An increase in amount of needling decreases the fabric weight produced from a particular web weight per square unit. The decrease in fabric weight/square unit is due to the drafting and spreading of fibers during punching, which increases as needling is increased. As the number of needle penetrations are increased, increased fiber locking causes a decrease in thickness. So when the needle is withdrawn, it resists the fibres to bounce back to their original
B. Comb drive with double folded flexure spring: An electrostatic comb drive with double folded flexure spring is shown below. Fig.4.Electrostatic comb drive with double folded flexure beam. In the above figure a folded flexure beam is introduced with the same beam length i.e 280 μm. C. Comparison: The figure below shows the displacement of all the comb drives when the same potential is applied . Fig.5.
Textile mills – manufacturing firm in the Textile Mills subsector group establishments that change an essential fiber (natural or synthetic) into a product, for example, yarn or fabric that is further manufactured into usable items, for example, attire, sheets, towels, and textile bags for individual or industrial utilization. The further manufacturing might be performed in a similar establishment and grouped in this subsector, or it might be performed at a different establishment and be classified somewhere else in manufacturing. Textile mills subsector comprises of these industry groups: • Yarn, Fiber, and Thread Mills • Fabric Mills • Textile 4. Textile product mills – ventures in the Textile Product Mills subsector group establishments that is making textile product. With two or three exceptional cases, processes that is utilized in the manufacturing firms are generally cutting and sewing (buying fabric and cut and sew to make non-apparel textile products, for example sheets and towels).
Thus, the effective tensile σ ft , for this given average ԑm, can be determined as following eq. (4.8). ft = Pc / (Ac + n.As) (4.8) Using equations (4.5), (4.7) and (4.8), the effective tensile σ is calculated for all the tested specimens with single steel bar in the middle of the prism with variable reinforcement ratio. And all the
WOUND HEALING EVALUATION PARAMETERS : (i) Wound contraction and epithelization time The percentage wound contraction was determined using the following formula : Percentage wound contraction = Healed area x 100 Total area Wound contraction was measured plannimetically using a transparent paper in each four days interval. It was observed the after simple ointment base treatment, % wound contraction reached to maximum in 21days. Mean of epithelization time of polyherbal was found to be leaser (16day) compared to control groups (21 days). TABLE.7.1. Effect of Topical Application leaves of Azadirchta indica , Cassia fistula, Eucalyptus globulus & Bulbs of Allium sativum extract Polyherbal Formulation on Excision
The line y = − p is the directrix The vertex is at the origin (0, 0). The focal distance is ∣p∣ The latus rectum is AB and its length is 4p. The axis of symmetry is on the y-axis or a line passing through the vertex perpendicular to the latus rectum. The point P(x, y) is any point on the curve. The distance from the point (x, y) to the directrix is the same from the distance from any point (x, y) to the focus (0, p) The parabola opens upward.
Maximum shear stress …..3.4 In which b is the longer side and c the shorter side of the rectangular cross section and α is a numerical factor depends on ratio of b/c. The angle of twist per unit length in the case of test specimen with rectangular cross section is given below. …..3.5 Where C is called torsional rigidity constant, given by C= 1/3 bc3G and L is length of cross section. Measurement generally involved using an instrument as a physical means of
We suggest about 3 to 5 feet in length. Next, match the ends of the two strands up and fold them in half, tying a knot at the fold. The end needs to be stable, so tape or pin it to a chair, or your pants. Now comes the tricky part. You will have four strands of hemp, which you need to separate into two outer pieces and two inner pieces, the latter of which will remain stationary.