Changes in morphological indexes, chlorophyll mass fraction, malondialdehydel molal concentration and protective enzyme activities of Hosta×hybrida 'So Sweet', Aspidistra elatior 'Punctata', Speirantha gardenii with shading treatments of 50%, 75%, 90% and a control of 0% were studied using the subordination function method.

對花葉玉簪甜心Hosta×hybrida 'So Sweet'无码A片在线免费看片，花葉蜘蛛抱蛋Aspidistra elatior 'Punctata'和白穗花Speirantha gardenii等3種地被植物進行不同程度遮光處理，研究了遮光條件下3種植物形態(tài)指標又粗又黑又长欧美视频、葉片葉綠素質(zhì)量分數(shù)性生活免费播放视频欧美、丙二醛質(zhì)量摩爾濃度和保護酶活性的變化。

2According to requirement of suppressing stray light in two-mirror system, vertex coordinate formulas of inner baffle are deduced based on geometrograph in the case of certain obscuration, viewing field and vignetting. In order to reduce the obscuration, conical baffle of secondary mirror is ameliorated into a shutter one. Outer baffle is designed when angle of stray light suppressing is foregone and the vanes are designed in C-language program. Finally, the same-height vanes in drawtube between primary and secondary mirrors are designed for further suppressing the stray light in two-mirror system.

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A R-C system with foci of 2 m and f-number F/4 was taken for an example, the principles of stray light eliminating and evalutiong in reflective optical system was put forward. Lens hood in the main mirror, lens hood outside and window shade, lens hood in the secondly mirror were designed by CAD modeling.

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So far, none of star sensor prototypes has been found equipped with lens hood in native missiles. For improving engineering practicability of star sensor and reducing noise of space scattering lights, designing and selecting of lens hood parameters of star sensor and engineering amelioration of prototype were brought forward, based on design principles and correlative data of foreign missile, which regard lens hood of space star sensor.

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We investigate the incidence of blotchy ripening fruit in different shading periods, different levels of light shading intensity and in condition of the alternating of the light. The growth-development and physiological-biochemical metabolism changes of plant in different treatments are researched and the differences of normal and blotchy ripening fruit was compared in order to study the probable mechanism of the blotchy ripening fruit.

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F. pumila had the strongest capacity to adhere to walls, and it formed a quite good covering landscape by means of a large quantity of adventitious roots. Furthermore, it was tolerant to shade, and the effects of shading on its growth and landscape covering were very small. P. heterophylla had the rapidest growth and covering speed, and it adhered to walls by adhesive discs, but was defoliated in winter or after a long period of shading. The other three vines climbed walls using adventitious roots, and their adhering capacities were all relatively poor. However, E. fortunei still formed a relatively good covering due to its rapid growth and emerald leaf colour. After shading for four months, leaves of F, pumila, C. grandiflora, and P. serpens became thin, and accordingly their leaf weight per unit area significantly decreased. Shading also reduced chlorophyll contents of C. grandiflora and E. fortunei but enhanced those of F. pumila and P. serpens, It did not influence leaf thickness, leaf weight or chlorophyll content of P. heterophylla. Whether shaded or not, the relationship between Pn and PAR for each species could be expressed as y=alnx+b, and furthermore there was a significant (P.01) correlation between them. Pn and LCP values for all five lianas also significant (P.01) correlated. Shading reduced LCP values of P. heterophylla, C. grandiflora and E. fortunei but increased LSP of F. pumila.

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The invention discloses a LCD panel, colorful filter piece and making method, which comprises the following steps: providing a base; forming a buffer material layer on the base; forming patterned lightproof layer on the buffer material layer; adopting patterned lightproof layer as lid to pattern the buffer material layer to form a patterned buffer layer; forming a separating piece through patterned lightproof layer and patterned buffer layer; making the separating piece form multiple pixel areas on the base; forming a colorful filter layer in each pixel area.

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The effects of low irradiance on chlorophyll a fluorescence kinetics were studied in two eggplant Solanum melongena L.

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Solar film shades - Window film blind, sun control blind, solar film blind, roller blind, vertical blind, protects against fading, protect eyes and skin, glare reduction, One way vision mesh, Daytime privacy.

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Shading experiments were designed according to low light intensity problem caused by intercropping system of peanut with maize or wheat et al. Fenghua1 and Fenghua2 were adopted in the experiment of four light intensity levels (CK in which the plants were grown under natural light, 27% shading, 43% shading and 77% shading), which carried out at three growth stage using black sunshade net. And the three stages were seedling phase, pod-setting phase and pod-maturing phase. The aim of this study was to investigate the effects of low light on the photosynthetic characteristics, luminous energy distribute of PSⅡ, RuBPCase activitiy, plant morphogenesis, dry matter production, pod yield and quality of peanut at different stages, defined the relationship between dry matter accumulation and PAR, relationship of efficiency for solar energy utilization and PAR, and then set up the ...dry matter production and yield formation model on the basis of the experimental data.

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goldenrod paper：遮光紙

遮光罩 rayshade | 遮光紙 goldenrod paper | 遮光紙 masking paper

Lens hood：鏡頭遮光罩

鏡頭遮光罩(lens hood)的主要用途是避免不必要的光線進入鏡頭,引起畫面上產(chǎn)生眩光. 這種遮光罩除非是為某些鏡頭特殊設計的,否則意義不大. 因為現(xiàn)在一般的鏡頭上已加有一層防眩光的薄膜. 目前有一種可以調(diào)節(jié)的遮光罩比較實用.

Lens hood：鏡頭遮光罩,鏡頭遮光罩,透鏡遮光罩,遮光罩,物鏡遮光罩

lens holder 透鏡架,鏡頭支架,鏡頭支架 | lens hood 鏡頭遮光罩,鏡頭遮光罩,透鏡遮光罩,遮光罩,物鏡遮光罩 | lens impaction 晶狀體嵌塞

sunshade：遮光罩

mask 遮光黑紙 | sunshade 遮光罩 | tripod 三角架

window shade paper：遮光窗紙

window shade cloth 遮光窗簾布 | window shade paper 遮光窗紙 | window shade 遮陽窗簾

window shade cloth：遮光窗簾布

window screen 窗紗 | window shade cloth 遮光窗簾布 | window shade paper 遮光窗紙

Lightproof：遮光的

Light-tight 遮光的 | Lightproof 遮光的 | Matte Black無光澤的黑色

louvered ceiling：遮光的天花板

louvere brightness 遮窗板亮度 | louvered ceiling 遮光的天花板 | louvre 遮光體,百葉窗

louvers：遮光柵格

lounge hall 休息廳 | louvers 遮光柵格 | louvres 遮光柵格

louvres：遮光柵格

louvers 遮光柵格 | louvres 遮光柵格 | low alkali cement 低堿水泥