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There are engineering capability index CP in Quality Management Science, the meaning is the ratio of measured parameter tolerances of the workpiece (T) and dispersion range of output workpiece parameters (6σ)[1]
In the drawings and technical documents, such quality characteristics only have unilateral lower tolerance, for example: the strength of material, lifetime of the product, withstand voltage of insulation, and some special provisions for certain process documents, all belong to this category.
Conclusion In the modernization drive, measurement science is an essential technology foundation.
References [1] Y.Q.Sun: submitted to journal of China Metrology, Vol. 3 (2011), p. 41 [2] J.S.Lu.industrial measurement Vol.S1 (2001) [3] Information on GB/T 19022-2003, Measurement Management System (2003) [4] W.Zhang, G.M.Zhao, submitted to journal of Advanced Measurement and Laboratory Management, Vol. 3(2010), p.55-57 [5] D.H.Han; submitted to journal of Science and Technology of Datong Coal, Vol.1 (2007),p.30-32 [6] J.X.

The following raw materials were used to prepare the repair mixture (to seal cracks, splits, and make up for brick losses).
A comparative analysis of elements in the chemical composition of bricks, mineral raw materials and repair mixtures is given in Table 2.
Subbotin, Features of using building materials in the restoration of architectural and town-planning heritage, Construction Materials and Products. 2(3) (2019) 85-89
Al-Mukhtar, Valorization of crushed bricks in lime-based mortars, Construction and Building Materials. 226 (2019) 555-563
Yurievich, The role of the law of affinity structures in the construction material science by performance of the restoration works, Research Journal of Applied Sciences. 9(12) (2014) 1100-1105

The components of the kernel nut and shell separating machine were designed and fabricated from locally available materials using manufacturing methods explained in the paper.
Materials and Methods The machine has a hopper through which the cracked palm kernels (nuts and shells) are introduced to a rotating cylinder.
Ale, Development of Palm Nut and Fibre Seperator, Journal of Engineering and Applied Sciences, 5 (2010) 10-15
Jackson, Experimental Study on Palm Kernel Shells as Coarse Aggregate in Concrete, International Journal of Science & Engineering Research,3(2012),1-6
H.Ryder, Strength of Materials, 3rd Edition, Macmillan Publishers India Limited, (2002).

The author Dhaval Sangani et al presents the added abrasives increased the range of materials, which can be cut with a Watergate drastically.
It is used for cutting a wide variety of materials ranging from soft to hard materials[10]. 3.
Materials Today: Proceedings 22 (2020): 726-736
International Journal of Engineering, Science and Technology 10.2 (2018): 37-49
Materials Today: Proceedings 26 (2020): 1032-1036.

To solve the problem of network congestion, engineers majoring in computer science, communication and physics have made great efforts in expanding the channel capacity, changing transmission material, improving network facilities and the like.
Here lists some other suggestions to solve the problem of network congestion: 4) Continue to apply technology like improving materials of network, broaden the bandwidth and so on.
[2] Junfeng He, Yi Zheng, Mingyong Lai, “A Utility Model based on Network Congestion Pricing Strategy,” Journal of Hunan University(Social Sciences), vol 25.
A358, pp.2335–8,2000. http://www.statslab.cam.ac.uk/~frank/smi.html [5] Junfeng He, Yi Zheng, Mingyong Lai, “A Utility Model based on Network Congestion Pricing Strategy,” Journal of Hunan University(Social Sciences), vol 25.
[6] Scott Shenker, “Fundamental design issues for the future Internet,” (Invited Paper) IEEE journal on selected areas in communications, 1995, 13(7), pp.1176–1188

Materials and methods Breeding of Pinctada martensii.
Acknowledgments This study was supported by Natural Science Foundation of Guangdong Province, China (NO.
Journal of Molluscan Studies, Vol. 72(2006), No. 2, p. 157-162
Journal of Fish Disease, Vol. 18(1995), No. 4, p. 317-328
Journal of the American Chemical Society, Vol. 95(1973), No. 14, p. 4493-4501

China 2Key Laboratory of Pulp and Paper Science and Technology of Ministry of Education, Shandong Polytechnic University ,Jinan, Shandong 250353, P.
Alkaline lignin can be applied to agriculture, forestry, oil industry, high polymer material and so on.
Experimental Materials.
Journal of Pulp and Paper Science, 2002,28(2):50-54
[3] S Wu, DS Argyropoulos., An improved method for isolating lignin in high yield and purity, Journal of Pulp and Paper Science, 2003, 29 (7): 235-240

Materials and Methods Figure 1. shows three designs of air cap nozzle; i.e., original air cap (without inner grooves), modified air cap nozzle by adding 2 and 4-grooves, produced by a 3D printing process using AlSi10Mg powder as the base materials.
In book: Production, Properties, and Applications of High Temperature Coatings, university of Tehran, Iran & Materials and Energy Research Center, Iran, p. 246-267 (2018)
Oksa, et.al.: Optimization and Characterization of High Velocity Oxy-Fuel Sprayed Coatings: Techniques, materials, and Applications, Coatings, Vol.1, Issues 1. (2011)
[7] E.Martides, et.al: The Influence of Particles Size and Composition Variation of NiCr-CrC(20NiCr) Metal Matrix Composites Coatings Properties on Boiler Tubes Application, Materials Science Forum,Vol. 889, p. 30-35, (2016)
Kumar: Thermal Spray Coating: A Study, International Journal of Engineering Sciences & Research Technology, 7(3), p. 610-617, (2018)

Journal of engineering mechanics, 1995, 12 (3): 71-76 [6] B.S.
Shear wall structure in strong method to determine the optimal location and number of coupling beam [J] Xi’an building university of science and technology journal (natural science edition), 2006, 38 (l) : 77-82 [9] Zhang Gang.
International Journal of Reliability and Safety, 2001, 2(3):209-240
JSME International Journal，2006，49(3):779-788 [13] Yuehua Gao, Xicheng Wang.
Journal of materials processing technology 209 ( 2009 ): 1302-1309

Cowgill, Uranium for hydrogen storage applications: A materials science perspective, Sandia Report 5195(2010) 1-17
Longhurst, Storage and assay of tritium in STAR. in 7th International Conference on Tritium Science and Technology. 2004
Ablitzer, Pyrophoric behaviour of uranium hydride and uranium powders, Journal of Nuclear Materials 396(2010) 294-302
Leider, Isotopic shifts of the unit cell constants of the a and β tri-hydrides of uranium: UH3, UD3, UT3, Journal of Nuclear Materials 60(1976) 231-233
Zhang, Electronic, mechanical and thermodynamic properties of a-UH3: A comparative study by using the LDA and LDA+U approaches, Journal of Nuclear Materials 430(2012) 137-141