轻石

Improvement of Residue by Hydrocracking with Solid Acid, Solid Base and Radical Initiators

固体酸／碱和引发剂促进渣油轻质化的初步研究，石斌；任振东；门秀杰；方日强；阙国和-66文免费论文库，大学生论文库

The super light water repellent hard afwillite type calcium silicate thermal insulation product is successfully made from quart powder and lime as raw materials, alkali-resistant glass fiber, few of paper fiber and additives by means of dynamic water heating synthesis at pilot plant.

利用石英粉、石灰为主要原料，掺加耐碱玻纤及少量纸纤维，添加少量外加剂，采用动态水热合成法，中试生产成功超轻憎水硬硅钙石型硅酸钙绝热制品。

A light silver-white ductile bivalent metallic element; in pure form it burns with brilliant white flame; occurs naturally only in combination (as in magnesite and dolomite and carnallite and spinel and olivine).

轻而软的银白色二价金属元素，纯净状态下燃烧会发出明亮白光，仅天然存在于化合物中（如菱镁矿、白云石、光卤石、尖晶石、橄榄石）。

Stone recurrence in 3 years was found in 4 out of 9 cases with cholesterosis,and in 5 out of 8 in which preoperative function of contraction was less than 50% evaluated by oral cholecystography.

胆囊切开取石术适于轻症胆囊结石、胆囊无畸形和胆囊收缩功能良好者，效果较好，但必须严格掌握适应证，并注意恰当操作。

When an important diamond is shaped a man may spend a week …will split it exactly so.

当打造一颗重要的钻石时，一个人可能要花一周甚至几周时间去研究它，要集中所有的记忆、直觉和注意力，直到最后确定用恰如其分的轻敲力才会将原石准确地按需要分开。

Also, our company sale and deal in fireproof material、high and medium magnesite sand、ccm、magnesite brick、magnesite、talc、talc powder、ecectric fused magnesia、pyrope、calcium carbonate、silica、felspar、dolomite、iron ore、cement ore、refractory mortars.

公司同时经销耐火材料、高中档镁砂、轻烧镁粉、镁砖、镁矿石、滑石、滑石粉、电熔镁、镁铝尖晶石、方解石、硅石、长石、白云石、铁矿石、水泥石、喷补料、捣打料。

The company specialized production enrichment plant, provides the technical process, the dressing experiment, the installment instructs the www.lzkysb.cn gentle yu 0797-5745599 chutes, the spiral chute, the glass fiber reinforced plastic spiral chute, the glass fiber reinforced plastic chute, separates by gravity the equipment, the manganese ore flotation process equipment, the copper mine flotation process equipment, the fluorspar flotation process equipment, the spiral chute which the company produces, the glass fiber reinforced plastic spiral chute, the glass fiber reinforced plastic swivel chute, the glass fiber reinforced plastic revolving spiral chute has series BLso on BL, LL, CBX characteristics is the new compound cross section, the ultra short pitch, the large diameter, the wide cross section, is suitable for the undressed ore specially dragging through the mudnonmetallic, metallic minerals thin grade - 0.2 millimeter the separation, does not need the flushing water, has the structure to be simple, does not need the power, the weight is light,The area is small, the process load is big, the separation efficiency is high, LL uses in the classification granularity 0.3-0.02 millimeter iron tin, the tungsten, the tantalum, the niobium, the coal mine, the gold ore, the monacite, the rutile, the zirconhas enough proportion bad other mineral CBX regarding the classification tantalum, the niobium, the tin, the tungsten, the gold, the titanium, hardother proportion difference is bigger than 1 mineral.

公司专业生产选矿设备，提供工艺流程，选矿实验，安装指导www.lzkysb.cn温良禹0797-5745599溜槽，螺旋溜槽，玻璃钢螺旋溜槽，玻璃钢溜槽，重选设备，锰矿浮选设备，铜矿浮选设备，萤石浮选设备，公司生产的螺旋溜槽，玻璃钢螺旋溜槽，玻璃钢旋转溜槽，玻璃钢旋转螺旋溜槽有BL，LL，CBX等系列BL的特点是新型复合断面，超短螺距，大直径，宽断面，特别适于原矿的拖泥及非金属，金属矿物细粒级-0.2毫米的分选，不需冲水，具有结构简单，无需动力，重量轻，占地面积小，处理量大，分选效率高，LL的用于选别粒度0.3-0.02毫米的铁锡，钨，钽，铌，煤矿，金矿，独居石，金红石，锆英石及具有足够比重差的其它矿物CBX对于选别钽，铌，锡，钨，金，钛，铁和其它比重差大于1的矿物。

They enrich in LILEs and LREEs at different degrees, and deplete relatively to HREEs, REEs fractionate evidently, compatible elements deplete significantly.

不同程度地富集大离子亲石元素和轻稀土元素，相对亏损重稀土元素，稀土元素分馏明显或比较明显，相容元素显著亏损。

The differentiation between light REE and heavy REE of gabbro and diorite is very obvious 〔N=3.19～7.81〕.

辉长岩和闪长岩的轻、重稀土元素分异明显〔N为3.19～7.81〕，富集大离子亲石元素，亏损Nb、Ta，具岛弧岩浆岩特征。

Domestic companies to introduce advanced production equipment, production and processing dried Mica Powder, Mica Powder wet system, ordinary quartz sand, semi-refined quartz sand, fine quartz sand, high purity quartz sand, limestone, calcium carbonate, precipitated calcium carbonate, dolomite powder , vermiculite powder, feldspar powder, maifanite, tourmaline, bauxite, sand, pebbles, sand, building sand and other non-metallic mineral products, according to river sand, maifanite, tourmaline , bauxite General diversified enterprises.

公司引进国内先进生产设备生产加工干制云母粉、湿制云母粉，普通石英砂、半精制石英砂、精制石英砂、高纯石英砂，石灰石、重质碳酸钙、轻质碳酸钙，白云石粉，蛭石粉，钾长石粉，麦饭石，电气石、铝矾土，彩砂，鹅卵石，河砂、建筑砂等非金属矿产品，可根据河砂、麦饭石、电气石、铝矾土等多元化综合型企业。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。