The Process of Tiger Disappearance in Guizhou

In this paper,the authors collected officially published literature on the South China tiger(Panthera tigris amoyensis)in Guizhou from 1900 to 1980,from which we extracted information on its historical distribution and population size,and collected data on the tiger skin trade after 1950,the change in subtropical broad-leaved evergreen forest cover,and demographic data in the relevant databases.GIS mapping was used to visualize the distribution range of the South China tiger in Guizhou Province during the period 1900–1980 and to discuss the history of its disappearance in Guizhou and its driving factors.The results show that in 1900,the South China tiger was distributed throughout 82 cities and counties in nine prefectures and municipalities in the province;the number of documented South China tiger distribution sites in 1900–1950 decreased to 48 compared to 1900;the number of counties with South China tigers in 1950–1980 further decreased and became extinct in some areas;and in the 1990s,the South China tiger became extinct in the wild in Guizhou.The main reasons for the extinction of the South China tiger in the wild in Guizhou are:on the one hand,with the socio-economic development of Guizhou Province,the population has increased dramatically,the magnitude of the demand for natural resources has increased,and in order to satisfy this demand,human activities,such as coal mining and clearing of mountains for planting,have been intensified,resulting in the reduction of the coverage rate of the subtropical broad-leaved evergreen forests,which has resulted in the extreme loss of the habitat of the South China tiger;on the other hand,the insufficient protection efforts and protection measures for this species in the country before the 1980s,which were subjected to anthropogenic hunting,were also factors leading to the extinction of this species in the wild in Guizhou Province.As a big cat at the top of the food chain,the distribution of the South China tiger can reflect the history of the natural environment in the region.By analyzing and discussing the distribution history of the South China tiger population in Guizhou Province,the significance of this case is to provide a scientific basis for the future conservation of biodiversity and the development of ecological restoration measures in the karst mountains of southern China.

DISAPPEARANCE OF INTERFACES FOR DEGENERATE PARABOLIC EQUATIONS WITH VARIABLE DENSITY AND ABSORPTION

In this article, the authors deal with the Cauchy problem of a nonlinear parabolic equation with variable density and absorption. By using energy methods, the authors prove that the interfaces can disappear in finite time under some assumptions on the density functions.

Disappearance of Flow as a Function of Impact Parameter for ^(64)Zn+^(58)Ni Collisions at Intermediate Energies

The disappearance of collective flow for 64Zn+58Ni collisions is studied withBUU equation.It is found that the balance energy,Ebal,is very sensitive to the in-me-dium nucleon-nucleon cross section and increases with the impact parameter.

Disappearance of unaffected motor cortex activation by repetitive transcranial magnetic stimulation in a patient with cerebral infarct

The ipsilateral motor pathway from the unaffected motor cortex to the affected extremity is one of the motor recovery mechanisms following stroke （Jang, 2011）. Because stroke patients who had shown recovery by this mechanism usually showed poorer motor function, compared with patients who showed recovery by other mechanisms, several researchers have considered this mechanism as a maladaptive plasticity （]ang, 2013）.

Prosperity and Disappearance of Introduced Fishes in Xiangmoshan Reservoir

In order to enhance the resources, some fishes were introduced into Xiangmoshan reservoir. The introduced fishes consisted of different ecotypes such as silver carp （Hypophthahnichthys rnolitrix （Cuvier et Valenciennes））, big head （Aristichthys nobilis （Richardso）） and lake herring （Coregonus clupeaformis （Mitchill）） that were plankton feeders, common carp （Cyprinus carpio Linnaeus） and crucian carp （Carassius auratus gibelio） belonging to the polyphagia, and also the non-native predator Walleye （Stizostedion vitreum （Mitchill）） and big mouth （Silurus soldatovi rneridonalis Chen）, et al. Among there were not only the cool water fish Peled （Coregonus peled （Gmelin））, but also the warm water fish big mouth. The introduction of non-native fishes resulted in ecosystem changes of the reservoir and some native fishes had gone to decrease their population sizes or been in the condition of depopulation such as Opsariichthys uncirostris arnurensis （Berg）, Rhodeus sericeus （Pallas） and Silurus asotus （Linnaeus）. The native common carp had disappeared after the introduction of non-native species. Roach （Rutilus rutilus lacustris （Pallas） had been thriven for one or two generations after its introduction and immeidiatly disappeared. Silver fish （Protosalanx hyalocranius （Abbott））, Lake herring （Coregonus clupeaformis （Mitchill）） and Walleye （Stizostedion vitreum （Mitchill）） died several years after the introduction, so most of the introduced species has passed out of existence. Via many years introduction of different fishes, composition of species and the structure of the population in the reservoir had been changed obviously. It was necessary to further estimate whether the ecosystem of the reservoir had been damaged.

