The importance of determining the radon exhalation rate from water surface is emphasized by the increased use of radon and its daughter products as tracers in large-scale circulation studies of the atmosphere. There were many methods to measure radon exhalation from water surface. With the development of radon exhalation rate measurement methods and instruments on the surface of the soil, the rock and building materials, so the radon exhalation rate from water surface can be more accurately measured by applying these improved methods and instruments. In this paper, a cuboid accumulation chamber surrounded by foam boards and a RAD7 were used to measure the radon exhalation rate on the water surface at three different positions by Yixin lake. Each measurement was performed 2 h. The radon exhalation rate from the water surface was about 6 × 10-3 Bq m-2s-1. The thoron exhalation rate from the water surface also can be estimated, it is about 0.16 Bq m-2s-1. These results hint that the radon transmission from the lake bottom soil to water and then into the atmosphere.
Monopile foundations of offshore wind turbines embedded in soft clay are subjected to the long-term cyclic lateral loads induced by winds, currents, and waves, the vibration of monopile leads to the accumulation of pore pressure and cyclic strains in the soil in its vicinity, which poses a threat to the safety operation of monopile. The researchers mainly focused on the hysteretic stress-strain relationship of soft clay and kinds of stiffness degradation models have been adopted, which may consume considerable computing resources and is not applicable for the long-term bearing performance analysis of monopile. In this study, a modified cyclic stiffness degradation model considering the effect of plastic strain and pore pressure change has been proposed and validated by comparing with the triaxial test results. Subsequently, the effects of cyclic load ratio, pile aspect ratio, number of load cycles, and length to embedded depth ratio on the accumulated rotation angle and pore pressure are presented. The results indicate the number of load cycles can significantly affect the accumulated rotation angle of monopile, whereas the accumulated pore pressure distribution along the pile merely changes with pile diameter, embedded length, and the number of load cycles, the stiffness of monopile can be significantly weakened by decreasing the embedded depth ratio L/H of monopile. The stiffness degradation of soil is more significant in the passive earth pressure zone, in which soil liquefaction is likely to occur. Furthermore, the suitability of the "accumulated rotation angle" and "accumulated pore pressure" design criteria for determining the required cyclic load ratio are discussed.
Eun Chan Jeong;Kun Jun Han;Farhad Ahmadi;Yan Fen Li;Li Li Wang;Young Sang Yu;Jong Geun Kim
Animal Bioscience
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v.37
no.7
/
pp.1196-1203
/
2024
Objective: A study was conducted to quantify the performance differences of the near-infrared spectroscopy (NIRS) calibration models developed with different degrees of hay sample preparations. Methods: A total of 227 imported alfalfa (Medicago sativa L.) and another 360 imported timothy (Phleum pratense L.) hay samples were used to develop calibration models for nutrient value parameters such as moisture, neutral detergent fiber, acid detergent fiber, crude protein, and in vitro dry matter digestibility. Spectral data of hay samples prepared by milling into 1-mm particle size or unground were separately regressed against the wet chemistry results of the abovementioned parameters. Results: The performance of the developed NIRS calibration models was evaluated based on R2, standard error, and ratio percentage deviation (RPD). The models developed with ground hay were more robust and accurate than those with unground hay based on calibration model performance indexes such as R2 (coefficient of determination), standard error, and RPD. Although the R2 of calibration models was mainly greater than 0.90 across the feed value indexes, the R2 of cross-validations was much lower. The R2 of cross-validation varies depending on feed value indexes, which ranged from 0.61 to 0.81 in alfalfa, and from 0.62 to 0.95 in timothy. Estimation of feed values in imported hay can be achievable by the calibrated NIRS. However, the NIRS calibration models must be improved by including a broader range of imported hay samples in the modeling. Conclusion: Although the analysis accuracy of NIRS was substantially higher when calibration models were developed with ground samples, less sample preparation will be more advantageous for achieving rapid delivery of hay sample analysis results. Therefore, further research warrants investigating the level of sample preparations compromising analysis accuracy by NIRS.
