Jurnal Biodjati最新文献_第7页

Species Density and Lead (Pb) Pollution in Mangrove Ecosystem, South Kalimantan 南加里曼丹红树林生态系统物种密度与铅污染

Jurnal Biodjati Pub Date : 2020-05-30 DOI: 10.15575/biodjati.v5i1.7411

Anang Kadarsah, Dafiuddin Salim, S. Husain, M. Dinata

{"title":"Species Density and Lead (Pb) Pollution in Mangrove Ecosystem, South Kalimantan","authors":"Anang Kadarsah, Dafiuddin Salim, S. Husain, M. Dinata","doi":"10.15575/biodjati.v5i1.7411","DOIUrl":"https://doi.org/10.15575/biodjati.v5i1.7411","url":null,"abstract":"Its crucial to get information about lead (Pb) heavy metal pollution from mining and oil palm plantation on species density in mangrove ecosystem, to anticipate its impacts. This study aimed is to compare the types and densities of vegetation in mangrove ecosystems allegedly due to mining in Setarap village, Tanah Bumbu Regency and oil palm plantations in Kuala Tambangan Village, Tanah Laut Regency. We also analysis the condition of waters (TDS, pH and DO) and organic content in sediments to acquire data from the South Kalimantan mangrove ecosystems. The results showed there were four species of true mangroves (Avicennia alba, Acanthus ebracteatus, Nypa fruticans and Rhizophora apiculate) could live well in the environment affected by mining or oil palm plantations. The species density for trees was low (933 ind/ha) for mangroves affected by coal mines, while those affected by oil palm plantations had higher densities (1,067 ind/ha). pH value of waters in affected area by coal mining showed more acidic value (pH 5.76) especially at the back, while those by palm oil plantations are more acidic (pH 6) in the estuary. Organic matter content in sediments affected by coal mines was in the range of 0.61-6.59%, while those affected by oil palm plantations showed higher values (0.12-2.19%). Lead heavy metal content (Pb) in waters affected by coal mines was 0.031-0.056 mg/L, while the area affected by oil palm plantations was of higher value (0.110-0.128 mg/L). Lead (Pb) levels in sediments indicate higher values than waters, which reach 3.512-6.046 mg/Kg (affected by coal mines), and in areas affected by oil palm plantations reaching 6.658-6.66 mg/Kg. The general conclusion is that vegetation densities in areas affected by coal mines are lower than oil palm plantations. The level of lead (Pb) pollution in the sediments is higher than in the waters.","PeriodicalId":17683,"journal":{"name":"Jurnal Biodjati","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2020-05-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85181153","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 3

Potential and Challenges on Amphibians and Reptiles Research in West Java 西爪哇两栖和爬行动物研究的潜力和挑战

Jurnal Biodjati Pub Date : 2019-11-29 DOI: 10.15575/biodjati.v4i2.4820

G. Cahyadi, Umilaela Arifin

{"title":"Potential and Challenges on Amphibians and Reptiles Research in West Java","authors":"G. Cahyadi, Umilaela Arifin","doi":"10.15575/biodjati.v4i2.4820","DOIUrl":"https://doi.org/10.15575/biodjati.v4i2.4820","url":null,"abstract":" West Java Province has the largest population amongst others in Java, and therefore land conversion rate in the region is increasing. Approximately 40% of forest areas in West Java has been converted between 1990–2015. As a consequence, the number of biodiversity in the region is decreasing, including amphibians and reptiles. These groups play an important role in the food chain of an ecosystem, and are very sensitive to environmental changes. However, comprehensive research on amphibian and reptile species in West Java is suboptimal. Visual Encounter Survey has performed in seven districts in West Java for one month and has recorded 26 amphibian species and 27 reptile species. These species were including Javan endemic species (for example: Fejervarya iskandari, Huia masonii, Limnonectes microdiscus, Megophrys montana, and Microhyla achatina), introduced species (Calotes versicolor), and species with a new distribution record (Leptophryne borbonica and Kalophrynus minusculus). In addition, cryptic species (Genus Leptophryne and Cyrtodactylus), which are interesting for further studies, were observed. This study has demonstrated that the potential of a comprehensive study of amphibian and reptile species in West Java is great. Apart from this, conserving the biodiversity in the region also challenging due to the high rate in land conversion","PeriodicalId":17683,"journal":{"name":"Jurnal Biodjati","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2019-11-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75377977","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 5

