作者: 芳香一點(diǎn) 時間: 2025-3-21 22:22
Growth Rings,ods by Record (1942a). Chowdhury attempted to compare growth rings in these species to all relevant factors: temperature, light, rainfall, humidity, foliar development, locality (e.g., microclimates), and “internal factors” (e.g., growth-promoting substances). Chowdhury concluded that the factors ar作者: 豐滿有漂亮 時間: 2025-3-22 01:30
Vessel Elements,brane (which dissolves) at maturity, thus forming perforations. Despite lysis, a perforation may retain membrane remnants. Perforations characteristically occur on end walls (“overlap areas”); the end walls are thus perforation plates. Vessel elements are regarded as specializations of tracheids in 作者: Fracture 時間: 2025-3-22 05:52 作者: 哺乳動物 時間: 2025-3-22 09:12
Axial Parenchyma,ial parenchyma cells are usually thinner walled than the imperforate tracheary elements with which they are associated. Each cell in a strand of axial parenchyma is usually surrounded by a secondary wall. This definition excludes living fibers, which have contents living at maturity but which tend t作者: DAUNT 時間: 2025-3-22 16:46 作者: DAUNT 時間: 2025-3-22 19:26
Cell Contents, Secretory Structures,ganographic distribution. By “organographic distribution,” one means whether crystals are present in rays, axial parenchyma, or imperforate tracheary elements, whether they are in all cells or only part of them in any of those tissues, and whether crystals are distributed in all parts of a plant and作者: disciplined 時間: 2025-3-22 21:37
Cambial Variants (Anomalous Secondary Growth),the most common “normal” condition, namely, a single cylindrical cambium that produces phloem externally and xylem internally. The term “variants” is employed here as a way of referring to the less common types; “anomalous” may give the misleading impression of a disorderly action.作者: Constitution 時間: 2025-3-23 03:51 作者: 擺動 時間: 2025-3-23 07:53 作者: MOAT 時間: 2025-3-23 13:10 作者: 剛開始 時間: 2025-3-23 17:38 作者: 破譯密碼 時間: 2025-3-23 20:22 作者: 扔掉掐死你 時間: 2025-3-23 22:41
Book 2001Latest editionssential for work in wood identification. The present chapter is concerned with how wood characters have been and can be used in taxonomic and phylogenetic studies - and also which wood characters are likely or not likely to be useful, in general. In wood identification, a match of an unknown wood w作者: 眉毛 時間: 2025-3-24 03:36
Sousveillance as a Tool in US Civic Polity various dilutions and with the aid of heat (as in a paraffin oven) or at room temperature can soften more effectively than hydrofluoric acid in shorter periods of time. As with hydrofluoric acid, treatment with ethylene diamine can result in swelling of certain cell walls, especially if treatment is excessive.作者: 大漩渦 時間: 2025-3-24 07:14 作者: heart-murmur 時間: 2025-3-24 12:21
Imperforate Tracheary Elements, fibers can intergrade with axial parenchyma where fiber dimorphism occurs, although little difficulty in definition is encountered in these cases. Axial parenchyma cells that are not subdivided have sometimes been termed “substitute fibers” (IAWA Committee on Nomenclature 1964).作者: impale 時間: 2025-3-24 16:09 作者: GORGE 時間: 2025-3-24 23:02 作者: conformity 時間: 2025-3-25 02:49 作者: IRK 時間: 2025-3-25 06:04
Spaces of Teaching and Learning parenchyma is usually surrounded by a secondary wall. This definition excludes living fibers, which have contents living at maturity but which tend to have thicker walls than axial parenchyma; if septate, living fibers are subdivided only by a primary wall (cf. Fig. 4.6, parts 3 and 4).作者: Canary 時間: 2025-3-25 08:02 作者: 做事過頭 時間: 2025-3-25 15:44 作者: 殺菌劑 時間: 2025-3-25 18:28
Growth Rings,oliar development, locality (e.g., microclimates), and “internal factors” (e.g., growth-promoting substances). Chowdhury concluded that the factors are interrelated, and one obtains no clear picture of which factors are primary and which are secondary in initiation and differential events within a growth ring.作者: Rodent 時間: 2025-3-25 21:22
Axial Parenchyma, parenchyma is usually surrounded by a secondary wall. This definition excludes living fibers, which have contents living at maturity but which tend to have thicker walls than axial parenchyma; if septate, living fibers are subdivided only by a primary wall (cf. Fig. 4.6, parts 3 and 4).作者: TATE 時間: 2025-3-26 02:01 作者: 強(qiáng)有力 時間: 2025-3-26 05:41
