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长石     
相关语句
  feldspar
     Its prescription range may be feldspar 45~50%,calcite 10~12%,quartz 30~35%,ZnO 5~7%,Li_2CO_32~2.5%,clay 3~5%,and Zircon 14 ~16% in addition.
     该釉的配方范围为:长石45~50%、方解石10~12%、石英30~35%,ZnO5.7%、Li_2CO_32~2.5%、粘土3~5%,外加锆英石14~16%。
短句来源
     The results show that the whole rocks and single minerals have widely variableδ 18O values (- 2.4‰~ 2.0‰ for whole rock, 0.0‰~ 5.8‰ for quartz,- 3.8‰~ 0.1‰ for alkaline feldspar, and- 8.5‰~- 1.0‰ for magnetite), and depleted in 18O.
     结果表明,全岩和单矿物不仅δ 18O值变化范围较大 (全岩- 2.4‰~ 2.0‰, 石英 0.0‰~ 5.8‰, 碱性长石- 3.8‰~ 0.1‰, 磁铁矿- 8.5‰~ - 1.0‰ ),而且强烈亏损 18O。
短句来源
     Batches were composed of 50~60% wolfram tailing. 35~45% limestone, 2~10% feldspar, 3~5% soda ash and 1~2% thenardite.
     配合料组成为钨尾矿50~60%、石灰石35~45%、长石2~10%、纯碱3~5%、芒硝1~2%.
短句来源
     From the heating experiments it is concluded that Fe~(3+), Al~(3+) and Fe~(3+), Si~(4+) exchange among the distinct T sites in the lattice of alkali feldspar is distinctly more sluggish than Al~(3+) and Si~(4+).
     实验表明,在碱性长石中不同四面体间Fe~(3+)、Ak~(3+)和Fe~(3+)、Si~(4+)交换与Al~(3+)、Si~(4+)交换比较,前者速度要缓慢得多。
短句来源
     At a burial depth of 2 400-2 600 m, δ13C and δ18O in the carbonate (Ⅱ) formed in the sulfate reduction zone are in the range -7‰ to - 10‰ and -8‰ to - 10%%%%, respectively, where the dissolution of feldspar constitutes the 1st secondary pore zone.
     埋深2 400-2 600 m,硫酸盐还原带形成的碳酸盐(Ⅱ)δ13C为-7‰--10‰,δ18O为 -8‰--10‰,长石溶解形成第一次生孔隙带。
短句来源
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  feldspars
     The feldspars in mineralized and alkali_feldspar granites are characterized by the lower w (LREE)/ w (HREE) ratios and by the smaller europium positive anomalies ( δ (Eu)<6 for alkali_feldspars, and δ (Eu)<4 for plagioclases).
     矿化花岗岩和碱长花岗岩中的长石以低w(LREE)/w(HREE)和较小的Eu正异常(碱性长石的δ(Eu)<6,斜长石的δ(Eu)<4)为特征;
短句来源
     and the δ~ 18 O is also stable in value from 4.90×10~ -3 to 8.49×10~ -3 . It shows that the potassium feldspars in the studied area were from the same magma source but occurred in different stages and processes.
     ③不同产状钾长石的δ18O值较集中,变化于(4.90~8.49)×10-3。 认为,该区的钾长石是来自于同一个岩浆源的物质在同一岩浆作用过程中不同阶段、不同就位方式的产物。
短句来源
     MICROSTRUCTURES AND ~(29)Si NMR SPCTRA OF ALKALINE FELDSPARS IN Al-Si ORDERING
     碱性长石Al-Si有序化进程中微结构和~(29)Si NMR谱的表现
短句来源
     for RAs(and their evaporites) from reactions with feldspars,kaolinite,and montmorillonite,value Si/Al is less than original,showing higher rate and extent of acid etching of tetrahedron ~(5-) in feldspars crystal and octahedron [Al_4(OH)_6]~(6+) in clay crystal are larger than that of tetrahedron ~(4-) in crystals of these minerals;
     长石类、高岭石及蒙脱石与酸反应后的残酸(及残酸蒸发残渣)的Si/Al比小于原始值,说明长石晶体[AlO4]5-四面体和黏土晶体[Al4(OH)6]6+八面体的酸蚀速率和程度大于相应的[SiO4]4-四面体;
短句来源
     Through systematic study of compositions of hornblendes, plagioclases, alkali feldspars, apatites and biotites from granitoids in Eastern Tianshan Mountains,Xinjiang China,it is determined that the granitoids crystallized at the depth of 11—17 km;
     通过对新疆东天山花岗岩类岩石中的角闪石、斜长石、碱性长石、磷灰石、黑云母成分的系统研究,确定花岗岩类岩石在11—17km深处结晶;
短句来源
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  feldspathic
     5. After adjusting content of raw materials and optimizing the fabrication process, feldspathic ceramics have been produced. Its fracture toughness reaches 1.19 Mpa-m1/2, which is equal to the one of Vita Mark II (1.21 Mpa-m1/2).
     5.经过原料的筛选和工艺优化,研制出的可加工长石瓷的断裂韧性(1.19 Mpa·m~(1/2))非常接近国外同类可加工长石瓷产品Vita Mark Ⅱ(1.21 Mpa·m~(1/2))。
短句来源
     The sintering temperature of feldspathic porcelain is between 1100℃and 1160℃when the particle size is between 2μm and 9μm.
     对于粒度为2-9μm的长石瓷烧结温度大概在1100-1160℃之间。
短句来源
     The experiment testifies that fracture toughness value of feldspathic porcelain prepared by SPS has researched about 1.60 MPa·m~(1/2) when the panicle size is 5~6μm and crystalline phase content is 10%~15%.
     本试验证明:粉体粒度为5~6μm,晶相含量达到10%~15%以上,SPS制备的长石瓷的断裂韧性可达到1.60MPa·m~(1/2)左右。
     Research on Machinable Dental Feldspathic Ceramics Used in CAD/CAM System
     牙科CAD/CAM加工用可切削长石瓷的研究
短句来源
     It is showed that: the Chang 4+5 and Chang 6_1 reservoir rock types are mainly as clastic feldspar sand and feldspathic clast sand;
     研究指出,姬塬地区长4+5、长6_1储层岩石类型以岩屑长石砂岩和长石岩屑砂岩为主;
短句来源
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  felspar
     Through XRD analysis on the single particles, main minerals of the air dust are quartz, felspar, dolomite, calcite, gypsum and barite.
     用X射线衍射和能谱仪对单颗粒矿物作成份分析得知:大气尘的矿物成份主要是石英、长石、白云石、方解石、石膏、重晶石等矿物,以石英为主,其次是伊利石、石膏。
短句来源
     The composition of the ore ranges- from 95 to 97 percent kaolinite,1 to 2 percent illite and accessory amounts of limonite,rutile,quartz,felspar,carbonaceous rock,with trace amounts of pyrite and leucoxene.
     矿石经用 x—射线衍射、差热、红外吸收光谱、电于显微镜等手段测试分析,矿物主要为高岭石(含量95%—97%),次为伊利石(1%—2%),另有少量褐铁矿、金红石、石英、长石、碳质以及微量黄铁矿、白钛石等。
短句来源
     Development of Fire-Proof Felspar Powder Calcium Silicate Board
     长石粉防火硅酸钙板的研制
短句来源
     SiC powder as the backbone together with the ceramic binder comsposed of felspar mixed with clay and pore-forming carbon were chosen, several firing temperatures were experimented, and some porosities and strengthes of the porous SiC ceramics were analysed.
     选用 SiC作为骨料,长石和粘土组成的陶瓷结合剂和活性C作为成孔剂,对不同的烧成温度下SiC多孔陶瓷的气孔率和强度进行了研究。
短句来源
     To produce the calcium silicate board by using felspar powder instead ofquarth powder can lower the product cost, turns the waste material into a benefit and is beneficial to theenvirorunental protection.
     使用长石粉替代石英粉制造硅酸钙板,可降低产品成本,且变废为宝,有利于环境保护。
短句来源
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  feldspar
The rocks are classified into greywackes or feldspar sandstones, grains of which are the mixtures of mafic rocks, felsic rocks, and quartz+calcite.
      