Prevalence and Intensity of Ectoparasites on Clarias gariepinus From Aquaculture Pond in Aceh Besar District, Indonesia 印度尼西亚亚齐贝萨尔地区水产养殖池加里宾Clarias gariepinus体外寄生虫流行及强度调查

Jurnal Biodjati Pub Date : 2019-05-28 DOI: 10.15575/BIODJATI.V4I1.4328

Fitria Nelda Fautama, I. Zulfahmi, M. Muliari, A. Anas

{"title":"Prevalence and Intensity of Ectoparasites on Clarias gariepinus From Aquaculture Pond in Aceh Besar District, Indonesia","authors":"Fitria Nelda Fautama, I. Zulfahmi, M. Muliari, A. Anas","doi":"10.15575/BIODJATI.V4I1.4328","DOIUrl":"https://doi.org/10.15575/BIODJATI.V4I1.4328","url":null,"abstract":"Information related to the prevalence and intensity of para-sites in an aquatic environment is crucial as preventive and responsive efforts to manage aquatic resources, especially for fish farming pur-poses. Up to now, information related to the prevalence and intensity of ectoparasites on catfish from aquaculture ponds in Aceh Besar Dis-trict is rare. This study aims to investigate the prevalence, intensity, and dominance of ectoparasites on catfish from aquaculture ponds in Aceh Besar district. The total of 200 catfish from four research stations at Sibreh, Kareung, Lambaro, and Limpok was observed in this study. The ectoparasites observation was focused on the skin, fins, and gill of the catfish. The observation parameter consists of prevalence, in-tensity, domination, length-weight relationship, and condition factor. Identification result showed that there were four types of ectoparasites infect the catfish in the aquaculture ponds in Aceh Besar District i.e Trichodina sp., Gyrodactylus sp., Dactylogyrus sp. and Ichthyopthyri-us multifiliis. Station 3 (Lambaro) had the highest prevalence and in-tensity, which were 64% and 5.87 ectoparasites/fish, respectively. In-fected catfish tended to have a lower weight growth than healthy catfish.","PeriodicalId":17683,"journal":{"name":"Jurnal Biodjati","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2019-05-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91381485","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 5

Effect of Water Temperature to Survival and Development of Larvae of Two Local Aedes Aegypti Strains 水温对当地两种埃及伊蚊幼虫生存发育的影响

Jurnal Biodjati Pub Date : 2019-05-28 DOI: 10.15575/BIODJATI.V4I1.3843

R. E. Putra, Gunadi Trinuroni

{"title":"Effect of Water Temperature to Survival and Development of Larvae of Two Local Aedes Aegypti Strains","authors":"R. E. Putra, Gunadi Trinuroni","doi":"10.15575/BIODJATI.V4I1.3843","DOIUrl":"https://doi.org/10.15575/BIODJATI.V4I1.3843","url":null,"abstract":" Global warming has been reported in last decades. Chang-es in average Earth’s temperature may affect the physiology of many insect species, especially the ones which act as a human disease vec-tor, like Aedes aegypti. In this study, the effect of increasing water temperature on physiological components related to development period, sex ratio, and body size of two distinctively strains, VCRU (Vector Control Research Unit) and Pangandaran. Thirty larvae of each strain kept inside distilled water with the temperature of 25°C, 27°C, 30°C, 33°C, 35°C, 40°C which replicated three times. Observa-tions were conducted until all larvae metamorphed into adults or all larvae dead. Development rate and time were analyzed by frequency dependent mean. The result showed that the optimum temperature for larvae development of VCRU strain was 27-30°C with a survival rate of 84% while it was 30°C for Pangandaran strain, with the surviv-al rate of 83%. Larvae of both strains showed 100% mortality rate when kept inside a container with water temperature exceed 33°C. Both strains showed the highest and the lowest male:female ratio at similar water temperature which were 33°C and 30°C, respec-tivelly. Highest and lowest ratio of VCRU was 1.25 and 0.6, respec-tively, while it was 1.4 and 0.6 for Pangandaran. In general, larvae lived in increasing water temperature showed reducing wing width. ","PeriodicalId":17683,"journal":{"name":"Jurnal Biodjati","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2019-05-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81338223","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Isolation and Detection of Bacteriocin-Like Inhibitory Substances-Producing Bacteria from Fermented Mare’s Milk Sumbawa 产菌素样抑制物质产菌的分离与检测

