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Unilateral nasal white or grey neoplasms with continuous excreta or foul smell and nasal vestibule anabrosis should be first considered to be possible secondary nasal stones of nasal foreign bodies.

结论单侧鼻腔白色或灰白色新生物伴分泌物持续或恶臭味、鼻前庭糜烂应首先考虑鼻异物继发鼻结石。

UV-Vis and continuous variation plot method were used to study the complexation of γ-cyclodextrin with bromocresol green, and the stoichiometric ratio of the complexation was to be 1∶2. Thermodynamic analysis results show an inverse relationship between temperature and complexation constant, and the change of enthalpy, entropy and free energy of the complexation were -39.988 kJ/mol, 86.400 J/ and -14.245 kJ/mol, respectively, which indicating that hydrophobic effect was the main force to form the complexes.γ-Cyclodextrin and bromocresol green complexes were examined by nuclear magnetic resonance, infrared spectrum and molecular modeling analysis, and was may be the group included in γ-cyclodextrin.

采用紫外-可见分光光度法和等摩尔连续变化法研究了γ-环糊精与溴甲酚绿的包合作用,确定了包合物形成的化学计量比为1∶2;采用热力学方法分析了温度与包合常数之间的关系,计算了包合过程的焓变、熵变及自由能变化分别为-39.988 kJ/mol, 86.400 J/和-14.245 kJ/mol,这表明疏水作用力为主要驱动力;采用核磁共振、分子模拟和红外光谱法对包合物进行了研究,确定了包合物的形成,分析认为这可能是基团进入γ-环糊精腔内导致增色效应。

In a seasonal epidemic, it can spread worldwide and lead to a huge impact on the economy and society. The global burden of inter-pandemic influenza may be on the order of 1 billion cases, including 3~5 million cases of severe illness and 300,000~500,000 deaths annually. Vaccination is considered the most effective and cost-effective method to lower the mortality and morbidity associated with influenza.The use of continuous cell lines for influenza virus antigen production can be considered an attractive alternative to embryonated chicken eggs for several reasons. Firstly, influenza viruses propagated in animal cells usually resemble the original isolate more closely than do viruses propagated in eggs.

流行性感冒是由流感病毒引起的一种急性呼吸道传染病,在季节性流行时,能在全世界迅速传播,造成大量的经济损失和社会危害,全世界每年约有10亿人口感染流感病毒,其中重症病例300~500万,死亡人数25~50万,免疫接种流感疫苗仍是最为有效和经济的方式。

Vacuum belt hydroextractor (also named fixed rubber belt vacuum filter) is a new solid-liquid separating equipment with high efficiency and continuous operation, based on introduction, assimilation and digestion of the techniques of the same products overseas. It has achieved solid-liquid separation by making full use of material gravity and vacuum suction. In terms of its structure, filtering section is arranged horizontally lengthwise, and length of filtering section can be fully used to fulfill in turn such a process covering filtering, rinsing and sucking up, with advantages of high filtering efficiency, productivity, good rinsing effect, wide application range, simple operation, stable running, convenient maintenance and service.

真空皮带脱水机也叫固定真空室式橡胶带式过滤机;是我公司在引进、消化和吸收国外同类产品技术基础上,研制的一种新型、高效、并可连续操作的固液分离机械设备,同时它也是一种充分利用物料重力和真空吸力实现固液分离的机械设备;在结构上真空区沿水平方向布置,利用真空区的长度可以连续完成过滤、洗涤、吸干等不同工艺过程,具有过滤效果高、生产能力大、洗涤效果好、应用范围广、操作简单、运行平稳、维护保养方便等优点;特别适合于过滤固相颗粒粗、密度大及滤饼需要多次洗涤的悬浮液料浆,可以广泛应用于冶金、矿山、化工、造纸、食品、制药及环保等工业部门的固液分离;尤其在湿法烟气脱硫中的石膏脱水方面有着很好的应用。

Scanning Electronic Microscope Photographs showed that nano-particles conglomerated with 200~400nm in diameter in PVC continuous phase.Better mechanical properties can be achieved by using nano-CaCO3 combined with ACR. Nano-CaCO3 also did well in improving the properties of toughened PVC.

将nano-CaCO_3与ACR抗冲改性剂配合使用能使PVC具有较高的力学性能。nano-CaCO_3含量为15份、ACR含量为6份时,材料的冲击强度达到 74.5KJm~2,同时,nano-CaCO_3还弥补了 ACR对PVC刚性和热变形性的不良影响。

Using a dedicated high-precision polishing machine will be take high-tech nano-anti-fouling agents dripping polished surface, through repeated pressure grinding head polishing rinding ,polishing let's anti-fouling agents to be better to penetrate into the pores polished internal completely blocked pores polished and micro-cracks, to become the special, continuous nano-membrane, so that polished surface to prevent invasion of the functions of all pollutants, stains with the clean water can touch off; At the same time ,higher gloss, reached 90 degrees Celsius, and has the following outstanding performance