In conjunction with high abundances of Ba and Sr, as well as low abundances of Y and HREE, these patterns suggest a feldspar-poor, garnet±amohibole-rich fractionation mineral assemblage.
      
Empirical relationships describing the composition dependences of the chemical durability of glasses in the diopside-albite, diopside-anorthite, diopside-orthoclase, diopside-quartz, and diopside-feldspar systems are derived.
      
Two glasses of the same chemical composition manufactured while using two different sources of aluminosilicates: (1) sodium feldspar and (2) volcanic tuffs have been compared [1].
      
The influence of bacterial activity on glauconite formation is supported by the study of dissolution zones on quartz and feldspar grains, which revealed biomorphic structures akin to fossilized bacteria.
      
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  feldspars
It is shown that, in the composition range with an iron content of lower than 3.3 wt %, cenospheres involve nanosized crystalline phases, such as feldspars, ferrispinels, and pyroxenes.
      
The presence of rocks on Mercury's surface, such as anorthosites (consisting mainly of calcium plagioclase) and feldspars, was reliably established in the course of such investigations.
      
Thermal infrared spectra are also indicative of the presence of feldspars, pyroxenes, and igneous nepheline-bearing alkali syenites.
      
The fine silt fraction consists of quartz, kaolinite, chlorite, hydromica, smectite, and feldspars.
      
The medium silt fraction consists of quartz, kaolinite, mica, and feldspars.
      
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