Excerpts

For the premolar segments of the Bio-Active ® archwires, a slight trend of increasing Af temperature with increased duration of use was observed.

Although the average diameter of nanofiber shows an increasing trend with the increase in feeding rate, the change is not obvious.

As depicted, with the increase in HGM content, the thermal conductivity of the composite material shows a decreasing trend.

As shown in Figure 9 , the elastic modulus of the composite material shows an increasing trend with the increase in HGM content.

This indicates that although the internal stress of the sample decreases for a while at the occurrence of plastic deformation, it soon shifts to an increasing trend.

The friction coefficient of the boronized alloy (0.48~0.61) is lower than that of the unboronized alloy (0.86), and the friction coefficient shows a decreasing trend.

When the sintering temperature increases, the ε r and tan δ display a decreasing trend, obtaining values of 920.03 and 0.0452 at T sin = 1180 °C, respectively.

When 0.5% Al is added to the alloy, the strength and plasticity show a decreasing trend, while the UTS and YS are 365 MPa and 325 MPa, respectively.

Because radio-frequency magnetron sputtering has numerous advantages, such as high efficiency, favorable bonding strength, and controllable properties, an increasing trend has emerged for utilizing its benefits in the fabrication of HA bio-coatings [ 83 ].

[ 24 ] reported that the derived relationship between the damage variable and electrical resistivity is well correlated with the experimental data, in which electrical resistivity showed a trend of decreasing first and then increasing.

The GB parameters, including the donor concentration (N d ), showed an increasing trend in the range of (3.33–7.64) × 10 17 cm −3 with increasing sintering temperature due to ZnO dissociation.

From the results, it can be found that the tensile strength of the UHPC matrix will show a decreasing trend with the decrease in cement content.

However, it should be noted that the fluorescence intensity of the composite substrate reached a large value when grafting time was 3 h and then showed a decreasing trend with a further increase in grafting time.

For these two RAC-C groups, when the amount of cement and water added to the mixer in the pretreatment step was 20%, 25%, and 30%, respectively, the compressive strength of RAC-CA and RAC-CB showed a trend of first increasing and then decreasing.

The phase angles of NA and EA show an increasing trend with the increasing temperature, indicating that the two kinds of asphalt gradually approached the viscous state.

However, when the strain-rate was 10 s −1 , the deformation zone formed by the matrix phase deformation was not as clear as the deformation zone formed when the strain-rates were 10 −3 s −1 and 1 s −1 and even showed a trend of layer-by-layer deformation, as shown in Figure 12 b.

Discussion During the welding process, an increase in the laser power causes a decreasing trend in the corrosion resistance of the weld.

In the electrochemical corrosion process, with the increase in the laser power, the corrosion current and rate of the weld specimens exhibit an increasing trend.

As the ionic radius of the quaternary ammonium cation decreased, the desolvation size showed a positive trend.

The effect of the abrasive was also highly significant in terms of the amount of material removed and the depth of penetration of the water jet.

The lack of a clear trend with LTT might originate from the presence of the underlying strain gradients.

It can be seen that when the HPS temperature is lower than 1450 °C, the K Q values of the alloy exhibit an increasing trend with the increase in HPS temperature.

In the relative pressure P/P0 range of 0.4 to 1.0, the adsorption of molecular sieve showed an increasing trend, resulting in the adsorption-desorption isotherm not overlapping and the desorption isotherm being above the adsorption isotherm, thus making the nitrogen adsorption-desorption curve appear a clear hysteresis loop, which indicates that the molecular sieve has a certain mesoporous structure, and the hysteresis loop may be due to the occurrence of the molecular sieve mesopore channel This indicates that the molecular sieve has a mesoporous structure, and the hysteresis loop may be caused by capillary aggregation in the pore channels of the molecular sieve [ 30 ].

As shown in Figure 4 and Table 2 , the composite materials with 0.2% and 0.5% CNT content exhibit slightly higher E corr (corrosion potential) values compared to the original material without CNTs, while I corr (corrosion current density) displays a decreasing trend.

The temperature of the shear area will decrease with the increase of the cooling hydraulic pressure, weakening the softening effect of the material and slowing down the rate of instability of the shear surface material due to adiabatic shearing, that is, the angle between the inside of the serrated segment is increased and the adiabatic shear angle is reduced, resulting in an increasing trend in chip thickness.