查询词典 wood rays

Dendrochronology establishes the age and provenance of the wood; three-dimensional X-rays show up exactly how thick and dense it is, millimetre by millimetre; and spectrometers reveal the composition of the varnish.

树轮年代学揭示了这些木材的年龄和产地；三维的X光技术以毫米的精度展示了这些木材精确的厚度和密度；分光计揭示了这些清漆的成分。

The wood structures of Lauraceae were characterized by most diffuse porous; most pores solitary, less multiple and cluster pores; simple and scalariform perforation with few bars; most solitary pore; alternate intervessel pitting; most of rays multiseriate, less uniseriate; all of rays heterogeneous, mostly heterogeneous Ⅲ and Ⅱ type rays; most of axial parenchyma paratracheal type, less banded or marginal type; oil cell and mucilage cell in axial parenchyma cell or ray cell; mostly fiber tracheid and libriform fiber, less septate fiber.

结果表明：除檫木外，其它木材的管孔分布均为散孔材，具较高的单孔率；导管分子穿孔板兼有单穿孔和梯状穿孔2种或者仅具有单穿孔；导管间纹孔式为互列；导管－射线间纹孔式类型丰富，主要为刻痕状和大圆状。木射线有单列和多列射线2种类型，单列射线稀少、短，多列射线数量多；射线组织主要为异形Ⅲ和异形Ⅱ；轴向薄壁组织以傍管状为主，少数有带状或轮界状。油细胞和粘液细胞普遍存在于射线薄壁细胞或轴向薄壁细胞中。木纤维由韧性纤维和纤维管胞组成，部分树种具分隔纤维。

60Co-γ rays irradiation at the dose of 60 Gy also prevent the mature larvae of A.glabripennis in poplar wood from pupation completely.

射线辐照杨树木段中光肩星天牛幼虫的结果也表明，60Gy能够100%阻止老熟幼虫化蛹。

She belonged to the society of the Virgin, wore a white veil on certain festivals, mumbled special orisons, revered "the holy blood," venerated "the sacred heart," remained for hours in contemplation before a rococo-jesuit altar in a chapel which was inaccessible to the rank and file of the faithful, and there allowed her soul to soar among little clouds of marble, and through great rays of gilded wood.

她是童贞圣母善堂的信女，在某些节日她戴上白面罩，哼哼唧唧念着一些特殊的经文，拜&圣血&，敬&圣心&，跟着许多忠实的信徒一同关在一间小礼拜堂里，待在一座耶稣会式样的古老祭台前凝视几个钟头，让她的灵魂在几块云烟似的云石中和金漆长木条栅栏内外往复穿越飘游。

Rays can penetrate through many materials,such as wood, cloth and thin sheets of aluminium.

射线能够穿透许多材料，例如木材、布和薄铝板。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。