Results 51 to 60 of about 111,433 (218)

Length of Day Variations Explained in a Bayesian Framework

open access: yesGeophysical Research Letters, Volume 51, Issue 22, 28 November 2024.
Abstract Length of Day (LOD) observations in the range 720 BCE to 2020—derived from lunar occultation and eclipse records—feature a secular trend and various long‐period fluctuations. While recent estimates show that the secular trend is caused by the combination of lunar tidal friction and glacial isostatic adjustment, the causes of long‐period ...
Mostafa Kiani Shahvandi   +3 more
wiley   +1 more source

Mastering and intensification of hydrocarbons influx by instantaneous depression method with the purpose of expansion of collectors standard scopes

open access: yesМінеральні ресурси України, 2016
In spite of favourable geological and geophysical descriptions at collectors mastering often enough get negative results. Reason of it is been low natural permeability of collector, which as early as a greater measure gets worse as a result of different ...
M. M. Roy, V. G. Lastovka
doaj  

PERAN BIOMASA MANGROVE DALAM MENYIMPAN KARBON DI KUBU RAYA, KALIMANTAN BARAT

open access: yesJurnal Analisis Kebijakan Kehutanan, 2016
Salah satu masalah hutan mangrove di Kubu Raya yaitu berkurangnya luas hutan setiap tahun, hal ini diakibatkan adanya konversi lahan hutan mangrove.
N M Heriyanto, Endro Subiandono
doaj   +1 more source

Kuantifikasi Kandungan Karbon pada Hutan Rehabilitasi Mangrove Pasar Banggi, Rembang, Jawa Tengah [PDF]

open access: yes, 2017
Penelitian ini bertujuan untuk mengetahui kandungan karbon sumber karbon di permukaan, akar, substrat lumpur, dan kandungan karbon total dan untuk mengetahui nilai ekonomi karbon dari hutan mangrove di Pasar Banggi, Rembang, Jawa Tengah.
Haryono, E. (Eko), ‘Aqila, N. (Naisa)
core  

Mother‐child bidirectional influences in the development of concern for others: Disentangling positive parenting in two predominantly white, North American Samples

open access: yesSocial Development, Volume 33, Issue 2, May 2024.
Abstract Mother's positive parenting predicts children's development of concern for others; however, it is unclear which distinct positive parenting behaviors contribute to children's concern for others. We examined the bidirectional associations between mothers’ warmth and reasoning and children's concern toward an adult in distress at 4 and 6 years ...
Lindsey C. Partington, Paul D. Hastings
wiley   +1 more source

ARANG DARI LIMBAH TEMPURUNG KELAPA SAWIT (Elaeis guineensis Jacq)

open access: yesJurnal Penelitian Hasil Hutan (Journal of Forest Products Research), 2011
Penelitian bertujuan untuk mengetahui pengaruh temperatur dan waktu pengarangan terhadap mutu arang tempurung kelapa sawit. Proses pengarangan dilakukan pada temperatur 400°C, 500°C dan 600°C dengan waktu pengarangan 2 jam, 3 jam dan 4 jam.
Djoko Purwanto
doaj   +1 more source

HASIL DESTILASI KERING 10 JENIS KAYU DARI NUSA TENGGARA BARAT

open access: yesJurnal Penelitian Hasil Hutan (Journal of Forest Products Research), 2017
Dalam tulisan ini dikemukakan hasil destilasi kering 10 jenis kayu dari Nusa Tenggara Barat dengan menggunakan retor listrik. Hasilnya memperlihatkan bahwa rendemen arang berkisar antara 28,84 - 34,82 %, ter 6,15 -  11,57 %, cairan destilat 57, 79 - 87 ...
Gustan Pari   +2 more
doaj   +1 more source

PEMANFAATAN AMPAS KOPI PADA SINTESIS TIO2/KARBON AKTIF DAN UJI AKTIFITAS FOTOKATALITIKNPADA DEGRADASI INDIGO KARMIN [PDF]

open access: yes, 2016
Degradasi fotokatalitik zat warna indigo karmin telah dikaji menggunakan fotokatalis TiO2/karbon aktif dari ampas kopi yang disintesis dengan metode sol gel, impregnasi dan ball milling.
Irwan
core  

Potensi Simpanan Karbon Hutan Tanaman Jati ( ) Studi Kasus Di Kabupaten Kupang Dan Belu Provinsi Nusa Tenggara Timur Tectona Grandis [PDF]

open access: yes, 2011
Pemanfaatan lahan menjadi suatu hutan tanaman merupakan salah satu kegiatan yang dapat meningkatkan simpanan/serapan karbon. Di Propinsi NTT banyak dijumpai hutan tanaman jenis jati (Tectona grandis allometrik), ampupu (Tectona grandis allometrik ), dan ...
Kurniawan, H. (Hery)   +1 more
core   +1 more source

Studies on North American Carboniferous Insects. 6. Upper Carboniferous Insects From Pennsylvania

open access: yes, 1980
Psyche: A Journal of Entomology, Volume 87, Issue 1-2, Page 107-119, 1980.
Frank M. Carpenter
wiley   +1 more source

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