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Article
A novel method for improving milling efficiency and wear resistance of mill hammer with orderly brazed diamond grains
In order to improve the milling efficiency and wear resistance of hammer mills, diamond grains were brazed onto a T-shaped SUS 304 stainless steel hammer with an orderly patterned arrangement. The impact of gr...
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Article
Study on grinding of SiCp/Al composites by micro-textured monolayer brazed diamond wheel
It is difficult to machine with high machining efficiency and surface integrity for SiCp/Al composite, especially for those with a high volume fraction of SiC. Here, we present monolayer brazed diamond grindin...
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Article
Microstructure evolution and mechanical properties of high-boron steel with different ratios of boron and carbon
Boron and carbon contents are the main factors influencing the properties of high-boron steel. In this study, experimental samples with different boron-to-carbon ratios (%B/%C) were prepared. The microstructur...
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Article
Influence of Acupuncture on Microcirculation Perfusion of Pericardium Meridian and Heart in Acute Myocardial Ischemia Model Rats
To observe the influence of acupuncture on microcirculation perfusion of the pericardium meridian and heart in acute myocardial ischemia (AMI) rats and evaluate whether acupuncture can simultaneously affect th...
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Article
Quercetin prevents bone loss in hindlimb suspension mice via stanniocalcin 1-mediated inhibition of osteoclastogenesis
Recent studies demonstrate that diet quercetin (Quer) has obvious bone protective effects on ovariectomized rodents but thus far there is no direct evidence to support the inhibitory effect of Quer on bone los...
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Article
Effect of arraying parameters on dry grinding performance of patterned monolayer brazed CBN wheel
A series of patterned monolayer brazed cubic boron nitride (CBN) wheels were prepared to study the influence of arraying parameters on their dry grinding performance on hardened steel. The effect of grit spaci...
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Article
Open AccessEfficacy of verum and sham acupoint catgut embedding for treatment of obesity: Study protocol for a randomized controlled trial
Obesity has become a major public health hazard with epidemic proportions, affecting adults, adolescents, and children of both genders. Previous studies have suggested that acupoint catgut embedding (ACE) migh...
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Article
Purines Change at Acupoints along the Pericardium Meridian in Healthy and Myocardial Ischemic Rats
To quantify the purine concentrations of the acupoints along the pericardium and nonpericardium meridians under healthy and myocardial ischemia conditions to investigate the relationship between acupoint purin...
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Article
An energy spectrum smoothing algorithm based on TCC-DEE
A smoothing algorithm for energy spectrum based on differential nonlinearity (DNL) error elimination with total counts conservation for high-energy particle detector systems is presented. It is physics based a...
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Article
Wide-range tracking technique for process-variation-robust clock and data recovery applications
A wide-range tracking technique for clock and data recovery (CDR) circuit is presented. Compared to the traditional technique, a digital CDR controller with calibration is adopted to extend the tracking range....
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Article
An Area-Efficient 4-Stream FIR Interpolation/Decimation for IEEE 802.11n WLAN
This paper presents an area-efficient 4- stream finite impulse response (FIR) interpolation/decimation for IEEE 802.11n wireless local area network (WLAN). Novelty of the presented design is threefold. First, ...
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Article
Open AccessSpecies-specific and needle age-related responses of photosynthesis in two Pinus species to long-term exposure to elevated CO2 concentration
There is, so far, no common conclusion about photosynthetic responses of trees to long-term exposure to elevated CO2. Photosynthesis and specific leaf area (SLA) of 1-year-old and current-year needles in Pinus ko...
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Article
Effects of long-term elevated CO2 on N2-fixing, denitrifying and nitrifying enzyme activities in forest soils under Pinus sylvestriformis in Changbai Mountain
A study was conducted to determine the effects of elevated CO2 on soil N process at Changbai Mountain in Jilin Province, northeastern China (42°24′N, 128°06′E, and 738 m elevation). A randomized complete block de...
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Article
Responses of soil enzymes to long-term CO2 enrichment in forest ecosystems of Changbai Mountains
A study was conducted to determine the responses of soil enzymes (invertase, polyphenol oxidase, catalase, and dehydrogenase) to long-term CO2 enrichment at the Research Station of Changbai Mountain Forest Ecosys...
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Article
Comparisons of extraction and purification methods of soil microorganism DNA from rhizosphere soil
Microorganism DNA of rhizosphere soil from Pinus koraiensis and Pinus sylvestriformis were extracted by proteinase K based on SDS method, CTAB method, PVP (polyvinylpolypyrrolidone) method, and freezing and thawi...
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Article
Evaluation of 2 celecoxib derivatives: analgesic effect and selectivity to cyclooxygenase-2/1
To evaluate the analgesic effects of 2 celecoxib derivatives and their inhibitory effects on cyclooxygenase (COX).
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Article
The contribution of root respiration ofPinus koraiensis seedlings to total soil respiration under elevated CO2 concentrations
The impacts of elevated atmospheric CO2 concentrations (500 μmol·mol−1 and 700 μmol·mol−1) on total soil respiration and the contribution of root respiration ofPinus koraiensis seedlings were investigated from Ma...
