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Grinding characteristics of multi

The grinding characteristics of two or multi-component material of clinker with limestone, blast furnace slag and fly ash were studied Investigation was carried out on the particle size distribution, the Blaine fineness and the sieve residue of the separate and interground products The relative contents of clinker and lime-stone in different size fractions of the interground product were ....

Effect of additives on grinding of magnetite ore ,

Aug 01, 1991 0183 32 Investigations have been carried out to evolve a grinding aid useful in grinding a 40 iron-bearing magnetite containing quartz as the major gangue, based on studies conducted with pure magnetite, pure quartz and its synthetic mixtureThese investigations established that an addition of 200 g of CaO per metric ton of ore was the most effective in grinding quartz preferentially over magnetite ....

Aesthetic restoration of posterior teeth using different ,

Jul 23, 2021 0183 32 The occlusal matrix technique appears as an alternative to the conventional restorative technique The aim of this study is to present treatment options for the decayed occlusal surface of ....

Efficacy of Selective Grinding Guided by an ,

Objective This study aims to describe a reproducible, predictable and to date unreported procedure of selective grinding guided by an occlusal splint and to analyze condylar position CP based on the skeletal pattern Methods A total of 72 symptomatic patients 38 females and 34 males were classified into three groups hyperdivergent ....

Preparation and application of layered double hydroxide ,

The detailed experiment process was as follows a series of Ni NO 3 2 6H 2 O and Co NO 3 2 6H 2 O mixture with different molar ratio of Co 2 and Ni 2 were prepared by grinding in a mortar, and then morpholine was added molar ratio of morpholine to metal ions was 41 and the obtained mixture was ground for 6 min, forming a sticky paste ....

3D printed Ti6Al4V bone scaffolds with different pore ,

Jan 21, 2021 0183 32 The microstructure of porous scaffolds plays a vital role in bone regeneration, but its optimal shape is still unclear In this study, four kinds of porous titanium alloy scaffolds with similar porosities 65 and pore sizes 650 μm and different structures were prepared by selective laser melting Four scaffolds were implanted into the distal femur of rabbits to evaluate bone tissue growth ....

CO2 Gasification Reactivity of Char from High

Nov 29, 2021 0183 32 Biomass char produced from pyrolysis processes is of great interest to be utilized as renewable solid fuels or materials Forest byproducts and agricultural wastes are low-cost and sustainable biomass feedstocks These biomasses generally contain high amounts of ash-forming elements, generally leading to high char reactivity This study elaborates in detail how chemical and ,...

Occlusal management for a patient ,

Sep 12, 2007 0183 32 For selective grinding in the patient s mouth, the anterior bite plate was worn in the moth and the patient was asked to tap and slide her anterior teeth against the plate for five minutes while in an upright position The plate was removed, and the patient was asked to close her jaw until tooth contact was made and then hold that position...

How Do Ionic Liquids Affect the Surface Structure of ,

Dec 08, 2021 0183 32 Titanium IV oxide, titania, photocatalyst particles were prepared from titanium alkoxide in the presence of several kinds of ionic liquids, and it was clarified that a group of samples exhibited photocatalytic activity for phenol degradation under the irradiation of light of wavelength gt 400 nm higher than those of the other group of sampl Although the conventional structural analytical ....

Reevaluating Antidepressant Selection in Patients ,

Research has shown that selective serotonin reuptake inhibitors SSRIs , the first-line drug therapy for major depressive disorder, may not be suitable for TMD patients because SSRIs can induce teeth-grinding, otherwise known as bruxism This is problematic because bruxism is believed to further exacerbate TMD...

Nanovesicles derived from bispecific CAR

Nov 25, 2021 0183 32 Preparation and characterization of nanovesicl Next, we separated the cell membrane from the three mentioned CAR-T cells by lysis and physical grinding 16, 24 , followed by dispersing the isolated membranes in phosphate buffered saline PBS pH 74 After ultrasonic processing, the nanovesicles were obtained by serial extrusion 20 rounds through 800 nm and 200 nm ,...

The use of fluorescent Nile red and BODIPY for lipid ,

Mar 12, 2015 0183 32 Microalgae are currently emerging as one of the most promising alternative sources for the next generation of food, feed, cosmetics and renewable energy in the form of biofuel Microalgae constitute a diverse group of microorganisms with advantages like fast and efficient growth In addition, they do not compete for arable land and offer very high lipid yield potential...

In Vitro Models for Studying Secondary Plant Metabolite ,

Food processing, especially grinding of the bran fractions, increased the bioaccessibility of phenolic acids Hemery and others 2010 Increased bioaccessibility was correlated to the presence of very small particles diameter < 20 μm for sinapic acid and ferulic acid and to larger particles for para-coumaric acid between 20 and 100 μm...

DNA, RNA, and Protein Extraction The Past and The Present

Nov 30, 2009 0183 32 The basis for most of the products related to nucleic acid purification is the unique properties of silica matrices for selective DNA binding Types of silica materials including glass particles, such as glass powder, silica particles, and glass microfibers prepared by grinding glass fiber filter papers, and including diatomaceous earth ....