Jurnal Biodjati Pub Date : 2019-05-28 DOI: 10.15575/BIODJATI.V4I1.4194

A. I. Mulyawati, T. Ardyati, Y. Jatmiko

{"title":"Isolation and Detection of Bacteriocin-Like Inhibitory Substances-Producing Bacteria from Fermented Mare’s Milk Sumbawa","authors":"A. I. Mulyawati, T. Ardyati, Y. Jatmiko","doi":"10.15575/BIODJATI.V4I1.4194","DOIUrl":"https://doi.org/10.15575/BIODJATI.V4I1.4194","url":null,"abstract":" Bacteriocin-like inhibitory substances (BLIS) produced by bacteria is a promising future food preservative agent. This study aimed to obtain bacterial strains that can produce broad-spectrum antibacterial agents and identify the best BLIS producer species based on 16S rDNA sequences. The bacterial strains were isolated from fer-mented mare’s milk using MRS and M17 agar medium. The isolates then were initially screened based on its antibacterial activity of crude cells against Staphylococcus aureus ATCC 6538. The selected strains were cultured and harvested for its cell-free supernatant (CFS). The pH of CFS was adjusted to 6.5 then used for antibacterial activity as-says against ten pathogenic bacteria. Also, the proteinaceous nature of BLIS compound was confirmed by testing with proteinase K. The gDNA of selected isolates was extracted and the 16S rDNA was am-plified using the polymerase chain reaction method then sequenced. The 16S rDNA sequences of the selected strains were used to identify the species using BLAST nucleotides from NCBI then the phylogenetic trees were constructed. 32 isolates was obtained, but only three iso-lates (BC9, SB7, and DC12) were selected as a result of antibacterial screening for further assays. The neutralized-CFS (N-CFS) of these isolates exhibited broad-spectrum antibacterial activity. The N-CFS could be assumed as BLIS. The isolate of BC9 was identified as Ba-cillus amyloliquefaciens strain BC9 that has 99.99 % similarity with B. amyloliquefaciens KC-1, SB7 was Lactobacillus plantarum strain SB7 that has 99.99 % similarity with Lb. plantarum JMC 1149T, and DC12 was Lactobacillus rhamnosus strain DC12 that has 100 % sim-ilarity with Lb. rhamnosus DSM 20021T. Thus, the BLIS produced by those strains is potential for future food and beverages preservations. ","PeriodicalId":17683,"journal":{"name":"Jurnal Biodjati","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2019-05-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89833618","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 1

Isolation and Identification of Hydrocarbon-Degrading Bacteria that Tolerant to Saponin of Sapindus Rarak Plant 皂角植物耐皂苷烃降解菌的分离与鉴定

