487 篇
169 篇
16025 篇
769 篇
270 篇
87 篇
464 篇
38 篇
2225 篇
846 篇
51 篇
180 篇
520 篇
102 篇
62 篇
110 篇
52 篇
324 篇
195 篇
70 篇
[仪器仪表制造业,电气机械和器材制造业,专用设备制造业] [2017-08-28]
The countertop model of the meat grinder and mincer is expected to dominate the market during the forecast period. The global countertop meat grinder and mincer segment will experience a CAGR of 7.77% from 2016 to 2021. The compact design and improved features of the countertop meat grinder and mincer models have propelled the growth of this segment. For instance, some of the vendors such as Hobart, Sirman, and Minerva Omega group are providing high-quality products with improved features, which include a reverse switch for reducing the jamming. Some of the vendors are also providing ventilated motors to improve the air circulation inside the motor chamber, which reduces burnouts in the meat grinder and mincer.
[金属制品业,化学原料和化学制品制造业] [2017-08-28]
Composites are a combination of two or more materials that have different properties. They have high stiffness and tensile strength, low density, high thermal and electrical conductivity, and adjustable coefficient of thermal expansion. They are also corrosion resistant and stable at high temperatures. Composites are classified based on matrix and filler materials.
[金属制品业,化学原料和化学制品制造业] [2017-08-28]
Metallic pigments are inorganic pigments with metallic characteristics. These pigments are flake-shaped metallic particles that are available as pastes, powders, pellets, suspensions, or color concentrates. Metallic pigments usually consist of aluminum, gold, zinc, bronze, stainless steel, and nickel. These pigments are used in anticorrosion, heat resistant, reflective, and conductive coatings.
[专用设备制造业,金属制品业] [2017-08-28]
The manufacturing industry has witnessed radicle changes in processes that are used to manufacture things. Earlier, goods were produced with bare hands. Subsequently, with advancements in technology, machines were used to produce goods. This paradigm shift in production techniques is termed as the Industrial Revolution. The Industrial Revolution has its roots in England where it began in the 18th century and was later transferred beyond national boundaries to neighboring countries such as Germany and France. By the second half of the 18th century, the revolution came across the sea to the US. The two most important changes that the Industrial Revolution brought to manufacturing were:
[仪器仪表制造业,计算机、通信和其他电子设备制造业,电气机械和器材制造业] [2017-08-28]
Conduction, radiation, natural, forced convection, and thermal storage are the five thermal processes that take place in a micro speaker. Conduction refers to the transfer of heat from a hot source to a colder sink via a physical path. In a micro speaker, heat is conducted from the voice coil. The conduction takes place in the air gap in between the magnet, voice coil, and the magnet circuitry. Radiation transfers the heat through emission at a higher temperature. The general working temperature of a micro speaker is below 212̊ F. At lower frequencies, the micro speaker membrane motion forces the heat and the air from the speaker to the ambience via the ventilation holes. Thus, the membrane pumps the air in and out of the micro speaker.
[仪器仪表制造业,计算机、通信和其他电子设备制造业,医药制造业] [2017-08-28]
Medical laser systems serve a wide variety of medical treatment fields from dermatology, ophthalmology, gynecology, and urology. The launch of a wide range of surgical and aesthetic laser treatments has led to several medical laser procedures being performed every day. The advances in medical laser technology have helped vendors to develop cost-effective photonic solutions, including beam delivery components, and designs of laser systems.
[计算机、通信和其他电子设备制造业,仪器仪表制造业,医药制造业] [2017-08-28]
Medical imaging is the process of creating visual representations of the interior of a body for clinical analysis and medical intervention. Medical imaging is performed to reveal the internal structures hidden by the skin and bones to examine and diagnose the medical condition. It plays a vital role not only in diagnosis but also in the treatment process as it is taken into consideration during the follow-up of various diseases. Various methods for medical imaging include X-rays, SPECT/PET, ultrasound, CT, and MRI. For the diagnosis and treatment of various diseases, these methods are used individually or in combination for a better understanding of the medical condition.
[卫生和社会工作,教育] [2017-08-28]
In medical education, physical examination is an essential element of learning to provide students with a hands-on experience and enable them to learn accurate clinical diagnosis. However, medical education requires a high level of self-regulated learning. Owing to the extensive preclinical education involved, students find it challenging to memorize and retain knowledge pertaining to clinical study material. In addition, many of the universities also have limited teaching resources. Despite these challenges, medical educational institutions across the globe have been successfully delivering excellent workforce of physicians and medical professionals.
[化学原料和化学制品制造业,医药制造业] [2017-08-28]
Medical adhesives and sealants are usually used for surgical procedures and the bonding of medical appliances. Medical adhesives and sealants are used for the fabrication of an extensive range of medical appliances. These medical appliances are either disposable or can be used several times. Some medical adhesives and sealants are ideal for fixing an extensive range of substrate surfaces including plastics, metals, and rubbers, whereas others are suitable for skin applications.
[化学原料和化学制品制造业] [2017-08-28]
APAC led the global laundry care products market with a share of 37.25% in 2016, and will continue its lead over the forecast period. The region's large population, increasing disposable income, and growing demand for hygiene and health products are key factors that drive the sales of laundry care products here. The growing demand for fragranced products is also likely to drive sales in the region. Church & Dwight, Henkel, P&G, The Clorox Company, and Unilever are popular vendors that operate in APAC.