Selective grinding Article about selective grinding by ,

grinding, process by which surface material is removed from an object, usually metal, by the abrasive action of a rotating wheel or a moving belt that contains abrasive grains A...

Coatings Free Full

Nov 26, 2021 0183 32 In order to improve the wear resistance of 27SiMn steel substrate, Fe-based alloy coatings were prepared by laser cladding technology in the present study In comparison to the conventional gravity powder feeding GF process, high-speed powder feeding HF process was used to prepare Fe-based alloy coating on 27SiMn steel substrate The effect of diversified energy ,...

Development and evaluation of a recombinase polymerase ,

Aug 31, 2020 0183 32 Phytophthora fragariae causes drastic damage in strawberry crops P fragariae infects strawberry roots and causes red stele root rot Although P fragariae is a quarantine organism, its spread in Finland continues as more and more fields contract the disease The spread can be halted through developing rapid and reliable detection assays We have developed a rapid recombinase polymerase ....

Textbook of Complete Dentures

Textbook of Complete Dentures, Sixth Edition presents various aspects of the basic principles of complete denture prosthodontics The text is technique-oriented and relates the basic sciences of anatomy, physiology, pathology, pharmacology and psychology with the art and mechanics involved in complete denture construction This clinically oriented and well-illustrated book will provide the ....

Concepts of occlusion in prosthodontics A literature ,

Jun 07, 2015 0183 32 Based on the interocclusal records, selective grinding is done to reduce the occlusal interferences to avoid deflective forces that are transmitted to the supporting structur Then thorough patient education, motivation, and regular recall will preserve the health of the supporting structures for the longer period...

The Copper Chemical Garden as a Low Cost and Efficient ,

Sep 24, 2021 0183 32 Cleaning air from pollutant and smelling gases is a challenging target of current environmental research Copper II -based hollow self-assembled biomimetic structures belong to the family of chemical gardens have been prepared and their gas-adsorption properties tested, in particular the performance in entrapping ammonia from the gas phase...

Numerical Modelling of Microwave Heating Assisted Rock ,

Oct 31, 2021 0183 32 This paper presents a numerical study on the effects of microwave irradiation on the mechanical properties of hard rock More specifically, the weakening effect of microwave heating induced damage on the uniaxial compressive and tensile strength of granite-like rock is numerically evaluated Rock fracture is modelled by means of a damage-viscoplasticity model with separate damage ,...

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Targeting MUS81 promotes the anticancer effect of WEE1 ,

Oct 08, 2021 0183 32 Identification of genomic biomarkers to predict the anticancer effects of indicated drugs is considered a promising strategy for the development of precision medicine DNA endonuclease MUS81 plays a pivotal role in various biological processes during malignant diseases, mainly in DNA damage repair and replication fork stability Our previous study reported that MUS81 was highly expressed and ....

The role of chest radiography in confirming covid

Jul 16, 2020 0183 32 What you need to know Covid-19 is likely to remain an important differential diagnosis for the foreseeable future in anyone presenting to hospital with a flu-like illness, lymphopenia on full blood count, and/or a change in normal sense of smell anosmia or taste12 Most people with covid-19 infection do not develop pneumonia3 however, chest radiography of people who are seriously ill ....

Mechanochemical Synthesis of Catalytic Materials

Jan 11, 2021 0183 32 Schematic representation of selected types of ball mills appearance and mode of action for high-energy ball milling In a shaker mill a , the grinding jar energetically swings back and forth on a curved trajectory with a given amplitude θ and frequency f The length L and diameter d of the milling capsule may decide for the motion of the balls in action eg, intensity and ....

prosthetics 10 denture problems a summary

128 BRITISH DENTAL JOURNAL, VOLUME 189, NO 3, AUGUST 12 2000 PRACTICE prosthetics Identification of complete denture problems a summary J F McCord, 1 and A A Grant, 2 There is, inevitably, the potential for problems to arise subsequent to the insertion of com-...

Polymers Free Full

Dec 07, 2021 0183 32 Common swelling agents used in the mechano-chemical rubber devulcanization process usually require high temperatures to achieve satisfactory swelling effects, which results in severe production of pollutants and reduces the selectivity of bond scissions This work presents an environmentally friendly swelling agent, terpinene, which can swell the rubber crosslink structures at ,...

Tailoring the Properties of Optical Force Probes for ,

Sep 28, 2021 0183 32 In recent years, notable works on adjusting optical force probes in their responses to energy both light and force , in time, and in their spatially detectable resolution have been published and help unraveling the macroscopic with relation to the molecular mechanical properties of polymer materialsHere, notable examples that put a dent in the universe of optical force sensing are highlighted...

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Selective grinding in dental occlusion

Selective grinding in dental occlusion Rev Belge Med Dent 1984 1990 45 4 31-44 Article in French Author J Charpentier 1 Affiliation 1 Université de Liége Institut de Stomatologie PMID 2095595 Abstract Occlusion has often to be corrected by grinding, should it be in T M J pain-dysfunction cases, in periodontal cases or for the ....