Jurnal Biodjati Pub Date : 2019-05-28 DOI: 10.15575/BIODJATI.V4I1.4392

E. Octaviany, S. Suharjono, I. Mustafa

{"title":"Isolation and Identification of Hydrocarbon-Degrading Bacteria that Tolerant to Saponin of Sapindus Rarak Plant","authors":"E. Octaviany, S. Suharjono, I. Mustafa","doi":"10.15575/BIODJATI.V4I1.4392","DOIUrl":"https://doi.org/10.15575/BIODJATI.V4I1.4392","url":null,"abstract":"A commercial saponin as biosurfactant can reduce the surface tension of water and increase of hydrocarbon degradation. However, this saponin can be toxic to some hydrocarbonoclastic bac-teria. This study aimed to obtain bacterial isolates that were tolerant and incapable to degrade saponin, and to identify them based on 16S rDNA sequence. Bacteria were isolated from petroleum contaminated soil in Wonocolo Village, Bojonegoro Regency, East Java, Indonesia. The soil samples were acclimated using Bushnell-Haas (BH) broth with 0.5% crude oil at room temperature for 3 weeks. The culture was spread onto BH agar incubated at 30°C for 7 days. The first screened, isolates were grown in nutrient broth with addition of sap-onin 0%, 8%, and 12% (v/v) then incubated at 30°C for three days. The bacterial cell density was measured using a spectrophotometer. Second screened, the isolates were grown on BH broth with addition of 0.5% saponin as a sole carbon source, and their cell densities were measured. The selected isolates were identified based on 16S rDNA sequences. Among 34 bacterial isolates, nine isolates were tol-erant to 12% saponin. Three bacterial isolates IHT1.3, IHT1.5, and IHT3.24 tolerant to high concentration of saponin and did not use this substance as growth nutrition. The IHT1.3, IHT1.5, and IHT3.24 isolates were identified as Ochrobactrum pseudogrignonense (99% similarity), Pseudomonas mendocina (99%), and Ochrobactrum pi-tuitosum; (97%), respectively. Those three selected isolates are good candidates as hydrocarbon-degrading bacteria to bioremediation of soil contaminated crude oil. However, the combined activity of bacteria and saponin to degrade hydrocarbon needs further study. ","PeriodicalId":17683,"journal":{"name":"Jurnal Biodjati","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2019-05-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87205040","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 2

Phytochemical Screening and Antibacterial Activity of Acorus calamus L. Extracts 菖蒲提取物的植物化学筛选及抗菌活性研究

Jurnal Biodjati Pub Date : 2019-05-28 DOI: 10.15575/BIODJATI.V4I1.4235

B. Muchtaromah, A. Hayati, E. Agustina

{"title":"Phytochemical Screening and Antibacterial Activity of Acorus calamus L. Extracts","authors":"B. Muchtaromah, A. Hayati, E. Agustina","doi":"10.15575/BIODJATI.V4I1.4235","DOIUrl":"https://doi.org/10.15575/BIODJATI.V4I1.4235","url":null,"abstract":" Staphylococcus aureus and Escherichia coli are among the most common species of gram-positive and gram-negative bacteria, which cause vaginitis, in infertile women. The Calamus rhizome (Acorus calamus L.) is an Indonesian plant that has antibacterial properties that can be used to treat vaginitis and increase fertility. The aim of this study was to determine the phytochemical and antibacterial activity of the calamus rhizoma in polar, semi-polar and non-polar solvents in the growth of S. aureus and E. coli. The antibacterial activity test was in the form of inhibitory test using the Kirby-Bauer, Minimum Inhibi-tion Concentration (MIC) and Minimum Bactericidal Concentration (MBC) by microdilution method with multilevel dilution (concentra-tions 50; 25; 12.5; 6.25; 3.13; 1.56; 0.78; and 0.39%). The screening results showed that ethanol and n-hexane extract contained alkaloids and triterpenoids, while chloroform extract was only triterpenoid. Chloroform extract produced the largest inhibition zone diameter of S. aureus and E. coli (7.26 and 3.28 mm), followed by ethanol extract (5.90 and 3.07 mm) and n-hexane extract (5.33 and 2.95 mm). The concentrations of 0.39 and 0.78% were the values of MIC and MBC for all three extracts, indicating that the extract of the calamus rhizome with several solvents in this study had the same antibacterial activity. ","PeriodicalId":17683,"journal":{"name":"Jurnal Biodjati","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2019-05-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87573432","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 3

Vegetation Analysis of the Secondary Forest Area of Mount Merapi National Park 默拉皮山国家公园次生林区域植被分析

Jurnal Biodjati Pub Date : 2019-05-28 DOI: 10.15575/BIODJATI.V4I1.4239

H. Haryadi, S. Sunarto, S. Sugiyarto

引用次数: 3

The Fish Fauna in Lakitan River, Musi Rawas Regency, South Sumatra 南苏门答腊岛Musi Rawas摄政拉基坦河的鱼类区系

