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Application of PCA method to characterize strawberry Li Li 1,a , Bin Li1,b, Qi Zhang1,c , Liyan Gong2,d, Xianjun Meng1,e* 1College of Food Science, Shenyang Agricultural University, Shenyang, China, 110866 2 Institute of Food Grain Engineering, Shenyang Normal University, Shenyang, China, 110034 alili1231105@126.com , blibinsyau@163.com, c1060693786@qq.com, d gongliyan62@126.com emengxjsy@126.com Keywords: strawberry, physical and chemical properties, principal component analysis Abstract.
PC3 were shown in Fig. 2 a and b, and a number of observations might be made.

The CS base material has revealed a near-equiaxed grain comprising predominantly ferrite with small amounts of pearlite.
The morphology of the base and weld metals fractography show a ductile rupture mode characterized by a large number of dimples (Fig. 6a, 6b).

The impact of the casting method and the production process on the final orientation and distribution of the fibers have been experimentally studied through a number of different approaches.
With respect to fine-grained UHPC, the beams usually used for cement testing of dimensions 40 x 40 x 160 mm (according to ČSN EN 196-1 [8]) were also used for 3-point bending test without notch (according to ČSN EN 12390-5 [9]).

Fine grain size and mostly black thick layer of mudstones with the thickness of 231 to 682 meters were developed within Qihulin formation, containing a lot of ammonites and other marine bivalve fossils.
Table 1 Evaluation standard of hydrocarbon generating potential in coal measure strata Diagenesis Type Non-Source Rock General Medium Good Carbonaceous Mudstone TOC(%) <0.75 1．5～0.75 3～1.5 >3 S1 + S2 (mg/g) <0.5 2～0.5 6～2 >6 IH (mg/g) <50 100～50 200～100 >200 A (%) <0.015 0.03～0.015 0.06～0.03 >0.06 Coal S1 + S2 (mg/g) <20 40～20 >40 IH (mg/g) <50 100～50 200～100 >200 A (%) <0.13 0.75～0.13 >0.75 Table 2 Thermal decomposition data of the Lower Cretaceous source rock samples from Hulin basin Formation Diagenesis Sample Number TOC/% S1+S2 (mg/g) IH (mg/g) Rank Qihulin Formation Carbonaceous Mudstone 3 0.75～0.82/0.79 0.58～0.67/0.61 55.49～60.57/58.46 General Coal 3 49.43～57.35/52.99 15.29～18.23/16.98 53.15～61.32/57.30 General Yunshan Formation Carbonaceous Mudstone 3 1.74～3.38/2.62 3.05～6.13/4.68 35.32～171.55/96.04 General～Medium Coal 3 53.70～64.19/59.70 100.99～156.06/125.87 153.40～287.11/207.06 Medium～Good * a-b/c ,a- Minimum，b－Maximum，c－Average Organic matter abundance.

Security control mechanism Workflow middleware based on RBAC model, the permission for users, roles, organization, operations, and resources for the division of the fine-grained, provides the perfect safety control mechanism.
System default workload statistics analysis report can be provided according to the organization, roles or personnel statistics each people at a particular time period processing task number, average/maximum/minimum processing time, the current frequency of to-do tasks.

It's ultimate goal is to use multi-sensor joint or joint operation advantage, to improve the effectiveness of the whole sensor system, eliminating the limitations of a single or a small number of sensors.
The system is easy to implement, extended the function of the software must also can be used for livestock and poultry farms, such as grain storage preservation and other biological environment and environmental monitoring and control, has strong versatility and adaptability.

It can be seen that the calcareous sand retains a large number of internal pores in the marine biological skeleton.
Fig. 7 shows the grain grading curve of isotropic and K0 consolidated samples before and after CU and CD tests (taking 200kPa confining pressure as an example).

We established that at a certain deposition rate and substrate temperature, the two-phase magnetic structure can form in which hexagonal cobalt grains are distributed in a cubic cobalt matrix.
When processing the experimental data, we established that the line intensity (defined as the area under the corresponding absorption curve from a unit surface) per unit thickness of cobalt in the multilayer structure has the dependence presented in Fig. 2 irrespective of the number of pairs of layers n.

The ilmenite processing are mostly gravity separation, magnetic separation, electrostatic separation, flotation, and joint process, among which gravity separation and electrostatic separation are still the main process of sorting ilmenite, and for fine-grained ilmenite, mainly adopts magnetic separation-flotation process [5].
At present, the local small and medium-sized enterprises mostly adopt the way of using titanium but abandoning iron, which resulting in a large number of complex iron minerals have been discarded.

Due to the rapid solidification of laser cladding process, there will be remained some nano-particles in the clad region because of an insufficient time for grains growth [7].
Therefore, the number of cracks can be decreased.