Luftfrachtersatzverkehr ist der Transport von Luftfrachtgut von Flughafen zu Flughafen unter einem Luftfrachtbrief im $Oberfl{\ddot{a}}chentransport$ urn die erste und/oder letzte Teilstrecke einer als Gesamtstrecke vereinbarten $Luftfrachtbef{\ddot{o}}rderung$. These Strecken $f{\ddot{u}}hren$ von nationalen oder intemationalen $Flugh{\tilde{a}}fen$ zurn Zentralflughafen ($_"Hub"$) der Luftverkehrsgesellschaft bzw. in urngekehrter Richtung vom Zentralflughafen hin zu den einzelnen nationalen oder intemationalen $Flugh{\ddot{a}}fen$. Die Vorteile des Luftfrachtersatzverkehrs sind offenkundig, daher auch sein $st{\ddot{a}}ndiges$ Anwachsen. Allerdings bestand bei den Luftverkehrsgesellschaften jahrelang eine $gro{\ss}e$ Unsicherheit, wie dieser Luftverkehr, der eben nicht in der Luft $durchgef{\ddot{u}}hrt$ wird, rechtlich zu qualifizieren sei. Stellte die $Bef{\ddot{o}}rderung$ von $Luftfrachtg{\ddot{u}}tem$ auf der $Stra{\ss}e$ einen Bruch des $Luftbef{\ddot{o}}rderungsvertrages$ dar, so wie im Schadensfall die $Gesch{\ddot{a}digten$, Absender oder $Empf{\ddot{a}}nger$ des betreffenden Gutes, der Luftverkehrgesllschft auf Art. 18 Abs. 3 oder Art. 31 Warschauer Abkommen(WA) berufen? Folge dieser Unsicherheit war, $da{\ss}$${\ddot{u}}ber$ lange Jahre hinweg die Luftverkehrsgesellschaften sich scheuten, diese Frage einer gerichtlichen $Kl{\ddot{a}}rung$$zuzuf{\ddot{u}}hren$, Eher war man geneigt, sich mit dem Anspruchsgegner $au{\ss}ergerichtlich$ zu vergleichen, selbst wenn dies bedeutete, $da{\ss}$ man sich nicht auf die $Haftungsbeschr{\ddot{a}}nkungen$ des Art. 22 WA berufen konnte, als ein Urteil zu erstreiten, welcher $m{\ddot{o}}glicherweise$ der Praxis der $Luftfrachtersatzbef{\ddot{o}}rderung$ einen - rechtlichen - Riegel vorgeschoben $h{\ddot{a}}tte$. Diese Unsicherheit ist jedoch durch die Entscheidung die erste und wohl auch bislang einzige $h{\ddot{o}}chstrichterliche$ Entscheidung zur $Luftfrachtersatzbef{\ddot{o}}rderung$ nicht nur in Deutschland, sondem soger in Europa. Die Luftverkehrsgesellschaften $k{\ddot{o}}nnen$ mit dieser Entscheidung gut leben. Bei emer $vertragsgem{\ddot{a}}{\ss}en$$Luftfrachtersatzbef{\ddot{o}}rderung$ haftet der $Luftfrachtf{\ddot{u}}hrer$$f{\ddot{u}}r$$Sch{\ddot{a}}den$$anl{\ddot{a}}{\ss}lich$ der mit dem Luftfahrzeug $ausgef{\ddot{u}}hrten$ Teilstrecke nach den Vorsschriften des Warschauer Abkommens und $f{\ddot{u}}r$$Sch{\ddot{a}}den$$anl{\ddot{a}}{\ss}lich$ der mit einem $Oberfl{\ddot{a}}chenbef{\ddot{o}}rderungsmittel$$ausgef{\ddot{u}}hrten$ Teilstrecke nach den Vorschriften, welche $f{\ddot{u}}r$ das $tats{\ddot{a}}chlich$ eingesetzte ransportmittel $einschl{\ddot{a}}gig$ sind. Bei unbekanntem Schadensort haftet der $Luftfrachtf{\ddot{u}}hrer$ nach dem jeweils $sch{\ddot{a}}rfsten$ der in Betracht kommenden Rechte. Bei emer vertragwidrigen $Luftfrachtersatzbef{\ddot{o}}rderung$ haftet der $Luftfrachtf{\ddot{u}}hrer$ nach dem Recht des vereinbarten $Bef{\ddot{o}}rderungsmittels$, da sich auf dieses Recht der Vertragspartner des $Luftfrrachtf{\ddot{u}}hrers$ eingerichtet hatte. Der $Luftfrachtf{\ddot{u}}frer$ haftet aber auch nach dem Recht des $tats{\ddot{a}}chlich$ eingesetzten $Bef{\ddot{o}}rderungsmittels$, da er sich in dessen Haftungsordnung durch die einseitige Wahl des $Bef{\ddot{o}}rderungsmittels$ selbst hineingestellt hat. Bei unbekanntem Schadensort haftet der $Luftfrachtf{\ddot{u}}hrer$ nach dem jeweils $sch{\ddot{a}}rfsten$ der in Betracht kommenden Rechte.
