The results indicate that : 1. the main physical and chemical characteristics vary regularly : with rising of the altitude, there is a transition from silt > sand > clay to sand > silt > clay in the mechanical composition ; the argic horizon emerges below the altitude of 1600 meters ; the content of organic matter is enrichment, the content of organic carbon of epipedon is higher than 20 g / kg, while the content of organic carbon increases with increasing of altitude, and in the altitude of 3500 - 3700meters, the soils under the meadow have the maximum content organic carbon ; the soils appear acid - slightly acid reaction, the ph decreases appreciably and acid strengthen with increasing of altitude ; the soils higher than the altitude of 2500 meters are base unsaturated, indicating the soil leaching is strong, the ph and bs are distinct plus correlated ; the contents of sio2, al2o3, and fe2o3 of the soil body and clay are all relatively stabilization ; in the soil body, the content of sio2 is much high and cao is very little, the total contents of sio2, a12o3 and fe2o3 occupy 92 % of the mineral parts, the sequence of mineral elements is : sio2 > al2o3 > fe2o3 > k2o > mgo > cao > tio2 > mno
研究結果表明： 1太白山南坡土壤的主要理化性質隨海拔高度的上升呈有規律的變化：隨海拔高度上升，機械組成由粉粒
砂粒
粘粒逐漸過渡到
砂粒粉粒
粘粒，海拔1600m以下出現
粘化層；土壤有機質豐富，表層有機碳含量一般在20g kg以上，有機碳含量隨海拔高度升高而相應增加，海拔3500 3700m的灌叢草甸植被下有機碳含量最高；土壤呈酸性或微酸性，並隨海拔上升， ph值略微降低，酸性增強，海拔2700m以上的土壤多呈鹽基不飽和狀態，表明土壤淋溶作用較強， ph值和鹽基飽和度呈極顯著正相關；土體與
粘粒中的sio _ 2 、 al _ 2o _ 3 、 fe _ 2o _ 3含量相對比較穩定，土體中sio _ 2含量較高， cao含量較少， sio _ 2 、 al _ 2o _ 3和fe _ 2o _ 3含量之和約占土壤礦質部分的92 ，礦質元素含量的順序依次為： sio _ 2 al _ 2o _ 3 fe _ 2o _ 3 k _ 2o mgo cao tio _ 2 mno 。
One new type double backspin rotor type sand mixing machine passes technique appraisal of qingdao tianheng machinery co., ltd. this machine adopts double rotor configuration researched internationally ; the rotor is installed on different output axis of same reducer, which produces comparative cross cutting speed by using rotors with different speed that makes sands get strong cutting and friction force. therefore, it can reduce clay and quicken sand mixing
一種新型雙逆轉子式混
砂機在青島天恆機械有限公司通過技術鑒定，該機採用國際首創的雙轉子結構，其轉子安裝在同一減速器的不同輸出軸上，利用兩個軸的不同轉速使轉子間產生相對交叉剪切速度，使
砂子受到的沖剪及搓擦力加強，從而減少
粘土團，加快
砂子的混合。
Testing on rock sample data in dispersed shaly sands it shows that adding another parameter ( n ) to the model can decrease the relative error of fitted co. however, when we consider the difference of electrical properties between clay - bound water and formation water in the model, although another parameter ( qv ) is added to the model, the relative error of fitted co is increased slightly
通過一組分散泥質
砂巖巖樣實驗測量數據的計算。表明模型中增加參數n （ m n ）可以使擬合的c _ t的相對誤差減小，但在考慮
粘土結合水與地層水導電性差別時，模型中雖多加一個參數q _ v ，卻沒有減小擬合的c _ t的相對誤差。
Based on the effective medium hb resistivity models in laminated or dispersed shaly sands proposed by berg, the general effective medium hb resistivity model in laminated and dispersed shaly sands is established. in the derivation of the model we assume that clay - bound water fraction is included in total pores, clay - bound water and formation water have the same resistivity, and yet the difference of electrical properties between the two waters is incorporated into clay grain conductivity
本文首先基於berg提出的層狀泥質或分散泥質
砂巖有效介質hb電阻率模型，並在總孔隙中考慮
粘土結合水的體積，但不考慮
粘土結合水與地層水導電性的差別，而將
粘土結合水與地層水的導電性差別歸結到
粘土顆粒導電中，建立了混合泥質
砂巖有效介質通用hb電阻率模型。
This will occur both in sands and clays.
這在
砂土地和
粘土地帶常常發生。
Some soils, such as sandy soils, have a loose crumb structure with good drainage, whereas in clay soils the particles are small and stick together to give a dense crumb structure and poor drainage
一些土壤例如
砂土具有鬆散的結構，因而有良好的排水性，而在
粘土中，由於土壤顆粒小而互相
粘合導致
粘土結構緊密排水性較差。
Detritus usually consists of gravel, sand and clay.
