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Aiming at the existing “Guidelines for Design of Highway Safety Facilities” which is lack of risk analysis for highway guardrail in the corner，protection performance of the car-guardrail system were studied in sharp sections，high speed，large angle of collision. The colli­sion processes in collision angle equal 25 degree and with the velocity of car at 80 km/h or 100 km/h respectively were simulated by the means of finite element method ( built model by Pro-E，preprocessed by Hyper-Mesh，simulated by LS-DYNA) . 4 indicators，vehicle's tractory，acceleration，enery and damage，were putted forward to assess the effect of guardrail, meanwhile a new type of barrier with flexible buffer device was designed. The results indicate that the A level of w-beam guardrail can't meet the collision protection needs which that the inter­section angle of it with column is less than 60 degree and maximum instantaneous deceleration of vehicle exceeds 20g in simulation. It indi­cate that the new device could utilize steel rope absorbers to buffer the collision processes. Compared with the traditional fence，maximum de­formation of vehicle is only its 14% and the ratio of kinetic energy into internal energy fell by 40% yet. And it guides it return to its normal lane that prevents the following secondary accidents. [ABSTRACT FROM AUTHOR]

Objective To discuss the anxiety， depression and influencing factors of peptic ulcer in the elderly. Methods 120 patients of senile peptic ulcer were divided into three groups （43 patients of senile peptic ulcer with anxiety，40 patients of senile peptic ulcer with depression，and 37 patients of senile peptic ulcer）. The general questionnaire，self-rating anxiety symptom scale，self-rating depression scale， social support scale， and quality of life questionnaire were used to score and compare the anxiety， depression and influencing factors in the three groups. Results Anxiety and depression scores of senile patients with peptic ulcer were higher than those of national norm （P < 0.050） . For anxiety， the risk factors were recurrence of chronic （OR = 3.228，P = 0.） and severity （OR = 4.039，P = 0.），while the protective factors were economics （OR = 0.188，P = 0.044）， quality of life （OR = 0.366，P = 0.049） and total score of social support （OR = 0.782，P = 0.006） . For depression， the risk factors were course of disease （OR = 9.840，P = 0.） and active stage （OR = 10.496，P = 0.017）， while the protective factors was economics （OR = 0.215， P = 0.049）， quality of life （OR = 0.357，P = 0.022） and total score of social support （OR = 0.847，P = 0.030） . Conclusion Senile peptic ulcer was prone to anxiety and depression. Severity， active stage and bad compliance of treatment were closely relative with anxiety and depression occurence. Anxiety and depression could be relieved by good economic conditions， high quality of life and much social support. [ABSTRACT FROM AUTHOR]

Copyright of Journal of Hebei University of Science & Technology is the property of Hebei University of Science & Technology, Journal of Hebei University of Science & Technology and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Journal of Harbin Institute of Technology. Social Sciences Edition / Haerbin Gongye Daxue Xuebao. Shehui Kexue Ban is the property of Harbin Institute of Technology and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Objectives To explore the influencing factors of osteoporosis in menstruating women, and provide theoretical evidence for clinical prevention of osteoporosis in menstruating women. Methods Menstruating women were selected randomly, according to diagnostic standard of Chinese osteoporosis treatment guide, 103 cases were divided into two gorups, experimental group： 36 menstruating women with osteoporosis, control group： 67 menstruating women. Age, height, weight, BMI, birthnumbers, menopause, smoking, drinking, exercise status, family history of osteoporosis, taking calcium and vitamin D, estrogen replacement, the blood lipid,renal,parathyroid, calcium and phosphorus product, C- reactive protein were collected by using questionnaire. Related statistical methods were used for analysis to explore the influencing factors of osteoporosis with menstruating women. Results Age and menopause of experimental group were higher than control group （P〈0.05）,BMI of experimental group were lower than control group （P〈0.05）, BTH, blood urea nitrogen, triglyceride were higher than control group, LDL of experimental group were lower than control group, there were statistical differences between regular exercise,family history of osteoporosis, taking calcium or Vit D3 and estrogen replacement （P〈0.05）, protective factors were BMI, regular exercise, taking calcium or Vit D3 and estrogen replacement, risk factors were menopause, blood urea nitrogen, creatinine.Conclusion Protective factors include BMI, regular exercise, taking calcium or Vit D3 and estrogen replacement, risk factors include menopause, blood urea nitrogen, creatinine. Menstruating women should strengthen women's movement in the menstruation, taking calcium or Vit D3 and estrogen replacement, especially focus on protecting kidney function of menstruating women. [ABSTRACT FROM AUTHOR]

