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The slurry mixture obtained then carried out a viscosity test with digital viscometer NDJ 8S using rotor number 2 and rotor speed of 30 rpm.
In addition, it appears that irregular grain shapes with small size.
However, irregular grain shape with a wide particle size distribution is advantageous because it can provide an interlocking effect that can make the coating layer dense and evenly distributed[11]. 40µm 40µm 40µm c b a 40µm 40µm 40µm f e d Figure 4.
Acknowledgement This research is conducted under research grant by Directorate of Research and Community Service University of Indonesia “Hibah Publikasi Internasional Terindeks untuk Tugas Akhir” with agreement number NKB-0721/UN.R3.1/HKP.05.00/2019 References [1] U.

The issue of the urban environment decoration, which is the residence place for a considerable number of people who seek aesthetic pleasure, has continuously been the task of urban architecture authority and it is quite successfully performed [1-4].
Properties of the soil taken for research Grain size composition/distribution, % Grain size, mm 2-1 1-0.5 0.5-0.25 0.25-0.071 <0.071 0.4 1.6 32.8 60.2 5 Liquidity limit, % 7.5 Optimal humidity at maximum density, % 7 Maximum density at optimal humidity, g/cm3 2.148 Table 2.
The approach applied to the experiment enables the use of mathematical planning to accelerate the time of its implementation and reduce the number of samples without losing the intermediary results and with sufficient statistical evidence.

PLGA grains (LA/GA=70/30, Mw=7.31×105, Mn=3.19×105, PI=2.29) were provided by Institute of Chemistry, Chinese Academy of Sciences.
PLGA grains were thoroughly dissolved in 1,4-dioxane.
Acknowledgements We would like to thank the Hi-tech Research and Development Program of China for supporting this work under grant number 715-009-0160.
This work is also supported by the National Natural Science Funds of China under grant number 30300356, 50577067.

Because of air pollution, the patients with lung cancer has increased 45.6% in China in the past 30 years, but the number of smokers has not significantly increased according to authoritative statistics.
The second particles of PM2.5 can be produced (gas →grain) by chemical multiphase reactions, such as tiny particles transformed by ordinary gaseous pollutants.
Coagulating Technology to Remove Ultra-fine Dusts The coagulation will agglutinate ultra-fine particles together to form larger grains so as to be captured by a dust-removal equipment.
(in 2004) carried out a research on the dust charged by corona between two plates and the coagulation in an alternating electric field (160 -500Hz) between two plates, and the results show that the number of particles less than 1μm decreased by 25- 29 % [5].

The range of chemical composition of Portland cement is shown in Table 1, which lists the minimum, average and maximum values for a large number of samples analysed [1].
Chemical analysis data [1] on major and minor constituents of Portland cements (wt%) Component Minimum Average Maximum Samples Average (100%) CaO 58.1 64.18 68.0 284 67.06 SiO2 18.4 21.02 24.5 284 21.96 Al2O3 3.1 5.04 7.6 284 5.27 Fe2O3 0.16 2.85 5.8 284 2.98 MgO 0.02 1.67 7.1 284 1.75 K2O 0.04 0.70 1.7 280 0.73 Na2O 0 0.24 0.8 263 0.25 SO3 0 2.58 5.35 280 - Free lime 0.03 1.24 3.68 132 - Total 99.52 100 The main composition studied was based on a maximum number of 7-components (i.e.
The C/S ratio of an interstitial glassy phase reported by [4] was reduced from 6.55 to 5.08, and microstructural investigations showed that C2S grains started to dissociate and leave a dendritic skeleton behind. 0 10 20 30 40 50 60 70 80800 1000 1200 1400 1600 1800 Temperature (οC) Mass (%) 7 Comp. 5 Comp 4 Comp b 0 10 20 30 40 50 60 70 80800 1000 1200 1400 1600 1800 Temperature (C) Mass (%) 7 Comp 5 Comp. 4 Comp a 0 10 20 30 40 50 60 70 80 1450 1350 1250 1150 1050 950 Temperature (°C) Mass (%) C3S Liq C2F KC23S12 C3AC2S is usually observed as the β-polymorph in Portland cement clinkers not as the γ-polymorph, typically containing 4-6% of other oxides [3].
K2O released deposits in the grain boundary or in the intra-crystal cracks within the αC2S, as documented by Chan et al. [5] who reported that the final K2O content could be a maximum of around 1.2% in α-C2S, which on further cooling converted to β-C2S stabilised by the presence of the K2O.