巖屑通常是由
砂礫，沙和
粘土組成的。
An introduction was made to the dry distillation process of coal, anti - metal penetration mechanism of coal dust and influences of various physical - chemical properties of coal dust on its anti - metal penetration ability, view points on coal dust choice and choice methods
摘要介紹煤的干餾過程、煤粉在型
砂中的防
粘砂機理和煤粉的各項理化指標對其防
粘砂能力的影響，以及選擇優質煤粉的觀點和方法。
After blanting resin abrasive cloth into small blocks, glue them into a disc, it can be equipped on electronic grinder or wind - driven tools so as to buffing and dry milling functions of inner holds or elbow pipes of metals work pieces
該產品選用樹脂
砂布沖成小塊
粘合而成，可裝在電磨機、風動工具上，用於復雜金屬件內孔及彎接處、焊疤的打磨、拋光。
Products are widely used in adhesives, photographic materials, furniture, emery cloth, textile, metallurgical and other industries
產品被廣泛用於
粘合劑、感光材料、傢具、
砂布、紡織、冶金等行業。
The quality of furan sand castings is usually better than clay sand castings, however, some defects are also very easy take place with furan sand castings such as blow hole, metal penetration, veining, cracking, slag inclusion, hardness too low, surface recarburation, surface sulphuration, nodularity degeneration etc, which were usually caused by improper raw materials selection, improper method design, incorrect moulding or / and core - making
摘要呋喃樹脂
砂鑄件質量一般比黏土
砂鑄件好，但如果原材料選擇、工藝設計、造型和制芯操作不當，也會產生氣孔、
粘砂、脈紋、裂紋，夾渣、硬度不足、滲碳、滲硫和球化不良等鑄造缺陷。
Foot and leg protectors. requirements and test methods for toecaps and metal penetration resistant inserts
腳和腿的保護裝置.鞋頭和防金屬
粘砂嵌入物的要求和試驗方法
( 3 ) the definition of soil series applied the method of direct nomenclature ( eg. qingjiang series ), searches of soil series was the order : soil structure - the texture of hydragric epipedon - the proportion of clay and salt ( eg. apl - ap2 - g - clay loam - 0. 54 ), 10 typical soil sections were classified 10 soil series ( eg. qingjiang series beihe series ) and belonged to 5 subgroups and 4 groups of hydragric anthrosols
（ 3 ）土系採用直接命名法（如：清江系） ，其檢索採取剖面構型+表層優勢質地+
粘砂比的性態檢索順序（如： ap1 - ap2 - c +
粘壤土+ 0 . 35 ） ，被研究的10個典型土壤剖面被劃分為清江系、北河系等10個土系，分別隸屬於5個水耕人為土亞類、 4個水耕人為土土類。
It is necessary coal dust to inspect and evaluate comprehensively all physical - chemical properties of the coal dust, as well as to determine its anti - metal penetration ability by pouring a test specimen
選擇煤粉應通過全面的檢測和評價各項理化指標，並通過試塊澆注試驗以確定其防
粘砂能力。
Abstract : using furan sand to produce heavy diesel engine block and crankshaft eliminated defects of castings including “ penetration / burn - in ”, “ shrinkage porosity ”, “ big dimension deviation ” of cylinder block, “ penetration / bum - in ”, “ misrun ” and “ run - out ” of crankshaft, and so on
文摘:樹脂
砂鑄造工藝應用於大型球墨鑄鐵件整體鑄造柴油機缸體、曲軸生產上消除整鑄缸體「
粘砂」 、 「縮松」 、 「尺寸偏差大」及曲軸「
粘砂」 、 「澆不足」 、 「漏鐵液」等鑄造缺陷，具有明顯的效果。
This machine adopts dense rib type screen which improves the disadvantage that it can not work well because of the sticking sand, therefore resistance to abrasion is enhanced and service life of roller is prolonged
本機篩網採用密肋式網板根本上改變了滾筒篩，因
粘砂不能正常工作而且提高了難磨性，延長了滾筒使用壽命。
The loi and other test methods common used in abroad countries can only roughly estimate the tendency to prevent the sand burning - on defect
國外常用的灼減量等方法則只能大致估計型
砂的抗
粘砂能力如何。
The main properties of new alcohol based spraying coatings for green sand mold are superior to the abilities of internal and outside coatings of the same kind, the surfaces of castings that are produced used new alcohol based spraying coatings are smooth without adhering sand and gas - hore
粘土濕型
砂鑄造新型醇基噴塗塗料的主要性能達到了國內外同類產品領先水平；生產的高錳鋼、可鍛鑄鐵和灰口鑄鐵產品表面光潔，無
粘砂、氣孔等缺陷。
A mixture of moist clay and sand, together with straw, used especially in making bricks and foundry molds
粘砂土濕
粘土和
砂子的混合物，帶有稻草，專用作制磚和鑄模
Based on the test of 3 concrete beams reinforced with surface adhering sand carbon fiber bar and 2 concrete beams reinforced with surface adhering sand glass fiber bar, the deflection, balanced reinforcement ratio, failure mode, and ultimate capacity were analyzed and corresponding formulas are recommended
摘要以3根粘砂碳纖維聚合物筋混凝土梁和2根粘砂玻璃纖維聚合物筋的試驗為依據，分析了纖維聚合物筋混凝土梁的撓度變形和破壞形式，以及界限配筋率和正截面承載力；並結合我國混凝土結構設計規范對梁的正截面承載力計算公式進行了推導。