Copyright of Journal of Kunming Medical University / Kunming Yike Daxue Xuebao is the property of Kunming Medical Journal and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Telecommunication Engineering is the property of Telecommunication Engineering and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Journal of Architecture & Civil Engineering is the property of Chang'an Daxue Zazhishe and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Rock & Mineral Analysis is the property of Editorial Board of Rock & Mineral Analysis and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Journal of Remote Sensing is the property of Editorial Office of Journal of Remote Sensing & Science Publishing Co. and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Progress in Modern Biomedicine is the property of Publishing House of Progress in Modern Biomedicine and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

This study investigated the influence of climate change on the buckwheat growth period and yield in semi-arid regions of the Loess Plateau based on observations buckwheat localization experiments and data of climate factors. The results showed that the temperatures decreased significantly, with a climatic tendency rate of -0.81℃·10y-1 (P<0.01), and the precipitation increased significantly, with a climatic tendency rate of 48.55mm·10y-1(P<0.01), while the sunshine duration increased significantly, with a climatic tendency rate of 4.76h·10y-1 (P<0.01) in tartary buckwheat whole growth period during 2009-2019. The temperatures decreased significantly, with a climatic tendency rate of -0.82 ℃·10y-1 (P<0.01), and the precipitation increased significantly, with a climatic tendency rate of 33.33mm·10y-1 (P<0.01), while the sunshine duration decreased significantly, with a climatic tendency rate of -28.98h·10y-1 (P<0.01) in common buckwheat whole growth period. The growth days of common and tartary buckwheat were shortened, with climatic tendency rate of 0.53d·y-1 and 0.84d·y-1 (P<0.01), respectively. The length of vegetative growth period of both common and tartary buckwheat decreased with increasing temperature and sunshine hours, and increased with increasing precipitation. The length of reproductive growth periods increased with the increase of temperature and sunshine hours, and decreased with the increase of precipitation. The tartary buckwheat yieldhas increased. Yield was highly significantly negatively correlated (P<0.01) with both temperature and sunshine hours of tartary buckwheat whole growth period. Yield was significantly positively correlated (P<0.01) with precipitation of tartary buckwheat whole growth period. Temperature was a key factor to affect tartary buckwheat yield. The common buckwheat yield has decreased. Yield was significantly positively correlated (P<0.05) with temperature, precipitation and sunshine hours of common buckwheat whole growth period. Temperature and sunshine hours during the whole growth period were key factors affecting common buckwheat yield. [ABSTRACT FROM AUTHOR]

Copyright of Shandong Medical Journal is the property of Shandong Medical Health Newspapers and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Jianzhu Cailiao Xuebao: Journal of Building Materials is the property of Journal of Building Materials and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Journal of Xi'an Jiaotong University (Medical Sciences) is the property of Xian Jiaotong University and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Chinese Journal of Lung Cancer is the property of Chinese Journal of Lung Cancer and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Jianzhu Cailiao Xuebao: Journal of Building Materials is the property of Journal of Building Materials and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Jianzhu Cailiao Xuebao: Journal of Building Materials is the property of Journal of Building Materials and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Journal of Clinical Hepatology / Linchuang Gandanbing Zazhi is the property of Journal of Clinical Hepatology and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of China Journal of Oral & Maxillofacial Surgery is the property of Shanghai Jiao Tong University, College of Stomatology and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

