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| 1 | Potential release of hydrogen fluoride from domestic coal in endemic fluorosis area in Guizhou,China显示文摘Almost half of the total rural area of Guizhou Province and many regions within the 11 adjacent provinces in southwestern China have a long history(at least 70 years) of endemic fluorosis,including dental fluorosis and osteofluorosis along with its associated deformities and disabilities.Over decades of research,this specific type of endemic fluorosis has been defined as coal-burning fluorosis,which is distinct from drinking-water fluorosis.It is generally acknowledged that indoor burning and combustion of high-fluorine coal leads to food contamination,and fluorine then enters the human body.However,the exact chemical form of fluorine during its release and transfer to the body is still unknown.In the present study,21 domestic coal samples from outcrop and semi-outcrop coal collected in five villages with fluorosis were analyzed by time-of-flight secondary ion mass spectrometry(TOF-SIMS).The total mass fraction of sulfur in the samples ranged from 0.24%-5.58% and total fluorine content ranged 90.2-149.2 mg/kg.H3O+,H2SO4+ and HSO4-were detected in the samples by TOF-SIMS,which indicated that sulfuric acid hydrate(H2SO4.H2O) was present in the samples.F-was detected in all of these,which suggested the samples contain ionic fluorine compounds.Under certain circumstances,such as heating or burning,the prevalence and coexistence of the acid(H2SO4.H2O) and base(F-) would lead to a neutralization reaction producing volatile hydrogen fluoride(HF,bp = 19.5℃).This would be the chemical form of fluorine released from the coal.Further studies using HF and SO2 test tubes on headspace gas over coal samples heated to 200℃ in the laboratory and on headspace gas over stoves or chimney tops at rural residences confirmed the release of HF. | LIANG HanDong LIANG YanCi GARDELLA Joseph A. Jr HE Ping YATZOR Brett p | 2011 | Chinese Science Bulletin2011，56，22： | 12 |
| 2 | Study on incisional implantation of tumor cells by carbon dioxide pneumoperitoneum in gastric cancer of a murine model显示文摘 | Wang H Zheng MH Zhang HB Zhu J He JR Lu AG Ji YB Zhang MJ Jiang Y Yu BM Li HW | 1999 | World Journal of Gastroenterology1999，5，6： | 2 |
| 3 | Bioabsorbable anterior cer- vical plating: initial multicenter clinical and radiographic experience 显示文摘 | Aryan HE Lu DC Acosta Jr FL | 2007 | Spine2007，32，10： | 1 |
| 4 | Analysis of aging and degeneration of the human intervertebral disc-Comparison of surgical specimens with normal controls显示文摘 | Gruber HE Hanley EN Jr | 1998 | Spine1998，23，7： | 1 |
| 5 | Surgical intervention in histoplasmosis显示文摘 | Garrett HE Jr Roper CL | 1986 | Ann Thorae Surg1986，42，6： | 1 |
| 6 | Human intervertebral disc cells from the annulus:three-dimensional culture in agarose or alginate and responsiveness to TGF-betel显示文摘 | Gruber HE Fisher EC Jr Desai B | 1997 | Exp Cell Res1997，235，1： | 1 |
| 7 | Selective osteal salpingography and transvaginal catheter dilatation in the diagnosis and treatment of fallopian tube obstruction显示文摘 | Lang EK Dunaway HE Jr Roniger WE | 1990 | AJR1990，154，4： | 1 |
| 8 | Valacyclovir pharmacokinetics and exploratory pharmaeodynamics in young adults with Epstein-Barr virus infectious mononucleosis 显示文摘 | Vezina HE Balfour HH Jr Weller DR | 2010 | J Clin Pharmacol2010，50，7： | 1 |
| 9 | Recent advances in disc cell biology显示文摘 | Gmber HE Hanley EN Jr | 2003 | Spine2003，28，： | 1 |
| 10 | Effect of interposed periosteum in an animal physeal fracture model显示文摘 | Phieffer LS Meyer RA Jr Gruber HE | 2000 | Clin Orthop Relat Res2000，，376： | 1 |
| 11 | Evidence of perineural inva- sion on prostate biopsy specimen and survival after radical prostatecto- my显示文摘 | DeLancey JO Wood DP Jr He C | 2013 | Urology2013，81，2： | 1 |
| 12 | Human intervertehral disc ceils from the annulus:three-dimensional culture in agarose or alginate and re- sponsiveness to TGF-13t 显示文摘 | Gruber HE Fisher EC Jr Desai B | 1997 | Exp Cell Res1997，，： | 1 |
| 13 | Ultra structure of the human intervertebral disc during aging and degeneration:Comparison of surgical and contr-ol specimens显示文摘 | Gruber HE Hanley EN Jr | 2002 | Spine2002，27，： | 1 |
| 14 | Salpingographic demonstration Of 'cobblestone' mucosa of the distal tubes is indicative of irreversible mucosal damage 显示文摘 | Lang EK Dunaway HE Jr | 2001 | Fertil Steril2001，76，： | 1 |
| 15 | Analysis of improvement in individual rheumatoid arthritis patients treated with disease-modifying antirheumatic drugs, based on findings in patients treated with placebo 显示文摘 | Paulus HE Egger MJ Ward JR | 1990 | Arthritis Rheum1990，33，4： | 1 |
| 16 | Masking by ipsilateral and contralateral maskers显示文摘 | Mills JH Dubno JR He NJ | 1996 | J Acoust Soc Am1996，100，： | 1 |
| 17 | Breast carcinoma etiology显示文摘 | Pathak DR Osuch JR He J | 2000 | Cancer2000，1885，： | 1 |
| 18 | Subsampledopen-reference clustering creates consistent, comprehensive OTUdefinitions and scales to billions of sequences 显示文摘 | Rideout JR He Y Navas-Molina JA | 2014 | PeerJ2014，2，： | 1 |
| 19 | Asso- ciation of p60c-src with encfosomal membranes in mammali- an fibroblasts 显示文摘 | KAPLAN KB SWEDLOW JR VARMUS HE | 1992 | J Cell Biol1992，118，2： | 1 |
| 20 | Insulin action on glucose transport and plasma membrane GluT4 content in skeletal muscle from patients with NIDDM 显示文摘 | Zierath JR He L Guma A | 1996 | Diabetologia1996，39，10： | 1 |
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