Ruminal in situ disappearance kinetics of six nutritive ingredients in leaves and stems of young tetraploid black locust in growing steers

Tetraploid black locust （Robinia pseudoacacia） is a woody plant with larger leaves and richer nutritional content than normal diploid black locust, with greater biomass and wider adaptability than herbaceous plant forage. However, currently no stock- breeders have adopted it as a major forage in China and other countries for a lack of information on the evaluation of nutritional ingredients of leaves and stems of young tetraploid black locust （YTBL） by in situ digesting tests. The objectives of this study were： 1） to assess the nutritive value of YTBL that bourgeoned from root stumps in the spring by determining the ruminal in situ disappearance kinetics of dry matter （DM）, organic matter （OM）, crude protein （CP）, ether extract （EE）, neutral detergent fiber （NDF） and acid detergent fiber （ADF） from leaves, stems and a mixture of both leaves and stems （MLS） of YTBL; 2） to compare these kinetic estimates with those of Leymus chinensis, a widely used ruminant forage in China. All samples were evaluated in situ by using five ruminally cannulated crossbred steers （550±22.7 kg BW）. The results of 48 hours, the representative incubation period, indicate that in situ disappearance rates of DM and OM in YTBL leaves, stems and MLS are on average about 40% and can attain the level of digestibility of L. chinensis. In situ disappearance rates of leaves, stems and MLS of YTBL for CP and EE were 41% and 58% respectively, rates higher than those of L. chinensis. But the disappearance rates of NDF and ADF were, on average, respectively 30.62% and 24.89% and lower than those ofL. chinensis. By analyzing synthetically all of our results it could be inferred that MLS of YTBL offers effective ruminal degradability of DM, NDF, ADF, CP, EE and OM, similar to the nutrients of L. chinensis. This supports our contention that the YTBL leaves, stems and MLS are suitable feed for those ruminants requiring high levels of nutrients, such as dairy cows and Boer goats, instead of plant forage, which is decidedly lacking in some parts of the world.

Influencing factors for the disappearance of hemispatial neglect in patients during acute stroke

BACKGROUND： Some researches are proved that early sitting balance and body motor control performed on patients with stroke and hemiplegia is related to functional prognosis. For patients with hemispatial neglect （HSN） dunng acute stroke, whether HSN disappearance is related to those trainings or not should be further studied. OBJECTIVE： To analyze the correlation between HSN disappearance and related intervention of patients during acute stroke. DESIGN ： Case analysis SETTING ： Department of Neurology, First Affiliated Hospital of Guangxi Medical University PARTICIPANTS： A total of 21 patients with stroke were selected from the Department of Neurology, the First Affiliated Hospital of Guangxi Medical University from May 2005 to March 2006. Diagnosis criteria： ① Stroke was diagnosed by CT and MRI; ② Diagnosis was coincidence with HSN evaluation criteria; ③ All cases were consent. Exclusion cnteda： Patients who had poly-focus, conscious disturbance, severe amentia and hard communication combined with aphasia were excluded. A total of 12 males and 9 females were included, and the mean age was （68±10） years. Among them, 14 patients had cerebral infarction and 7 had cerebral hemorrhage. METHODS： Disappearance and existence of HSN were analyzed with HSN evaluation criteria： body agnosia, left and nght agnosia, maintenance of supine position, place of things, sitting up straight, center of line measured by eyes, and cutting 30 lines with paring method, Items mentioned below belonged to HSN disappearance： ① without body agnosia; ② without left and nght agnosia; ③ be able to maintain supine position; ④ knowing place of things; ⑤ sitting up straight by one＇s own; ⑥ be able to measure the center of line by eyes; ⑦ be able to cut 30 lines with paring method. However, only one item belonged to HSN remnant; but only one item belonged to HSN remnant. Numbers of patients who were of body agnosia, left and nght agnosia and difficult maintenance of supine position were observed during acute period （within 1 week） and recovery period （at 2 weeks after onset）. Related factors with HSN disappearance contained time of physiotherapy, duration of sitting training （sitting in bed and near bedside： heels fallen to ground, feet loaded heavies, center of gravity located at middle line, head raised towards frontage） and hospitalized time. However, control group was not set up.Measurement data were expressed as Mean＋SD and compared with ttest; enumeration data were compared with Chi-square test and Mann-Whitney Utest. P 〈 0.05 was regarded as significant difference. MAIN OUTCOME MEASURES： ① HSN disappearance; ②Numbers of body agnosia, left and right agnosia and difficult maintenance of supine position;③ Correlation among therapeutic time, sitting-training time and hospitalized time. RESULTS： All 21 patients were involved in the final analysis. ① HSN disappearance： Among 21 cases, 2 patients had right HSN disappearance, 19 left HSN disappearance, 8 （38%, 8/21） HSN disappearance, and 13 （62%, 13/21） HSN remnant. Among 8 patients of HSN disappearance, symptoms of 4 cases lasted for 7 days and that of another 4 lasted for 8-12 days. ② Evaluation of HSN disappearance at various phases： Within 1 week, 19% （4/21） HSN patients had body agnosia, left and right agnosia; during recovery period, body agnosia of 20 cases was disappeared and that of 1 case was still survived. Within 1 week, cases with difficult maintenance of supine position were 67% （13/21）, but 43% （17/21） during recovery period. ③ Analysis of effective factors on HSN disappearance and related intervention： At acute phase, HSN disappearance through sitting training lasted for （2.5±1.3） days, and remaining HSN symptoms were relieved for （5.0±3.7） days. There was significant difference between them （ x^2= 3.96, P = 0.039）. The hospitalized time of patients with HSN disappearance and HSN remnant was （17.6±10.4）, （16.2±4.9） days, but there was no significant difference between them （x^2 = 1.41, P = 0.679）. Physiotherapy time of patients with HSN disappearance and HSN remnant was （11.1 ±7.5）, （11.4±4.1 ） days, but there was no significant difference between them （x^2 = 1.05, P = 0.894）. CONCLUSION： Early sitting training may play a possible role in HSN symptom disappearance of patients with stroke.