采用一种专用的高精度抛光机将高科技纳米防污剂滴到抛光砖的表面,通过抛光磨头的反复施压,打磨,抛光,将防污剂更好地渗透到抛光砖的毛孔内部,完全堵塞了抛光砖的毛孔及微裂纹,形成一种特殊的,连续的纳米膜,从而是抛光砖表面具有阻止一切污染物入侵的功能,污渍用水一抹就干净;同时光泽度更高,达到90度以上,并具有以下有一的性能

Based on the differences between the design value and the survey of the bridge deck elevation in constructing the pre-stressed and so on working condition, the model parameters are identified by ANN, and the beam camber of different sections are given. The results demonstrated that the ANN is efficient and the theoretical results fit well with that of forecasting the beam camber in construction.In this thesis, aim to the beam axis shape be exactitude for design, the internal force of the beam be appeased by design request, the concept of modem cybernetics is applied, At the same time, the effecting parameter has collected. The paper build the ANN model in predicting the beam camber an construction and discuss indetail the extraction of inputting nodes information when quoting the fundamental principle of ANN model and introducing research process of the improved BNN. According to them, ANN is applied in the construction control of prestressed concrete continuous bridge. It is successful for used in the No. 4 bridge of Xiangfan bridge over-crossing Hanriver brideg. To predict the construction camber of by ANN method is useful and effective.

本文以大桥成桥线形满足设计要求和成桥内力控制在设计容许范围内为目的,运用现代控制理论的思想,引用神经网络基本原理,详细介绍BP神经网络的研究过程,从而建立预应力混凝土连续梁桥施工预拱度的神经网络模型,并详细讨论了模型的神经网络结点信息的提取,在工程实例的基础上进行了数值计武汉理工大学硕士学位论文算,数值表明,将神经网络应用于预应力混凝土连续梁桥施工控制,获得了满意的结果,在预应力混凝土连续梁桥施工控制技术研究方面,具有方便有效、精度高的优点,具有良好的应用前景。

The results of continuous experiments with BAF show that: the short nitrification occurs when the Qair/Qinfluent ratio is 4:1 with NO_2~--N accounting for 72% of NOx--N; the suitable recirculation rate is 200%; the ratio of external acetate dose to NH4+-N concentration is 2:1 attributing to the short nitrification; BAF needs being backwashed when the headloss increases to 6 cm every 17~20 days; in the water reuse context, 98.7% water yield can be obtained.Lastly, the long-term operation of SBR-BAF system indicates it can treat the wastewater efficiently.

BAF反应器连续流试验结果表明:最佳气水比为4:1,硝化类型以短程硝化为主,NO_2~--N占到NOx--N的72%;综合考虑对TN的去除率和动力消耗,最佳回流比为200%;最佳缺氧/好氧容积比为3:5;由于短程反硝化较全程反硝化碳源需求量低,在BAF反应器进水NH4+-N 40mg/L左右的情况下,乙酸钠投加量为80mg/L以COD计设定水头损失达到6cm时进行反冲洗,随水温不同,反冲洗周期为17~20d,产水率为98.7%。

With the continuous development of enterprises, business has been involved in loaders, road rollers, bulldozers, excavators, graders, forklifts, garbage compactors and the Chai D6114, Weichai Steyr engine, all kinds of imports of construction machinery and machine parts, Company sales machine and accessories directly from the manufacturer, be able to ban all counterfeit products and manufacturers direct access to three packs of protection, the company attaches great importance to pre-market after-sales service and be accountable to the whole period of the implementation of three bags full track Onsite Services .

随着企业的不断发展,业务已涉足装载机、压路机、推土机、挖掘机、平地机、叉车、垃圾压实机和上柴D6114、潍柴斯太尔发动机、各种进口工程机械整机及配件,公司所销售的整机和配件均直接来源于生产厂商,能够禁绝一切仿冒产品并直接获得生产厂商的三包保障,公司高度重视售前售后服务工作,对整机实施三包期全程跟踪上门服务。

But along with the social economy development, the vegetables consumption quantity is daily increased, the great scale of the greenhouse vegetables production is higher and higher day after day and a special reason is benefit actuation. It emerges one batch of vegetables types relatively sole specialized production base one after another, which causes the original cropping system to disintegrate objectively, the farmer who is engaged to run some specific vegetables production is increased day by day, the vegetables type are restricted frequently by the high production and economic efficiency fruit vegetables, the tendency of specialized production is suddenly revealed day after day, finally is causes the soil environment to worsen, the vegetables plant disease to be serious, the output to reduce, the quality and the series barrier of continuous copings to occur and the facility vegetables production further development to be cut down.

但随着社会经济的发展,蔬菜消费量的日益增加,温室蔬菜规模化生产日渐升温,加上效益驱动等原因,相继涌现出一批蔬菜种类相对单一的专业生产基地,客观上导致原有耕作制度瓦解,从事某一特定蔬菜生产的农民日益增多,蔬菜种类常常局限于生产经济效益高的果菜类,专业化生产趋势日渐突显,结果导致土壤环境恶化、蔬菜病虫害严重、产量降低、品质下降等一系列连作障碍的发生,严重威胁着设施蔬菜生产的进一步发展。

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Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书,王祥生,李德昌。安徽省首次发现嗜群血蜱。

Chapter Three: Type classification of DE structure in Sino-Tibetan languages.

第三章汉藏语&的&字结构的类型划分。