RC, Li J, Zhou MJ. 2002. The effects of the dinoflagellate of Alexandrium tamarense on early development of Chlamys farreri. Acta Scientiae Circumstantiae, 22(2)：241-246. (In Chinese)
76. Yan T, Tan ZJ, Yu RC, Wang LP, Zhou MJ. 2002. Toxic effects of Alexandrium spp. on larvae of perch. Acta Scientiae Circumstantiae, 22(6), 749-753. (In Chinese)
77. Yan T, Zhou MJ, Tan ZJ, Yu RC, Li J, Wang YF. 2002. Study and application of toxicity test method using Neomysis awatschensis in toxicity evaluation of drilling fluid. Marine Science Bulletin, 4(1), 71-75. (In Chinese)
78. Yan T, Fu M, Li J, Yu RC, Zhou MJ. 2001. Accumulation, transformation and depuration of paralytic shellfish poisons in Mytilus edulis. Oceanologia et Liminogia sinica，4, 420-427. (In Chinese)
79. Yan T, Tan ZJ, Li J, Zhang YS, Yu RC, Wang YF, Zhou MJ. 2001. Primary study on toxicity assessment methods of red tide organisms-the application of bioassay methods in toxicity assessment of red tide in Jiaozhou Bay. Marine Environmental Science，3, 5-8. (In Chinese)
80. Yan T*, Zhou MJ, Fu M, Wang YF, Yu RC, Li J. 2001. Inhibition of egg hatching success and larvae survival of the scallop, Chlamys farreri, associated with exposure to cells and cell fragments of the dinoflagellate Alexandrium tamarense. Toxicon, 39(8), 1239-1244.
81. Zhou MJ, Yan T, Li J, Tan ZJ, Yu RC, Wang YF. 2001. Acute toxicity test method using Neomysis awatschensis and its application in toxicity evaluation of drilling fluid. Marine Environmental Science，20(3), 1-4. (In Chinese)
82. Fu M, Yan T，Li J，Yu RC，Zhou MJ. 2000. Effects of Alexandrium tamarense on the development of scallops. Marine Sciences，24(3), 8-11. (In Chinese)
83. Li J, Yu RC, Li ZY, Yan T, Zhou MJ. 2000. Effects of triphenyltin chloride (TPTC) on photosynthesis and growth of Ulva pertusa. Oceanologia et Limnologia Sinica，31(4), 404-407. (In Chinese)
84. Yan T, Li J, Li ZY, Teng WF, Yu RC, Zhou MJ. 2000. Acute and chronic toxicity of triphenyltin to neomysis awatschensis. Oceanologia et Limnologia Sinica，31(4), 485-489. (In Chinese)
85. Yu RC，Song XX, Li J, Wang Q, Lin Q, Zhou MJ. 2000. Analysis of organotin and total tin in sediment with atomic absorption spectrometry. Oceanologia et Limnologia Sinica，31(3), 315-321. (In Chinese)
86. Zhou MJ, Li J, Yu RC, Yan T，Fu M. 1999. Advance in researches on phycotoxins produced by red tide organism. Chinese Journal of Marine Drug, 18(3), 48-54. (In Chinese)
87. Zhou MJ*, Li J, Luckas B, Yu RC, Yan T, Hummert C, Kastrup S. 1999. A recent shellfish toxin investigation in China. Marine Pollution Bulletin, 39(1), 331-334.
88. Yu RC, Hummert C*, Luckas B, Qian PY, Li J, Zhou MJ. 1998. Analysis of PSP toxins in algae and shellfish samples from China using a modified HPLC method. Chromatographia, 48(9/10), 671-677.
89. Yu RC, Zhou MJ. 1998. Advance in research of paralytic shellfish poisoning. Oceanologia et Limnologia Sinica, 29(3), 330-338. (In Chinese)
90. Chen TY, Zheng SP, Yu RC. 1994. Toxic effects of organotin compounds on aquatic invertebrates. Environmental Chemistry, 13(3), 266-268. (In Chinese)
91. Chen TY, Yu RC, Sun HW. 1993. Toxicity of organotin to Rotifers and the QSAR analysis. Ocean Bulletin, 12(6), 35-39. (In Chinese)