Antibacterial properties: The Escherichia coli were used to investigate the antibacterial properties, the number of bacteria was obtained by the method of enumeration tests.
Table 1 Thermal Stability of Cu-Antibacterial White Carbon Black Modified by Surfactant Test item Temperatures(oC) 400 500 600 700 800 900 1000 Appearance color white white white white white white white Average grain diameter(μm) 5 5 5 5 5 5 5 Bacteriostasis rate(%) 98 98 97 98 98 98 97 Analysis of Light Stability.
Table 2 Light Stability of Cu-Antibacterial White Carbon Black Modified by Surfactant Test item Light source Sunshine Fluorescent light Appearance color white white Average grain diameter(μm) 5 5 Bacteriostasis rate(%) 98 98 Therefore, the Cu-antibacterial White Carbon Black modified by surfactant, which has good thermal and light stability, is appropriate to be added to materials and made antibacterial product.
The antibacterial experiment is performed by calculating the number of bacteria.

In order to keep hot bitumen on the surface of the mineral material grains during the storage and transportation of SMAM, the special stabilizing (structuring) additives that increase the thickness of the film binder are added to them.
We can assume that this is due to the presence on the crushed cardboard surface of the significant number of interwoven filaments, covered with bitumen membranes, which provide resistance to the binder stretching, and can compress like a spring.
CONCLUSION At the interaction of bitumen and fine-grained paper the light oily fractions of organic binder penetrate deep in the micropores.
Work performed as part of the competition in 2014 projects oriented basic research on interdisciplinary topics, conducted jointly by the Russian Foundation for Basic Research (RFBR) and the Government of the Belgorod region under contract number 14-41-08027 NC / 14, as well as the state task Ministry of Education and Science of the Russian Federation №1950.

A number of nonlinear acoustic techniques based on harmonic generation [13-14], frequency mixing [15-17], acoustoelastic effect [18-19], dynamic resonance characteristics [20-21], crossmodulation technique, cascade modulation method, or cascade crossmodulation [22] have been developed to monitor damage and progressive damage in various materials such as concrete, metallic structures, composites [23-24].
(4) As the amplitude of the reference signal depends on a number of factors varying from sample to sample (e.g. the quality of acoustic contacts, the absorption of laser radiation by the sample surface), the normalization coefficient is introduced to the formula (4).
Vogel, “Neutron diffraction study of the contribution of grain contacts to nonlinear stress-strain behavior,” Geophys.
Schubnel, “Effects of pore collapse and grain crushing on ultrasonic velocities and V-p/V-s,” J.

Simulation model and method We use a coarse-grained model for the system consisting of two solid walls coated with polymer chains.
In two parallel (100) surfaces the spacing of bead is d=1.5874, and the adsorption density σg denotes the number of adsorbed chains per unit area.
The diblock copolymer chains are modelled using a widely utilized coarse-grained bead/spring model.
With the A-block length increase at fixed N=32, the total number of B-block is decreased.

Because the hardness of stainless steel is relative low the sand grain and the adhesion thing fell off will scratch the surface of the surface of the hole.
Table 1 Proportion of each ingredient of oilstones Number of oilstones 1# 2# 3# 4# 5# 6# 7# Ingredient of Abrasive GC SA GC SA GC SA GC WA GC WA GC WA GC Proportion of each ingredient（%/%） 90 10 80 20 70 30 90 10 80 20 70 30 100 It is known from the honing experiment analysis[2] that the grinding efficiency of the oilstone with green silicon-carbide abrasive is higher, but the larger proportion of green silicon-carbide abrasive is, easier the oilstone is to break down.
Table 2 Proportion of the ingredients of oilstones Number of oilstones 1# 2# 3# 4# 5# 6# 7# Ingredient of Abrasive SA GC SA GC SA GC WA GC WA GC WA GC WA Proportion of each ingredient（%/%） 90 10 80 20 70 30 90 10 80 20 70 30 100 It is indicated from the honing experiment analysis [3] and the grinding ratio of several oilstones (Figure 2) that the grinding effect of oilstone No. 4 is the best according to either the grinding efficiency or adhesion situation in honing stainless steel.
According to the properties of austenite stainless steel, the oilstone with higher hardness and bigger grain abrasive may be adopted in rough honing so as to cut off more margins quickly and make preparation for finish machining.