[PDF] Top 20 Contenidos y actividades algebraicas en Educación Primaria
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Partial compression strength of sugi (Japanese cedar, Cryptomeria japonica) wood near the pith perpendicular to the grain
... [25]. Sugi has relatively nar- row latewood, and the percentage of latewood decreases with ring width ...of sugi specimens without pith was buckling due to load- ing in the tangential ...to ... See full document
10
Strength properties and effect of moisture content on the bending and compressive strength parallel to the grain of sugi (Cryptomeria japonica) round timber
... of wood that includes thinned round timber, wood should be used not only for construction products but also for civil engineering ...of wood products for civil engineering would be for under- ground ... See full document
9
The effects of wetting and scratching pretreatment of veneers on shear strength of binderless plywood made from sugi (Japanese cedar, Cryptomeria japonica)
... during compression the cells at the surface of one of the veneer layers tried to find room to match into the other ...ply- wood, in which veneers are laminated with perpendicu- lar grain directions, ... See full document
161
Application of the wood properties of large-diameter Sugi (Cryptomeria japonica) logs to sorting logs and sawing patterns
... without pith was sawn from large logs comprised a high proportion of ...without pith after kiln- drying is shown in ...without pith after kiln- drying (r = ... See full document
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Gender differences in the psychophysiological effects induced by VOCs emitted from Japanese cedar (Cryptomeria japonica)
... of wood odor have been judged for male and female participants in previous re- ports [7, 11, 12]; therefore, these results might indicate that VOCs of wood inclusive of Japanese cedar could ... See full document
6
Predicting oven-dry density of Sugi (Cryptomeria japonica) using near infrared (NIR) spectroscopy and its effect on performance of wood moisture meter
... measured using a digital caliper with a sensitivity of 0.01 mm. Each pixel of the image corresponded to an area of 0.127 9 0.127 mm 2 , and the pixels of the cross-section were counted by means of ImageJ software [38]. ... See full document
14
Variability of spruce (Picea abies [L ] Karst ) compression strength with present reaction wood
... in wood strength in the di- rection from the centre to the stem ...the compression strength parallel to grain corresponds to macroscopic features, ...late wood percentage along ... See full document
79
In vitro screening of angiotensin I-converting enzyme inhibitors from Japanese cedar (Cryptomeria japonica)
... The bioassay of three flavan-3-ols including (+)-catechin and six flavones revealed that most of these compounds have high A C E inhibitory activity. The results suggest [r] ... See full document
135
Application of activable tracers to investigate radial movement of minerals in the stem of Japanese cedar (Cryptomeria japonica)
... of Japanese cedar is probably related to certain physi- ological processes in the heartwood other than tree ...for Japanese cedar to accumulate K in its heart- wood, and (2) is water ... See full document
200
Radial movement of sapwood-injected rubidium into heartwood of Japanese cedar (Cryptomeria japonica) in the growing period
... in Japanese cedar (Cryptomeria japonica) stems, especially movement between sapwood and ...of Japanese cedar is considered to have close relation with black heartwood ...of ... See full document
368
Japanese cedar (Cryptomeria japonica) ash as a natural activating agent for preparing activated carbon
... However, the activation temperature and reaction duration strongly influenced the yield. The results of Table 3 obtained that the iodine value and MB values of the AC prepared using wood ash activation ranged from ... See full document
36
Physiological effects of touching sugi (Cryptomeria japonica) with the palm of the hand
... with wood induces relaxation in ...the wood of sugi (Cryptomeria ...using near- infrared time-resolved ...The wood material surfaces were finished by: (1) brushing with a ... See full document
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Surface-check variation in boxed-heart square timber of sugi (Cryptomeria japonica) cultivars dried by the conventional kiln drying
... sap- wood, because the heartwood substance infiltrates the cell walls and covers the aspirated pits and decreases the moisture ...heart- wood and the timber with a high moisture content of heartwood will ... See full document
141
Longitudinal shrinkage variations within trees of sugi (Cryptomeria japonica) cultivars
... different among cultivars, and the patterns of the four cul- tivars were similar to those obtained in this study. These similarities between trees of the same cultivars planted in different stands suggest that the values ... See full document
6
Kinetic analysis of color changes in keyaki (Zelkova serrata) and sugi (Cryptomeria japonica) wood during heat treatment
... and sugi (Cryptomeria japonica ...hinoki wood and cellulose filter paper to elucidate changes in the color of wood during heat ... See full document
71
Evaluation of dried-wood odors: comparison between analytical and sensory data on odors from dried sugi (Cryptomeria japonica) wood
... dried sugi wood were compared by gas chromatography- mass ...air-dried wood samples, whereas acetic acid was only detected in the high-temperature-dried wood samples, indicating that ... See full document
7
Growth and wood quality of sugi (Cryptomeria japonica) planted in Akita prefecture (II). Juvenile/mature wood determination of aged trees
... For each sample disk, the TL and MFA were measured at the 3rd, 6th, 9th, 12th, 15th, and 20th annual rings and every 10 years after the 20th annual rings from the pith. The latewood slice of each annual ring was ... See full document
9
Decontamination of Cs from Japanese cedar (Cryptomeria japonica) via kraft cooking
... alkalinity and sulfidity of the alkaline solution was 20 and 28%, respectively. Kraft cooking was performed in an oven, the cooking temperature was gradually increased from 20 to 170 °C within 1.5 h, and this temperature ... See full document
56
Radial variation in partial compression properties perpendicular to the grain of Japanese larch (Larix kaempferi)
... and partial compression stresses at 5 % strain perpendicular to the grain of air-dried wood specimens, which were continuous in the radial direction from the pith and were ... See full document
122
Relationship between 137Cs concentration and potassium content in stem wood of Japanese cedar (Cryptomeria japonica)
... The mean moisture contents of heartwood and sapwood were 152 and 247%, respectively (Table 1). Based on these results, the sampled trees were categorized into three groups: the six with the highest moisture contents ... See full document
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