Hospital acquired infections are the most commonly occurring infections resulting in the death of 99,000 Americans every year. Hospital acquired infections basically occur owing to the poor hygiene practices adopted by the hospital authorities. These infections spread mainly through contaminated medical equipment such as catheters, needles, wound dressings, and other consumables. The benefit of antimicrobial coated medical equipment is to help mitigate these infections and this has in turn encouraged their adoption in routine clinical practices like surgeries. Antimicrobial coatings are basically surface coatings applied onto the medical device to prevent the growth of microbes.

关键词：获得性感染；抗菌涂层；医疗设备；医疗装置；医疗器械

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In this paper, I implemented and improved a queuing model that characterizes the market dynamics as a Discrete Markovian System, which is more suitable for illiquid market. I then propose and examine a few market-making trading strategies & applications of such a model and point to the simulation results.

关键词：高频率交易；马尔可夫排队模型；市场策略

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Vitamin D is a naturally occurring fat-soluble biologically inert hormone precursor that exists in two primary forms: vitamin D2 (ergocalciferol) and vitamin D3 (cholecalciferol). Its main biologic function is to maintain calcium and phosphorus concentrations as they are essential for overall bone health. It has a number of other physiological roles, including retaining muscle strength, moderating immune function, regulating cellular differentiation, and reducing inflammation. The major source of vitamin D for humans is the sun. Vitamin D3 can be synthesized in the skin upon exposure to sunlight, and thus sun exposure accounts for 80-90 percent of the vitamin D for most people. Vitamin D can also be obtained from the diet in the form of either vitamin D2 or vitamin D3. Vitamin D deficiency affects almost 50 percent of the population worldwide. An estimated 1 billion people worldwide, across all civilizations and age groups, have vitamin D deficiency. Vitamin D testing is a process of measuring the levels of vitamin D in the blood of a human.

关键词：维生素D；维生素D2 （麦角钙化醇）；维生素D3 （胆钙化甾醇）；骨健康

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国外兽药市场经过多年的发展，已经进入了稳步发展时期，2011年市场规模达220亿美元。全球兽药行业前五大厂商的市场占有率超过60%。我国兽药行业现状——防疫意识差、企业数量多实力弱、产品力同质化严重。受益养殖规模化发展，兽药行业迎来发展契机。GMP验收、GSP认证相继出台。兽药质量标准的提高，将凸显大型兽药企业的产品竞争力。目前在国内兽药行业占主导地位的营销模式是从2001 年在行业中开始出现的，以“业务+技术”为主的营销模式，也称为“兽药技术营销模式”。

关键词：兽药行业；防疫意识；产品力；养殖规模化

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The Real Estate market is one of the most dynamic markets in the US. The market has evolved rapidly in the past decade to reach its current stage. The market was loosely regulated and did not have stringent rules on documentation and verification of borrowers. This, coupled with weak consumer protection principles, resulted in the growth of irresponsible lending practices.There are several factors driving the growth of the Housing Mortgage market in the US, one of the major drivers is the improving demand for home loans in the US. With the improving GDP and per capita income, the market is improving and the purchasing capability of middle and higher income groups is increasing. Another major driver is the increasingly huge profits breeding in the market, which is attracting new players, resulting into market expansion.

关键词：房地产市场；市场监管；松散；金融；抵押贷款机构

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8月上旬，全球各大车企均已公布了今年上半年销量数据，根据部分汽车网站，如盖世汽车网等，对车企上半年销量进行盘点，按照销量高低进行顺序排列。丰田集团上半年仍排名第一，三巨头分别是丰田集团、通用汽车和大众汽车集团，中国产量最高的为上汽集团，其销量已经进入前十名，位列第七。

关键词：汽车；车企；销量

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Landing lights are used in night landing operations by aircrafts. Position lights are also known as navigation lights. These lights are placed on the wingtip (red on left wingtip, green on right wing tip) and on the tail of the aircraft. Anti-collision lights illuminate the important parts of the aircraft. These lights are placed at the rudder (vertical tail of the aircraft), fuselage (body of the aircraft), and on the wingtip of the aircraft. A red beacon is used on the rudder whereas white strobes are used on the wingtips. Cockpit lights assist the pilots to view the important switches and instruments. Cabin lights are used to illuminate the aircraft cabin. Emergency lights include interior and exterior lights, which are battery powered. They are not directly connected to the main electrical system of the aircraft.

关键词：着陆灯；导航灯；防撞灯；机舱灯

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A UAV payload includes the objects carried on a UAV which are used to make the UAV efficient and versatile. Electro-optic cameras that can take real-time video of objects in the visible light spectrum are an example of a UAV payload. UAV payload also includes lasers that provide light at night for viewing and targeting an object. SARs that use a single antenna to generate accurate radar imaging of target places, signal intelligence sensors used to locate, detect, and classify radio frequency transmissions, and electronic warfare equipment used to locate, detect, and classify radar emitters are some of the other examples of UAV payload. UAV payload is controlled by ground control units, which include command, control, communication, computers, and intelligence systems. Such units are used to collect data and make it available to different departments of the intelligence system of a country through integrated surface routers.

关键词：无人机；有效载荷；电光相机；UAV；信号情报传感器

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Distributed energy generation technologies include those small-scale energy generation technology units that generate energy at a location close to the end-users of power. The implementation of distributed energy generation technologies can lead to various benefits for end-users, such as increased power reliability and a reduction in the cost of electricity. These are few of the major factors leading to increase in demand for the distributed energy generation technologies.

关键词：分布式；能源发电技术；电力最终用户；提高电源

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HA is a naturally occurring substance found in synovial fluid. Viscosupplementation is a procedure in which HA is injected into the joints. HA acts as a lubricant during the joints' movement reducing the friction between them. The HA supplements keep the joints hydrated. HA deficiency can disturb nutrient flow in the body that leads to poor tissue health, slow healing, and joint and muscle deterioration. OA is primarily caused due to wear and tear of the cartilage. Externally injected HA aids in the maintenance of the soft tissue function, such as joint support, and also in the treatment of OA.

关键词：滑液；透明质酸；HA补充剂；关节；运动过程

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