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However, radio frequency signals are easily affected by surrounding environment, such as metals, water, and so on.
The hardware environment of the experiment: a P4 2.8GHz CPU, a memory of 1GB, Windows XP Professional SP2.

Introduction Pasta are the product made ​​from the dried wheat dough kneaded with water.
Professional development for design and construction of especially dangerous, technically difficult and unique objects (2012) Construction of Unique Buildings and Structures, pp. 74-76

Water_hg@126.com Keyword: parameterization design; rational creation; development; influence Abstract: With development of nonlinear construction theory and digital technology, parameterization construction design has drawn extensive attention in construction industry as a new method of solving complex problems in construction.
In previous design, such profession delivery means that professional designers have to design a new drawing and most time in the project cycle is spent on profession connection.

The problem that had been faced by almost fertilizers manufacturer are (1) water seeps thru the hole that have been sew at the ends of the woven bag and (2) the manual process of inserting polypropylene bags requires a large number of manpower and time consuming.
Peter Smith, "Actuators," in Valve Selection Handbook (Fifth Edition), Gulf Professional Publishing, (2004), pp. 293-307

To be detailed, 1% phenolphthalein solved in ethanol, or a mixed solution composed of 70% ethanol and 30% water was prepared[17], and the solution was sprayed on freshly split concrete surface from laboratory (or sprayed on freshly drilled sample from concrete structures in-site) , and, based on the colorless area of the tested specimen, the carbonation depth can be calibrated.
Searching from another dimension, there are a large number of natural pigments in nature, among them, anthocyanins[33,34,35], includes a class of water-soluble natural pigments.
In 2021, DTA-TGA tests were used to quantify the lost water content from portlandite, C-S-H and ettringite.
Given that free water molecules are preserved in the internal pores, NMR techniques derive the pore features within the concrete by capturing the distribution of hydrogen atomic signals inside the water molecules.
Most of these micro-detection techniques can achieve cross-professional applications, such as CT and NMR technologies are widely used in medical diagnostic methods.

Of the 19th century, with the slide, silent films, radio, television, projection and other audio-visual media development, people began to make use of these technologies for teaching media The most professional technical equipment of this period in America is the teaching machine Pleasant created by West in 1924[9].
[10] Cheng Water Park. from the technology of Educational Technology in the past, present and future

(2) Invite the professional, knowledgeable and sophisticated experts with practical working experience to score
Referring to the current quota index and market price for the state and provincial project budget and taking into consideration the similar project, 1.67 billion RMB will be invested to AUST new campus, of which 0.36 billion RMB was for the land cost, 0.073 billion RMB for the early stage of the project, 0.876 billion RMB for the construction and installment, and 0.159 billion RMB for the infrastructure (including road, planting, watering, electricity, etc.) and 0.057 billion RMB for other charges.

Besides endemics，professional diseases and nutrition deficiency are also relate to the trace elements．The World Health Organization(WHO)has reported that heart diseases are principal cause of human death．In l985，the death rate of the heart disease was highest in ten kind of diseases in the cities of China，the death rate was 23.39％ in total higher than the death rate of cancers which was 20.12％。
In 1985 Luoma discovered the acute myocardial infarction was related to Ca and Mg Concentration in water in Finland.

n Soft substrate packaging ‒ Design and production of such components need support from professional manufacturers.
The luminous effect is quite good, and the durability is also good enough for washing with water.

Research on Risk Early-warning of Information Technology Outsoucing Project Based on Neural Network Huang Kun1, a 1Research Institute for Science of Water Transport Economy, Scientific Research Academy, Shanghai Maritime University, Shanghai 201316, China azhhkun@263.net Keywords: Information technology outsourcing; Risk early-warning; Neural network Abstract.
As the core enterprise, S company, relying on several IT providers in strategic cooperation status, with professional service, market-oriented operation and contract management as the means, gradually realize the computerization of acquisition and processing of various information, the networking of information transmission, the digital management of information resources, the generalization of information coverage and information application, hence, good investment benefits are obtained.