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Application of ADP in the Study of Sediment Resuspension in Lake Taihu

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Application of ADP in the Study of Sediment Resuspension in Lake Taihu by Luo Liancong, Zhang Fabing.

Traditionally, it is absolutely difficult to collect SSC data(suspended sediment concentration) in the whole lake and impossible decide time derivation of with small interval either. Based on acoustic backscatter theory, this paper presents denary logarithmic relationship between emended ADP signal strength Lake Taihu condition that components suspended do not change dramatically. Verification also conducted based observation made at Wugui island July 2002. The satisfactory results suggest method available has bright prospect determining SSC.

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Informe Mensual del Mercado Laboral. Julio de 2019

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Informe Mensual del Mercado Laboral. Julio de 2019 by Fedesarrollo.

Actualmente la decision de las personas trabajar en una empresa o otra no esta determinada exclusivamente por el incentivo monetario sino tambien prestaciones economicas. De hecho, los trabajadores cada vez estiman mas aspectos, tales como posibilidad pasar tiempo con su familia y desarrollar sus gustos personales. En encuesta Glassdoor se encuentra que 79% empleados Estados Unidos reportan preferencia beneficios nuevos adicionales lugar un aumento salario monetario. Como resultado, nuevas tendencias organizacionales estan propendiendo esquema laboral incluya monetarios para empleados, fin conciliar vida personal. Dichas economicas han denominado emocional abarcan politicas flexibilidad del horario teletrabajo, entre otras. La implementacion esas medidas ha tenido impactos positivos
en empresas. acuerdo estudio Consejo Asesores Economicos Casa Blanca (2014), empleadores adoptado practicas trabajo flexible mencionan serie economicos reduccion ausentismo rotacion trabajadores, asi mejoras capacidad atraer retener a ultima instancia traducen mayor productividad. No obstante, aplicacion es viable algunos sectores naturaleza intrinseca ocasiones existe percepcion desfavorable parte terminos efecto negativo sobre probabilidades ascenso. El objetivo este Editorial analizar concepto posibles efectos mercado laboral. Adicionalmente, realiza recuento algunas estas pais.

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Aphid resistant characteristics and the relations with physical characteristics of sorghum

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Aphid resistant characteristics and the relations with physical characteristics of sorghum by Chang Jin-hua.

Aphid resistance characteristics and the relations with physical of different sorghum genotypes were studied under natural condition. The results show that aphid-resistance are controlled by dominate gene. Compared susceptible traits, leaves color resistant traitl ‘henong16’is light, wax content is lower surface more smooth ,the cells in Order tightly connect each other.

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Influence of embryos culture environment on the pregnancy rate

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Influence of embryos culture environment on the pregnancy rate by Hu Bo.

Objective: To investigated the Influence in vitro embryos culture environment on pregnancy rate so that to establish more suitable system of embryos.Methods: Two media were used two groups.The first was HTF and IVC-ONE system(maintaining 37℃,relative humidity,5%CO_2) which 58 IVF-ET cycles,and second EBSS system((not) maintaining 21 cycles.The fertilization rate,cleavage rate,good embryo rate,embryo imbed compared between these groups.Results: There significantly higher rate(19.75%,44.82% respectively) group as those group((2.32%,) 9.52% respectively).There no significant differences groups(76.39%,76.01%,41.86% 74.88%,72.46%,38% respectively).Conclusion: can improve significantly.

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Effects of alkylaluminum on the performance of Ziegler-Natta catalyst for 1-butene polymerization

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Effects of alkylaluminum on the performance of Ziegler-Natta catalyst for 1-butene polymerization by Cui Lijua.

The effects of five different alkylaluminums as the cocatalyst on liquid-phase bulk polymerization 1-butene over Ziegler-Natta catalyst system were investigated in a two-liter stainless steel reactor.Alkylaluminums included triethylaluminium( AlEt3),triisobutylaluminium[Al( i-Bu)3]and three mixtures with proportion AlEt3and Al( i-Bu)3. results indicated that compared single alkylaluminum,the catalytic activity catalysts consisted i-Bu)3for was obviously enhanced,and highest 13. 5 kg·g- 1under condition n( triethylaluminium) ∶ triisobutylaluminium) = 100∶ 100. When mixed alkylaluminum used cocatalyst,the hydrogen senditivity best among systems.

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Mindre arbete. Samma lön. Ökat välmående? Kan införandet av sex timmars arbetsdag med bibehållen lön leda till minskad stress och ökad livskvalitet bland vårdpersonal i Sverige?

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Mindre arbete. Samma lön. Ökat välmående? Kan införandet av sex timmars arbetsdag med bibehållen lön leda till minskad stress och ökad livskvalitet bland vårdpersonal i Sverige? by Maria Zakrisson.

Mindre arbete. Samma lon. Okat valmaende? Kan inforandet av sex timmars arbetsdag med bibehallen lon leda till minskad stress och okad livskvalitet bland vardpersonal i Sverige?

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Rotational Doppler effect in nonlinear optics

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Rotational Doppler effect in nonlinear optics by Guixin Li, Thomas Zentgraf, Shuang Zhang.

The change in pitch of a passing car engine is classic example the translational Doppler effect, but rotational shifts can also arise, as shown for circularly polarized light through spinning nonlinear optical crystal. effect electromagnetic and sound waves has been successfully applied measurements speed direction vehicles, astronomical objects blood flow human bodies1,2,3,4,5,6,7,8, Global Positioning System. plays key role some important quantum phenomena such broadened emission spectra atoms9 benefited cooling trapping atoms with laser light10,11,12. Despite numerous successful applications it fails to measure rotation frequency object when probing wave propagates along its axis. This constraint was circumvented by deploying angular momentum waves13—the so-called effect. Here, we report on demonstration shift optics. determined second harmonic generation beam crystal three-fold symmetry. We find that signal circular polarization opposite fundamental experiences three times significance optics, provides us insight into interaction moving media regime.

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Perceptual Analysis of the F-Measure to Evaluate Section Boundaries in Music

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Perceptual Analysis of the F-Measure to Evaluate Section Boundaries in Music by Oriol Nieto, Morwaread Farbood, Tristan Jehan, Juan Pablo Bello.

In this paper, we aim to raise awareness of the limitations F-measure when evaluating quality boundaries found in automatic segmentation music. We presentanddiscusstheresultsofvariousexperimentswhere subjects listened different musical excerpts containing boundary indications and had rate boundaries. These were carefully generated from state-of-the-art algorithms as well human-annotated data. The results show that humans tend give more relevance theprecisioncomponent Fmeasure rather than recall component, therefore making classical not perceptually informative currently assumed. Based on experiments, discuss potential an alternative evaluation based emphasizes precision over recall, section expressive reliable.

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