Kinetics of the thermal disappearance of radicals formed during the radiolysis of L-α-anhydrous asparagine

An EPR study of paramagnetic centers formed by irradiation of polycrystalline L-α-anhydrous asparagine (L-Asn) was performed. The EPR spectra of gamma irradiated samples at room temperature, shown the presence of three types of paramagnetic centers. A possible mechanisms of formation for the three radical species is suggested, based also on literature data. The kinetics of the disappearance of radicals during thermal annealing indicated a complex mechanism.

Zhang Heng’s Seismoscope(3):Disappearance & Scientific Value

The ancient idea of Heavenly Punishment confused natural phenomena with social issues,which resulted in Zhang Heng’s tragedy in his later years and seismoscope. The instrument might have been lost in the end of the Eastern Han Dynasty. A series of extremely serious chaotic social events caused by war took place,such as a fire in Luoyang,forging coins by destroying copper wares,relocation of the capital,sharp population decrease,and the destruction of the Ling Observatory. Zhang’s scientific thought and successful practice had played an important role in ideological enlightenments at the primary stage of modern seismology at the end of the nineteenth century. There is a glorious course of"innovation—inheritance—re-innovation"of scientific and technical development from the inception Zhang Heng’s seismoscope to the modern seismograph invented by Milne,et al.

Percy's Disappearance

Percy’s mysterious (神秘的) disappearance upset everybody a great deal. Percy is a performer in a night-club and just before he was due

The Disappearance of the British Family

The traditional description of the British family is a father, a mother and 2.4 children(on average).However,figures published by the UK government in 2006 revealed that: 66 per cent of marriages in the UK end in divorce,which is the highest rate in

河北黄骅方言“V上”结构中“上”的特殊用法

黄骅方言“V上”结构中的“上”,可以表示受事对象逐渐消失义。从句法特点来看,“V上”是一个自主结构,在句中的位置比较灵活,其中涉及到的受事成分以前置于动词为优势。从语义制约来看,该结构中的受事对象是有指的,具有数量特征,数量在动作行为影响下从有变无。从搭配对象来看,与“上”搭配的典型动词主要是现实生活中常用的消耗类动词和去除类动词。