BACKGROUND: Diabetic foot has serious mortality and disability rate. Therefore, it is necessary to summarize and understand how to prevent and treat diabetic foot, thereby providing some ideas and directions for the prevention and treatment of diabetic foot. OBJECTIVE: To summarize the etiology, prevention measures, and treatments of diabetic foot, thus proposing the academic viewpoints of the ANTI∙DF principle to guide the prevention and treatment of diabetic foot. METHODS: As per the ANTI∙DF principle, we summarized several aspects such as deformity caused by diabetes, foot ulcer caused by deformity, treatment and prevention of diabetic foot. With reference to relevant international and Chinese guidelines and literature, 73 articles were selected from the Chinese and English databases according to the inclusion criteria and were used to summarize the principles of diabetic foot prevention and treatment. RESULTS AND CONCLUSION: There are 10 factors related to the formation of diabetic foot wounds and refractory wounds: Artery, Nerve, Tissue nonviable, Infection or inflammation, Muscle, Osteoarticular lesion, Subcutaneous tissue, Tendon, Deformity, and Foot ulcer. The 10 factors hereinafter will be represented by their initials, which can be summarized as the ANTI∙MOST∙DF principle. Deformity (D) includes the morphological changes of the four anatomical structures – MOST. Therefore, these four factors, MOST, can be simplified and the principle is referred to as the ANTI∙DF principles. Etiologically, among the six factors of the ANTI∙DF principle, deformity (D, including the morphological changes of the four anatomical structures of MOST) is the “real culprit,” and neurological (N) lesions are the “crime culprit.” Arterial (A) ischemia often acts as the “accomplice.” Tissue (T) necrosis, infection (I), and foot ulcers (F) are only “external manifestations.” From the perspective of diabetic foot prevention and treatment, relieving the pressure caused by deformity (D), improving neuroprotection (N) function, and restoring arterial (A) blood supply are the premises for the prevention and treatment of necrotic tissue, infection or inflammation, and foot ulcers (TIF). Debridement of necrotic tissue (T) is the prerequisite for infection (I) control; debridement of necrotic tissue (T) and infection (I) control are the prerequisite for closure of foot ulcers (F). The ANTI∙DF principle is expected to provide clinical practitioners with a basis for the clinical prevention and treatment of diabetic foot, to achieve rapid wound healing and prevent recurrence in patients with diabetic foot. [ABSTRACT FROM AUTHOR]

OBJECTIVE :To study the effects of magnesium sulfate on bleeding volume and TLH4 level in pregnant women with severe preeclampsia after cesarean section, and to pro into the significance. METHODS: 100 patients with severe preeclampsia admitted into Xiangyang First People’s Hospital Affiliated to Hubei University of Medicine from Sept. 2013 to Sept. 2015 were selected to be divided into observation group and control group via the random number table, with 50 cases in each. After cesarean section, the control group were treated with misoprostol, while the observation group additionally received magnesium sulfate based on the control group. The bleeding volume, changes of blood pressure and adverse drug reactions of two groups were recorder and compared. And the ELISA method was used to detect and compare the serum levels of TLH4 in the serum of women with severe preeclampsia. RESULTS: After treatment, there was no significant difference in systolic blood pressure between before and after treatment in control group(P >0. 05) . but diastolic blood pressure was lower than before treatment, the difference was statistically significant( P < 0. 05 ). The systolic pressure and diastolic pressure of the observation group were lower than before treatment, and the systolic and diastolic blood pressure in the observation group were lower than those in the control group, the difference was statistically significant(p <0. 05 ). In control group, the amount of 0-2 h, the amount of 2-24 h and the total amount of bleeding after cesarean section were higher than those in observation group, the difference was statistically significant(P <0. 05). After treatment, the TLR4 level of peripheral serum in control group was higher than that in observation group, the difference was statistically significant ( P < 0. 05 ). After treatment, individual patients had nausea, vomit and slight fever, which could be relieved after general support treatment; and the other patients had no obvious adverse drug reactions. CONCLUSIONS: Magnesium sulfate can reduce severe preeclampsia maternal serum TLR4 expression to achieve the purpose of treatment of postpartum hemorrhage, and the effects are significant with few adverse drug reactions and high safety; it is worth promoting. [ABSTRACT FROM AUTHOR]

Copyright of Shandong Medical Journal is the property of Shandong Medical Health Newspapers and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)