Evolution in Wood: An Ecological/Functional Synthesis,od features? (3) How polyphyletic are particular wood features? (4) How conservative are particular wood features? And (5) to what extent is evolution of particular features irreversible or reversible? Features of wood anatomy ought to obey the same neo-Darwinist principles as those operating in the evolution of other features in organisms.作者: 有抱負(fù)者 時間: 2025-3-26 10:46 作者: Somber 時間: 2025-3-26 12:41
Peter Goodyear,Robert A. Ellis,Alexi Marmothe cambium as secondary rays, while numerous other secondary rays are added by the cambium. In some herbs or woody herblike plants, many of the primary rays may be extended by the cambium with few modifications and only a small number of new wood rays added by the cambium as growth proceeds.作者: 讓你明白 時間: 2025-3-26 19:34 作者: 人類學(xué)家 時間: 2025-3-26 23:51
Computer Supported Cooperative Workone. Even if one can characterize these end products with appropriate terminology, degrees of intermediacy in expression (e.g., storying of all cell types or tissues in a wood vs. storying of some) and the interrelationships between these expressions can only be meaningfully interpreted when placed in an ontogenetic context.作者: 神經(jīng) 時間: 2025-3-27 01:54
Sousveillance as a Tool in US Civic Polityhe sliding microtome is useful because most woods have degrees of hardness suitable for this instrument. Excessively hard woods can be softened by the use of ethylene diamine (Kukachka 1977). The use of hydrofluoric acid for this purpose is disadvantageous because it requires more time than ethylene作者: machination 時間: 2025-3-27 07:57
https://doi.org/10.1007/978-3-319-49085-4ods by Record (1942a). Chowdhury attempted to compare growth rings in these species to all relevant factors: temperature, light, rainfall, humidity, foliar development, locality (e.g., microclimates), and “internal factors” (e.g., growth-promoting substances). Chowdhury concluded that the factors ar作者: inspiration 時間: 2025-3-27 10:55 作者: 加強(qiáng)防衛(wèi) 時間: 2025-3-27 16:39 作者: objection 時間: 2025-3-27 19:28 作者: 紅腫 時間: 2025-3-27 23:25
Peter Goodyear,Robert A. Ellis,Alexi Marmothe cambium as secondary rays, while numerous other secondary rays are added by the cambium. In some herbs or woody herblike plants, many of the primary rays may be extended by the cambium with few modifications and only a small number of new wood rays added by the cambium as growth proceeds.作者: Infantry 時間: 2025-3-28 02:50
Spaces of Vector-Valued Continuous Functionsganographic distribution. By “organographic distribution,” one means whether crystals are present in rays, axial parenchyma, or imperforate tracheary elements, whether they are in all cells or only part of them in any of those tissues, and whether crystals are distributed in all parts of a plant and作者: 津貼 時間: 2025-3-28 06:25
Spaces of Vector-Valued Continuous Functionsthe most common “normal” condition, namely, a single cylindrical cambium that produces phloem externally and xylem internally. The term “variants” is employed here as a way of referring to the less common types; “anomalous” may give the misleading impression of a disorderly action.作者: CLAMP 時間: 2025-3-28 13:09 作者: Excitotoxin 時間: 2025-3-28 17:18
Local theory of space and time,ssential for work in wood identification. The present chapter is concerned with how wood characters have been and can be used in taxonomic and phylogenetic studies — and also which wood characters are likely or not likely to be useful, in general. In wood identification, a match of an unknown wood w作者: 停止償付 時間: 2025-3-28 18:45 作者: Concomitant 時間: 2025-3-29 02:13 作者: 以煙熏消毒 時間: 2025-3-29 03:15
Cambial Variants (Anomalous Secondary Growth),the most common “normal” condition, namely, a single cylindrical cambium that produces phloem externally and xylem internally. The term “variants” is employed here as a way of referring to the less common types; “anomalous” may give the misleading impression of a disorderly action.作者: 誓言 時間: 2025-3-29 07:42