Objective : The following study was undertaken in order to seek the acupuncture operation method of ${\ll}$Sang Han Lun(傷寒論)${\gg}$ Liu-Jing-Bian-Zheng(六經辨證). Methods : Based on the documents quoted in ${\ll}$Sang Hang Za Bing Lun Xu Wen(傷寒雜病論)${\gg}$ of "Zhang, Zhong-Jing(張仲景)", the relativity of the theory of Jing-Mai(經脈) and Liu-Jing-Bian-Zheng of convalescence, and from the Liu-Jing-Bing(六經病), the origin and implication that caused Tai-Yang-Bing(太陽病) to form was studied on the basis of acupuncture medicine publications and the commentary writing of ${\ll}$Sang Han Lun${\gg}$. Results : 1) ${\ll}$Sang Ham Lun${\gg}$ Liu-Jing-Bian-Zheng has succeeded and was developed based on Liu-Jing-Fen-Zheng(六經分證) of ${\ll}$Su Wen Re Lun(素問 熱論)${\gg}$. In addition the summary of Liu-Jing-Bing became the general principle of Fen-Jing(分經) and Ding-Zheng(定證) that may be applicable to Fenghan(風寒), Wenre(溫熱), Lili(疫疾) and Zabing(雜病). 2) Most commentators of ${\ll}$Sang Han Lun${\gg}$ in the Song, Ming and Ching Dynasties of ${\ll}$Sang Han Lun${\gg}$ interpreted the Tai-Yang-Bing in physiological and pathological aspects of Rong-Wei(榮衛) as the disease of the bladder meridian that oversees the skin of the human body. 3) From the Liu-Jing-Bing of ${\ll}$Sang Han Lun)${\gg}$, the region of acupuncture treatment of Tai-Yang-Bing is treated with the needle from the point of view of Bing-Zheng-Lun-Zhi(辨證論治) with the basis of the important region of acupuncture of the small intestine meridian bladder meridian and governor vessel.
