THE POTENTIALITY OF ENERGY-SAVING IN SHUTTLE LOOMS

In this paper,the effects of loom speed fluctuation on the mean speed and on the power ofdriving motor were investigated and the expressions for these effects were derived.Based on theenergy relationships,a new index of equivalent fluctuation was introduced,the connection be-tween this equivalent fluctuation and the energy of speed function on frequency domain was thenfound.In addition to the above theme,the residual kinetic energy of the shuttle and pickingmechanism,taken as a considerable part in the potentiality of loom energy-saving was also ana-lysed.According to the results of theoretical analyses,the ways of energy-saving in looms weresuggested.Finally,taking the loom of 1511 type as a practical example,the potentiality ofenergy-saving was calculated.     

THE POLYELECTROLYTIC BEHAVIOURS OF ACIDIC AQUEOUS SOLUTIONS OF CHITOSAN IN THE PRESENCE OF EXTERNAL SALTS

The viscosities of chitosan-HAC in aqueous solution with various amount of NaAC have beenmeasured.Based on the analysis of experimental data,an empirical equation is deduced to des-cribe the relationship between the intrinsic viscosity and the concentration of external salt in thechitosan solution:[η]=[η]_∞+P/m~nand another empirical equation is proposed for describing the variation of reduced viscosity ofchitosan solution as function of salt and chitosan concentrations:(η_(sp)/c)_(salt)={D+A/(1+BC+HC~2)}·{1-1/(([η]_m=0)/([η]_(m=0)-[η]_∞)+P/m~R)+(C~/m~)}where the first term represents the relationship between viscosity and polymer concentration in theabsence of external salt,while the second term represents the correction value on viscosity in thepresence of external salt.     

TECTONIC DEVELOPMENT OF THE METAMORPHIC CORE COMPLEX OF THE WUGONGSHAN IN THE NORTHERN JIANGXI PROVINCE

ＴＥＣＴＯＮＩＣＤＥＶＥＬＯＰＭＥＮＴＯＦＴＨＥＭＥＴＡＭＯＲＰＨＩＣＣＯＲＥＣＯＭＰＬＥＸＯＦＴＨＥＷＵＧＯＮＧＳＨＡＮＩＮＴＨＥＮＯＲＴＨＥＲＮＪＩＡＮＧＸＩＰＲＯＶＩＮＣＥＳｕｎＹａｎ１）ＳｈｕＬｉａｎｇｓｈｕ１）Ｍ．Ｆａｕｒｅ２）Ｊ．Ｃｈａ...     

THE GAUSS MAP OF SURFACES IN R~N

Let M be an oriented surface and G(2,k) be the Grassmannian.Smooth maps t1 M→G2（2，k) are studied to determine whether or not they are Gauss maps.Some new results have been obtained and some known results reproved.     

DISSIPATION OF THE FLOOD SERIES IN THE HUAIHE RIVER BASIN

Ｗｉｔｈｉｎｔｈｅｆｉｅｌｄｏｆｎｏｎｌｉｎｅａｒｐｈｅｎｏｍｅｎｏｎｒｅｓｅａｒｃｈ，ｓｅｖｅｒａｌｍｅｔｈｏｄｓｆｏｒｔｈｅａｎａｌｙｓｉｓｏｆｃｏｍｐｌｅｘｄｙｎａｍｉｃａｌｓｙｓｔｅｍｈａｖｅｒｅｃｅｎｔｌｙｂｅｅｎｐｒｏｐｏｓｅｄ［Ｐｏｒｐ...     

THE ORIGINS AND CLASSIFICATION OF EARTHQUAKE LANDFORMS IN THE ALLUVIAL PLAINS OF EASTERN CHINA

Based on observations of earthquakes that have occurredin theplains of eastern China during recent yeas, the characteristics origins, classification and distribution patterns of earthquake landforms in alluvial plains are discussed. In such flat areas, earthquakes are capable of complete reversal of topographic gradients; minor hills can be replaced by hollows and depressions can experience uplift. The major factors influencing the development of such landforms in alluvial plain are the force of the earthquake, surface and sub-surface characteristics, the thicknesses of different subsurface layers, the height of the groundwater table and the relief. Earthquake hndforms in alluvial plains may be classified hto three main groups (1) Landforms directly associated with the liquefaction of sand hyers; (2) Landforms associated with the passage of earthquake waves; and (3) Landforms associated with earthquake structures. In turn, these categories can be further sub-divided. Through analysis of the Tangshan earthquake landforms, several characteristics of the distribuinn patterns of earthquake landforms in allu vial plains have been recognised.     

ADSORPTION AND FLOCCULATION BEHAVIORS OF ILMENITE AND FELDSPAR IN THE PRESENCE OF SULPHONATED POLYACRYLAMIDE——Experimental

The adsorption of Sulphonated polyacrylamide(PAMS)on ilmenite and feldspar fromaqueous solution and the floeculation of minerals by PAMS have been studied.The researchresults reveal that the strong adsorption of PAMS on ilmenite results in its strongflocculation and the weak adsorption of PAMS on feldspar causes its dispersion to be morestable.The mechanism of PAMS bonding is discussed in terms of co-ordination and H-bonding interaction respectively in the light of molecular orbit.The co-ordination between—So_3~- on PAMS chain and sites of Ti~(4+) or Fe~(2+) on ilmenite was testified by electron spec-troscopy(PHI550ESCA/AES).Consequently new technology“Bulk flocculation-magneticsepa-ration-ultrasonic deflocculation-magnetic separation”for fine ilmenite/titano-magnetite/feld-spar system has been successfully developed.     

THE FUNCTIONS OF NONVERBAL BEHAVIOURS IN SOCIAL INTERACTION

I.IntroductionInrecentyearswiththedevelopmentofnewscienceandadvancedtechnology,especiallybecauseoftheappearanceofnewly-linguisticdisciplines,manylinguistsareconcentratingtheirstudyandresearchonthefieldsofsociolinguistics,pragmatics,semantics,semioticsandetc.Traditionalanalysisoflanguagehasbeentransmittedtothestudyofitsrelationtothesociety.Thisisabranchofsociolinguisticswhichemergednotlongtimeago.Itisabranchoflanguageinrelationtosciety,Itdealswiththerelationsbetweesocietyandlanguageaswholes.I…