糖皮质激素对川崎病患儿急性期治疗效果的影响

目的研究糖皮质激素对川崎病患儿急性期治疗效果的影响。方法纳入2018年1月—2023年1月期间孝感市中心医院收治的92例川崎病(KD)患儿,随机分为常规组与联合组各46例,常规组实施人免疫球蛋白+阿司匹林治疗,联合组在常规组基础上联合糖皮质激素治疗,两组患者均治疗两周。比较两组KD患儿用药后临床症状消失时间[发热、黏膜充血、四肢肿胀]。比较两组KD患儿治疗前后抗血小板聚集相关因子水平[血小板计数(PLT)、白细胞计数(WBC)、红细胞沉降率(ESR)]、炎症因子[生长分化因子-15(GDF-15)、巨噬细胞移动抑制因子(MIF)、血清高迁移率族蛋白B1(HMGB1)]、免疫功能[CD4^(+)、CD8^(+)]、冠状动脉内径。比较两组KD患儿治疗期间药物不良反应发生情况。结果联合组KD患儿发热、黏膜充血、四肢肿胀等临床症状消失时间显著低于常规组(P<0.05)。治疗两周后,两组患儿PLT、WBC、ESR、GDF-15、MIF、HMGB1、CD4^(+)水平显著低于治疗前,且联合组显著低于常规组(P<0.05);两组KD患儿CD8^(+)水平显著高于治疗前,且联合组显著高于常规组(P<0.05)。治疗后两组患儿冠状动脉内径较治疗前显著减小,但两组间冠状动脉内径比较差异无统计学意义(P>0.05)。两组患儿不良反应总发生率比较差异无统计学意义(P>0.05)。结论糖皮质激素联合人免疫球蛋白治疗KD患儿可促进其临床症状消失,并有利于提高其抗血小板聚集能力,降低炎症反应。

美他多辛治疗对急性酒精中毒患者苏醒时间症状消失时间和氧化应激反应的影响

目的:探究美他多辛治疗对急性酒精中毒患者的影响。方法:选取2020年1月至2022年12月我院急诊收治的104例急性酒精中毒患者为研究对象,采用随机数字表法分为常规组(n=52)和美他多辛组(n=52)。对照组给予常规治疗,观察组常规治疗基础上给予美他多辛治疗。记录两组患者临床指标(苏醒时间、症状消失时间),比较治疗前和治疗后,两组患者血气指标[血氧饱和度(SaO_(2))、氧分压(PO_(2))]及呼气酒精浓度(BrAC)水平,比较治疗前和治疗后,两组患者氧化应激[超氧化物歧化酶(SOD)]状态,治疗前和治疗后,两者患者肝肾功能[丙氨酸氨基转移酶(ALT)、天冬氨酸转氨酶(AST)、血肌酐(Scr)、尿素氮(BUN)]、凝血功能[凝血酶原时间(PT)、凝血酶时间(TT)、活化部分凝血酶时间(APTT)、纤维蛋白原(FIB)]。结果:美他多辛组苏醒时间、症状消失时间均短于常规组(P均<0.05);治疗后,两组患者SaO_(2)、PO_(2)、SOD、FIB水平均较治疗前升高,美他多辛变化水平高于常规组(P均<0.05);BrAC、肝肾功能指标(ALT、AST、Scr、BUN)、部分凝血功能指标(PT、TT、APTT)水平较治疗前降低,美他多辛变化水平高于常规组(P均<0.05)。结论:美他多辛能够缩短急性酒精中毒患者苏醒时间及症状消失时间,改善患者血气状态,缓解患者氧化应激反应,改善患者肝肾功能及凝血功能。

延续性护理措施对小儿支气管肺炎家庭雾化治疗的影响

目的探讨延续性护理措施对小儿支气管肺炎家庭雾化治疗的影响。方法选取2022年11月至2023年3月于滨州医学院附属医院就诊的98例支气管肺炎患儿作为研究对象,按照随机数字表法分为参照组(n=49)与研究组(n=49)。两组均实施家庭雾化治疗,参照组予以常规出院指导干预,研究组予以延续性护理措施。比较两组症状消失时间及家庭雾化治疗总依从率。结果研究组喘憋消失时间、咳嗽消失时间及湿啰音消失时间均短于参照组(P<0.05)。研究组家庭雾化治疗总依从率高于参照组(P<0.05)。结论延续性护理措施应用于小儿支气管肺炎家庭雾化治疗中,可辅助改善临床症状,提高家庭雾化治疗依从性。

《云中记》中的民俗事象探究

《云中记》一方面展现了颇具地域性、民族性的藏地老百姓古老的生活方式,另一方面也写出了传统与现代的交锋以及传统民俗最终没落的悲哀与无奈。文章通过对《云中记》中的民俗事象进行分析整理,阐释了深藏其中的文化意蕴。