This study looks at the various alternative therapy methods used in day to day life by elderly, over 60 years of age. The elderly have come to know and practice these methods for the following reasons it is good for the health ; it is the method used in the of fen days when there wesn't modern medicine ; it has been passed down from generations ; it can be done at home without having the need to go to the hospital ; acupuncture or poulticing can be used ; it can be done at home, which was an important factor in rural areas where hospitals are few and far between ; and 〔herbal〕 medicine could be prepared at home at no cost ; it derives from experience ; it is impossible to ignore tradition passed down through the generations. Diet control and plants (herbs) are methods most often used. as they are easy to find and can be readily used in critical situations. Other methods include oriental medicine practices of moxibustion with moxa cone, negative therapy, hand and finger acupunture, finger press method. ordinary acupunture, manual healing methods of massage. diaphoretic therapy and meditation to reach a state of calm, and qigong dirigation. The reasons for its use are as follows ; it has been used before ; it is effective ; there is some improvement after the treatment ; it is not harmful to the body ; medicine cannot be obtained and it is the only thing available ; it is not good for an old person to go to the hospital everyday. the symptoms are not serious enough to go to a hospital : and acupuncture is for these things. The means that the elderly have come to practice these methods are : it has been used since the past ; it has been told by the elders ; they have been told by friends ; it was part of their knowledge ; and they have come to know by watching their mother. Further, to regain vitality lost through old age, the elderly have relied on hot soup. a hearty meal. brewed honey water, pumpkin, or ginseng. Humans, by instinct. would rub or massage the areas that caused pain. These actions, combined with a breathing technique have been recognized in Tong-Eui-Bo-Gam(the essential of eastern medicine), the complete work of early modern medicine, are a useful means to revive chi(기). This knowledge is thought to have greatly affected our heathy lifestyle. Furthermore, though the demand for medical services would increase with age, the elderly have not always been able to tend to their needs at the hospital for reasons economic or other. Hence, these alternative therapy methods seem to have been practiced as a temporary means of relief. The excellence of our traditional therapeutic custom has not received full recognition due to the argument relating to its scientific merits. As a result, it has become vital to prove their effectiveness through scientific and other experimental means. The potency of moxibustion with moxa cone and hand and finger acupunture have been proven scientifically. but diet and herbal methods appear to be practiced as a result of customs passed down from generations. In addition, it is submitted that the effectiveness of the traditional methods of disease control and our heathy lifestyle that are easily found in the nursing field must be verified.
Background: Published data regarding associations between the -765G>C polymorphism in cyclooxygenase-2 (COX-2) gene and digestive system cancer risk have been inconclusive. The aim of this study was to comprehensively evaluate the genetic risk of the -765G>C polymorphism in the COX-2 gene for digestive system cancer. Materials and Methods: A search was performed in Pubmed, Medline (Ovid), Embase, CNKI, Weipu, Wanfang and CBM databases, covering all studies until Feb 10, 2014. Statistical analysis was performed using Revman5.2. Results: A total of 10,814 cases and 16,174 controls in 38 case-control studies were included in this meta-analysis. The results indicated that C allele carriers (GC+CC) had a 20% increased risk of digestive system cancer when compared with the homozygote GG (odds ratio (OR)=1.20, 95% confidence interval (CI), 1.00-1.44 for GC+CC vs GG). In the subgroup analysis by ethnicity, significant elevated risks were associated with C allele carriers (GC+CC) in Asians (OR = 1.46, 95% CI=1.07-2.01, and p=0.02) and Africans (OR=2.12, 95% CI=1.57-2.87, and p< 0.00001), but not among Caucasians, Americans and mixed groups. For subgroup analysis by cancer type (GC+CC vs GG), significant associations were found between the -765G>C polymorphism and higher risk for gastric cancer (OR=1.64, 95% CI=1.03-2.61, and p=0.04), but not for colorectal cancer, oral cancer, esophageal cancer, and others. Regarding study design (GC+CC vs GG), no significant associations were found in then population-based case-control (PCC), hospital-based case-control (HCC) and family-based case-control (FCC) studies. Conclusions: This meta-analysis suggested that the -765G>C polymorphism of the COX-2 gene is a potential risk factor for digestive system cancer in Asians and Africans and gastric cancer overall.
