Perah: The timber is very hard and very heavy with a density of 735-1,235 kg/m3 air dry. The timber is classified under Medium Hardwood in Malaysia. The timber is non-durable and is susceptible to termite and powder-post beetle attacks. Except for the core wood, the timber is easily treated with preservatives.

Vernacular names applied include dungku (Sarawak), kelampai (Sarawak) and perah ikan (Peninsular Malaysia and Sabah). Only one species is recorded, viz. E. tapos. The sapwood is light yellow-brown and is sharply defined from the heartwood, which is dark brown with a red tinge and streaked alternately with lighter and darker stripes.

Vernacular names applied include perah (Peninsular Malaysia). Major species include P. griffithianum. The sapwood is not differentiated from the heartwood, which is light straw-coloured. Also known as Memia, Mendoe, Sinto and Tambae (Indonesia).

Heartwood: Dark brown with a red tinge; streaked with alternately lighter and darker stripes. Texture: Moderately fine and even; grain straight or shallowly interlocked. Weight (Air-dry): Wood very hard and heavy ranging from 46-77 lb/cu.ft. with an average of 55 lb/cu ft. Durability: The timber is not durable under exposed condition.

Occurs in lowland forests. Suitable for heavy and medium construction, railway sleepers, parquet flooring, fence posts, posts and tool handles.

2011年1月1日 · Perah occurs wild in hilly primary (mixed dipterocarp) and secondary forest, kerangas forest, forest edges, along logging roads from sea level to 600 m elevation in its native range. It occurs in soil usually deep and yellow-coloured, mainly clay, clay-loam, sandy clay, loam, sometimes sandstone or (silty) laterite.

Trade Name: Species: Rcngas Gluta spp, (15 species) and Melanochyla spp. (10 species). 1. Tree type and distribution: 2. Wood characteristics: 3. Timber classification: Small lo big trees. Gluta is widely distributed from coasts and swamps to mountain forests Melanochyla is found mainly in the lowlands. Hcartwood blood-red coloured and streaky and …

压力管道设计技术规定 pgg13-2008,第三章的压力管道图样绘制规定中的第3.3条有详细解释，为热水伴热---hwt

Naturally Better Living. Sign up for our email list for updates, promotions, and more.

Usage: The Hebrew word "perah" primarily refers to a blossom or flower. It is often used in the context of describing the beauty and transience of flowers, symbolizing the fleeting nature of life and the splendor of God's creation. In the Bible, "perah" is used metaphorically to convey ideas of beauty, growth, and the ephemeral nature of human ...