微光像增强器光晕消失时间测试方法

光晕(halo)效应对微光像增强器探测的应用造成了不利影响且不可避免。微光像增强器的光晕消失时间缺乏测试方法,因此提出了基于数字目视的光晕消失时间测试系统。该系统通过开关电源给LED光源提供频率为25 Hz、占空比可调的脉冲信号,利用高帧率相机连续采集1500张像增强器经直径为3.5 mm小孔后的图像,其中包含若干个完整的明暗周期。通过重复计算标准差,去除偏离平均值的周期序列来优化周期信息,获得亮暗周期内光源熄灭的图片索引,同理可获得光晕消失的图片数量,从而计算得到光晕消失时间。编号为GZ318118A的像增强器光晕消失时间为3.33 ms。测试结果表明,测量装置的重复性为0.863%,可以对光晕消失时间进行有效测试。

氯雷他定联合罗红霉素治疗肺炎支原体致上呼吸道感染后咳嗽的疗效

目的观察氯雷他定联合罗红霉素治疗肺炎支原体(MP)致上呼吸道感染后咳嗽的疗效。方法选取2020年1月—2022年12月苏州大学医院内科收治的MP致上呼吸道感染后咳嗽患者112例,按照简单信封随机法分为罗红霉素组与联合治疗组,每组56例。罗红霉素组患者予以罗红霉素,联合治疗组患者在罗红霉素组基础上联合氯雷他定,2组均连续用药5~7 d。比较2组临床疗效,临床相关指标,不良反应。结果联合治疗组治疗总有效率高于罗红霉素组(94.64%vs.71.43%,χ^(2)=10.712,P=0.001)。联合治疗组体温恢复正常时间、咳嗽缓解时间、咳嗽消失时间、住院时间短于罗红霉素组(P<0.05或P<0.01)。治疗期间,联合治疗组不良反应总发生率低于罗红霉素组(7.14%vs.21.43%,χ^(2)=4.667,P=0.031)。结论MP致上呼吸道感染后咳嗽患者采用氯雷他定联合罗红霉素治疗,可增强抗感染疗效,较快地改善咳嗽症状,且用药安全性较高。

孟鲁司特钠与酮替酚治疗小儿咳嗽变异性哮喘对其咳嗽症状消失时间和呼吸功能指标恢复时间的影响

目的探讨小儿咳嗽变异性哮喘(Cough Variant Asthma,CVA)治疗中应用孟鲁司特钠与酮替酚的临床效果及对预后的影响。方法回顾性选取2022年1月—2023年9月自贡市第四人民医院收治的98例CVA患儿的临床资料,以治疗方法不同分为对照组和观察组,各49例。对照组单一应用孟鲁司特钠治疗,观察组合用孟鲁司特钠、酮替芬治疗。比较两组临床疗效、咳嗽症状消失时间、呼吸功能指标恢复时间、肺功能、炎症水平、免疫功能指标。结果观察组临床有效率为93.88%,高于对照组的79.59%,差异有统计学意义(χ^(2)=4.346,P<0.05)。与对照组比较,观察组咳嗽症状消失、呼吸功能指标恢复时间短,差异有统计学意义(P均<0.05)。治疗后两组第1秒用力呼气量、第1秒用力呼气量/用力肺活量、最大呼气峰流速均呈升高趋势,且观察组优于对照组,差异有统计学意义(P均<0.05)。两组治疗后肿瘤坏死因子-α、免疫球蛋白E、辅助性T细胞1检测值呈下降趋势,白细胞介素-4、调节性T细胞检测值呈升高趋势,且观察组优于对照组,差异有统计学意义(P均<0.05)。结论在小儿CVA治疗中孟鲁司特钠与酮替芬合用可取得确切疗效,可使咳嗽症状和呼吸功能得到改善改善,提高肺功能、缓解炎症水平。

椎管内麻醉后颅内积气1例

椎管内麻醉后出现颅内积气是一种少见的并发症,相关文献报道的椎管内或颅内积气多与麻醉过程中采用空气阻力消失法相关,生理盐水阻力消失法罕见。本文报告1例采用生理盐水阻力消失法实施椎管内麻醉手术后发生颅内积气的患者资料。患者为38岁女性,无明显诱因肛周肿痛1周,择期椎管内麻醉下行“肛周脓肿切开排脓+肛瘘切除内扣挂线+混合痔外剥内扎+肛乳头瘤电灼术”。术后第2天出现头痛、头晕,以及颈部、后背剧烈疼痛,伴手臂麻木且无法触碰及活动,平卧位休息后无好转,头部CT发现颅内散在多发积气,总量约3 mL。经多学科会诊,采取卧床休息、补液、吸氧、消炎止痛等对症支持治疗,病情好转出院,半年后随访无不适。目前采用生理盐水阻力消失法实施椎管内麻醉后颅内积气的病理生理机制、诊断、治疗、预防尚不明确,仍需进一步研究。