Lee, Wei Ching;Yusof, Mastura Md.;Lau, Fen Nee;Ee Phua, Vincent Chee
Asian Pacific Journal of Cancer Prevention
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v.14
no.6
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pp.3941-3944
/
2013
Background: The use of preoperative chemoirradiation is the commonest treatment strategy employed in Malaysia for locally advanced rectal cancer. We need to determine the local control and survival rates for comparison with established rates in the literature. Materials and Methods: This retrospective study analyzed all newly diagnosed patients with rectal adenocarcinoma who underwent long course preoperative radiotherapy (RT) at the Department of Radiotherapy and Oncology, Kuala Lumpur Hospital (HKL) between $1^{st}$ January 2004 and $31^{st}$ December 2010. The aim of the study was to determine the radiological response post radiotherapy, pathological response including circumferential resection margin (CRM) status, 3 years local control, 3 years overall survival (OS) and 3 years disease free survival (DFS). Statistical analysis was performed using the SPSS software. Kaplan-Meier and log rank analysis were used to determine survival outcomes. Results: A total of 507 patients with rectal cancer underwent RT at HKL. Sixty seven who underwent long course preoperative RT were eligible for this study. The median age at diagnosis was 60 years old with a range of 26-78 years. The median tumour location was 6 cm from the anal verge. Most patients had suspicion of mesorectum involvement (95.5%) while 28.4% of patients had enlarged pelvic nodes on staging CT scan. All patients underwent preoperative chemo-irradiation except for five who had preoperative RT alone. Only 38 patients underwent definitive surgery (56.7%). Five patients were deemed to be inoperable radiologically and 3 patients were found to have unresectable disease intraoperatively. The remaining 21 patients defaulted surgery (31.3%). The median time from completion of RT to surgery was 8 weeks (range 5.6 to 29.4 weeks). Fifteen patients (39.5%) had surgery more than 8 weeks after completion of RT. Complete pathological response was noted in 4 patients (10.5%). The pathological CRM positive rate after RT was 18.4%. With a median follow-up of 38.8 months, the 3 year local control rate was 67%. The 3 years rate for CRM positive (<2 mm), CRM clear (>2 mm) and pCR groups were 0%, 88.1% and 100% respectively (p-value of 0.007). The 3 year OS and DFS were 57.3% and 44.8% respectively. Conclusions: In conclusion, the approach of long course preoperative chemoirradiation for rectal cancer needs to be re-examined in our local setting. The high rate of local recurrence is worrying and is mainly due to patient defaulting post-preoperative chemoirradiation or delayed definitive surgery.
Seven formulations of oxyfluorfen selected from the previous studies(4. 5) were tesed to evaluate crop injury and herbicidal efficacy on two rice cultivars and several annual and perennial weeds in a greenhouse. Each formulation at two different rates was applied to rice transplanted with 8-, 22- and 32-day old seedlings and to direct-seeded rice. Among the formulations, Elvan, Bentonite B. Chitosan and Coal Slag gave lower injury than a control formulation, Sand-coated oxyluorfen, and they did not have a problem with excessive release if active ingredient at once. Especially, the formulations of Elvan, Chitosan and Bentonite B controlled annual weeds (Echinochloa crus-galli, Monochoria vaginalis, Cyperus difformis., and Scirpus juncoides) and perennial weeds (Sagittaria pygmaea, and Cyperus serotinus). The surface structure of the formulations indicate the different possibilities of releasing of oxyfluorfen by different cracking and hole sizes, namely retention capacity.
Truong, Hai Thi Hong;Graham, Elaine;Esch, Elisabeth;Wang, Jaw-Fen;Hanson, Peter
Horticultural Science & Technology
/
v.28
no.4
/
pp.664-671
/
2010
A genetic linkage map was constructed using 188 $F_9$ RILs derived from a cross between $Solanum$$lycopersicum$ H7996 (resistant to bacterial wilt) and $S.$$pimpinellifolium$ WVa700 (highly susceptible to bacterial wilt). The map consisted of 361 markers including 260 DArTs, 74 AFLPs, 4 RFLPs, 1 SNP, and 22 SSRs. The resulting linkage map was comprised of 13 linkage groups covering 2042.7 cM. The genetic linkage map had an average map distance between markers of 5.7 cM, with an average DArT marker density of 1/7.9 cM. Based on the distribution of anchor SSR markers, 11 linkage groups were assigned to 10 chromosomes of tomato except chromosomes 5 and 12. The DArT markers were distributed across the genome in a similar way as other markers and showed the highest frequency of clustering (38.8%) at ${\leq}$ 0.5 cM intervals between adjacent markers, which is 3 times higher than AFLPs (13.5%). The present study is the first utilization of DArT markers in tomato linkage map construction.
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