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(61) This trait, along with the group's deep branching in the tree of life, has lead to the belief that the last common ancestor of life may be a thermophilic autotroph growing in a hydrothermal system.

(62) Metal - biogenic type is a post magmatic mesothermal hydrothermal solution filling metasomatic ore deposit correlated with diabase.

(63) At first, the craft and conditions of the synthesis of micaceous iron oxide with by-product of TiO2-ferrous sulfate by hydrothermal method was studied through experiments.

(64) The alabandite and getchellite of hydrothermal origin, cement anatase of alkaline volcanic origin, and the high content of chlorite in coal were fist found in coals.

(65) The hydrothermal area distributes mostly at the mid ocean ridge, back arc basin and hot spot.

(66) The ore deposit can be named as subvolcanic hydrothermal garnet - diopside - magnetite deposit.

(67) Its materials might come from both magmas and host rocks, indicating that it was formed when the ichor (or hydrothermal solution) replaced the Devonian siliceous shale and so on.

(68) Metamorphic water constitutes most of ore-bearing metamorphic hydrothermal water, which tends to mineralize in metamorphic front region and before the front region.

(69) Subvocanics is the final carrier of hydrothermal fluid of magmatism thus is the prospecting target.

(70) Mullite particles was synthesized by hydrothermal crystallization from kaolinite in coal measures.

(71) A thermal plume in the northwest part of the lake indicates underlying subaerial fumarolic or hydrothermal activity.

(72) The source of hydrothermal solutions is one of the cruxes of the genesis of hydrothermal deposits.

(73) The early deformational environment was favourable for movement of ore -forming hydrothermal solution and precipitation of gold and other metals.

(74) At the same time, the mercury was hydrothermal particulate cinnabar - type precipitates, which formed.

(75) The composite nanocrystalline of mullite was prepared via hydrothermal reaction of calcined kaoline. It was observed that growth of the nanocrystalline grain was good in TEM.

(75) Sentencedict.com is a sentence dictionary, on which you can find excellent sentences for a large number of words.

(76) Remelting magmatism, hydrothermal circulation drived by heat from granitic bodies and concentration of water in thermal fluid may be the most important factors to mineralization of gold.

(77) Ge nanoneedles were prepared by hydrothermal deposition process using Ge and GeO2 as the starting materials and copper sheet as the deposition substrate.

(78) In the end, the significance and prospect of the hydrothermal system study are introduced.

(79) Ion exchange and hydrothermal reactions of zeolite under alkaline conditions are studied.

(80) However, its application to petrochemical industry is limited due to the amorphous character of mesopore wall and weak acidity, as well as poor hydrothermal stability.

(81) Xiangluwanzi gold deposit is a volcanogenic hydrothermal ore deposit related to volcanic cryptoexplosive breccia body.

(82) The brown coal and long flame coal were selected, which have representability and operability, and hydrothermal pretreatment on liquefaction reactivity were studied.

(83) A new type of germanic zeolite was synthesized in hydrothermal system.

(84) Xiangshan uranium ore - field is a famous hydrothermal uranium ore - field.

(85) P sieve was synthesized from series kaolinite by calcinating the kaolinite twice and hydrothermal procedures.

(86) Through correlation and analysis, we suggest that Bailongjiang tectonic belt is an advantageous metallogenic belt to hydrothermal re-formed Pb-Zn ore deposit, the northern however, at souths...

(87) Generation of uranium was closely related to migration and escaping of natural gas and may be also relevant to hydrothermal solution activities during epigenesis period.

(88) A new uranium coordination compound has been synthesized with o-phenylenediamine and UO2 by hydrothermal method, and characterized by IR,[sentencedict.com] UV and TGA.

(89) Hydrothermal process and solvent thermal process have been successfully applied to prepare nanocrystalline CdS via the reaction of CdSO_4 with Na_2S or thioacetamide.

(90) Catalytic performances of hydrothermal dealuminated ZSM-5/Y composite zeolite in the cracking of Daqing VGO were studied in comparison with the mechanical mixture of ZSM-5 and Y zeolite.