Jurnal Biodjati Pub Date : 2019-05-28 DOI: 10.15575/BIODJATI.V4I1.4097

Dian Samitra, Zico Fakhrur Rozi

{"title":"The Fish Fauna in Lakitan River, Musi Rawas Regency, South Sumatra","authors":"Dian Samitra, Zico Fakhrur Rozi","doi":"10.15575/BIODJATI.V4I1.4097","DOIUrl":"https://doi.org/10.15575/BIODJATI.V4I1.4097","url":null,"abstract":" Fish diversity in the Lakitan River is not well recorded, even though the data is important to add information about the diversity of freshwater fish in Indonesia. This study aims to study fish composition and ecological index in the Lakitan River. The study was conducted in the Lakitan River, Musi Rawas Regency, South Sumatra Province. The method used was the survey method. The direct sampling was done at 5 stations, the numbering of stations followed the direction of the river from upstream to downstream. The data at each station are tabulated based on species, family and order. Data analysis in-cludes a diversity index, evenness index, dominance index, and sim-ilarity index. The fish caught during the study were 418 individuals, which were identified into 20 species and 11 families. Barbonymus gonionotus is the most captured species in the Lakitan River. Cypri-nidae is the most captured family (9 species). The highest diversity index was found at station 5, with the number of fish collected was 16 species. The evenness index at 5 stations showed the equivalent species distribution and stable communities. The domination index at 5 stations were at, low category. The similarity index between sta-tions in Lakitan River which ranging from 0.65 – 0.97. These results indicate that fish diversity in the Lakitan River medium biodiversity. ","PeriodicalId":17683,"journal":{"name":"Jurnal Biodjati","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2019-05-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79719176","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 5

Isolation and Characterization of Indole-3-Acetic Acid Producing Bacteria from Cow Urine 牛尿中吲哚-3-乙酸产菌的分离与鉴定

Jurnal Biodjati Pub Date : 2019-05-28 DOI: 10.15575/BIODJATI.V4I1.4481

N. R. Mubarik, Iah Novi Maslahah

{"title":"Isolation and Characterization of Indole-3-Acetic Acid Producing Bacteria from Cow Urine","authors":"N. R. Mubarik, Iah Novi Maslahah","doi":"10.15575/BIODJATI.V4I1.4481","DOIUrl":"https://doi.org/10.15575/BIODJATI.V4I1.4481","url":null,"abstract":" Cow urine contains urea as nitrogen source, therefore it can be expected to isolate the beneficial bacteria for plants, for example indole-3-acetic acid (IAA) or auxin producing bacteria. The objective of research was to obtain IAA producing bacteria from cow urine, to characterize bacterial isolate, and to measure its ability to stimulate the growth of green bean seedlings (Vigna radiata). The methods used in this study were collecting urine from cow cattle, obtaining IAA-pro-ducing bacteria from urine, measuring IAA using Salkowski method, and applying selected bacterial supernatants on green bean seedling plants. The number of IAA producing bacteria that was successfully purified was 18 isolates. There are five isolates, namely US 5, BS1, BS 2, BS 4 and BS 5 which have the ability to solubelize phosphate on Pikovskaya agar. The five isolates were also able to fix free nitro-gen on N Free media and did not show hypersensitivity on tobacco leaves. The results of the growth of isolates in blood agar showed positive for US 5 and BS 2 as beta hemolysin producers. Further-more, isolate BS 4 was chosen to produce exogenous IAA quantita-tively. Isolate BS 4 produced IAA 6.364 ppm at the 45 h incubation at stationary phase. The use of BS 4 supernatant on green bean seed-lings showed an effect on plant height and lateral root length better than control (without treatment) on 6 days after planting. Morpho-logical characteristic of isolate BS 4 was rod shape, Gram positive, endospore producing, aerobic, and had similarity with genus Bacillus","PeriodicalId":17683,"journal":{"name":"Jurnal Biodjati","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2019-05-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88048034","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 2