The total volatile basic nitrogen and free fatty acids of razor clam increased with the rise of temperature during storage at ambient temperature,+5#, and -18#, with the slowest speed at -18#, the fastest at ambient temperature The extractable protein nitrogen change was opposite to the change of TVB-N and FFA, the EPN of razor clam decreased with the rise of temperature during storage at ambient temperature,+5癈, and -18#, with the slowest speed at -18#, the fastest at ambient temperature.

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Finally, We analyze and experimentally demonstrate that both the bandwidth of the fiber Bragg grating's short wavelength loss and the bandwidth of fiber Bragg grating's reflection increase with the increase of strain gradient along the length of grating.

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The horizontal facial growth pattern displayed significantly more facial flattening and more mandibular forward rotation than did the vertical group (3)During female puberty, the increasing height of mandibular ramus take the most important role in full mandibular height increasing, while the increasing length of mandibular base take the most important role in the full mandibular length increasing.

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Fruit yields, weight of single fruit, per fruit pulp weight, fruit edible ratio, water content of sarcocarp were all increased with the increase of SWC and reached the maximum at SWC75. Soluble brix, soluble suger and titratable acid of fruit had notable or significantly notable negative-linear relations with SWC (R~2 = 0.880 7*; R~2 = 0.717 7* and R~2=0.965 1**) while pH of fruit was increased as SWC did. Brix-acid ratio of fruit was increased linearly with the increase of SWC (R~2=0.908 6*, n=50) and reached the maximum at SWC75. Suger-acid ratio also increased with SWC.

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Its amount has relation with acting load. The influence on sectional curvature of bending components is the greatest one, the ultimate curvature of corroding section decrease obviously, and the sectional curvature increases rather sharply with the increase of rust rate during the process of corrosion. The anti-cracking capacity of prestressed bending R. C. components may be damage. For the convenience of engineering usage and damage evaluation of structure, this paper presents a concept of sectional damage coefficient on the foundation of experimental and treatment study.

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Nano-Fe_3O_4 can induce DNA single-strand breaks without significancy and can not induce micronuclei formation and percentage of apoptosis. Nano-Fe_3O_4 can aggravate the effect of CdCl2 on DNA single-strand breaks and chromosome damage in HepG2 cells. They showed synergistic effects on DNA single-strand breaks after the data were statistic analyzed.

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After pretreatment with TFP, although the conductance of cultivate solution of strawberry seedling under NaCl stress was not increased, growth was inhibited obviously by TFP, while the leaf relative electric conductivity in strawberry increased, leaf holding ability was reduced. The inhibiting response increased with the concentration of TFP increasing. On the contrary, conductance in cultivate solution was increased by Ca(NC?3)2 treatment, but the leaf relative electric condu

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The results indicate seawater concentration has no effect on absorbency, pH, relative density, dry matter and water contents in Aloe vera leaves. While, seawater stress causes increased MDA and membrane penetration, decreased phytochroms, prolines and NO_3~--N. It is beneficial to plant growth when irrigation was done with 10% seawater, because of higher ratio of K~+/Na~+ and lower ratio of Na~+/Ca~(2+). In addition, the polysaccharide contents in Aloe vera leaves increase twice and triplication under 25% and 50% seawater irrigation respectively, the barbaloin contents increase over triplication in var. 75% seawater and over twice in var. 50% seawater and var. 100% seawater. However, when seawater concentration exceeds 25% the growth of plant was inhibited, biomass decreased, flowering time was deferred, Ca~(2+) content decreased caused by Na~+ accumulation in leaves.

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Studied the solid particles cyclone separation under structural parameters and operating parameters of different hydrocyclone, the results showed that major factor influence split ratio is in the ratio of entrance to exit pressure of hydrocyclone. Exit pressure has a certain influence on the split ratio, the various of the diameter and cone angle of hydrocyclone (in the ratio of entrance to exit pressure is constant) have no influence on split ratio; With diameter and cone angle increase, the separation granularity gradually increasing and recovery ratio decreasing; With entrance pressure increase, the separation granularity of hydrocyclone decrease, the split ratio of underset will increase slowly; With the diameter of overflow pipe increase, the separation granularity of hydrocyclone increasing and recovery ratio decreasing; With the diameter of underset pipe increasing, the separation granularity of hydrocyclone decreasing and recovery ratio increasing.

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The plant community composition changed and the community coverage increased over the wetland succession from primary swamp, through swampy meadow, to meadow. The number of associated species increased, while the dominant species abundances decreased. Through succession, the content of soil organic matter and total nitrogen declined. In contrast, the soil enzyme activity of catalase, protease and invertase increased; however urase declined.

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