How to deal with the abnormal points in logging curve For example, the GR curve is generally 20-200, mainly distributed in 80-100, but suddenly a segment of data reaches 400-600. Is this data credible

It's oil shale or anything else, just like Yanchang group 7 in Northern Shaanxi

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1. Can non quasi static process draw a curve on P-V image
2. Physics buoyancy calculation As shown in the figure, when a weight of 4kg is put on the block, the upper surface of the block is just level with the water surface. If a 5kg object is hung under the block, the upper surface of the block is also just level with the water surface. The density of the object is calculated Let's omit the picture
3. The resistance R1 is 40 ohm, R2 is 60 ohm, the two are in parallel, the voltage at both ends is 120 v. calculate (1) the total resistance; (2) the current of each resistance; (3) the total current
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7. As shown in the figure, the displacement of a particle changes with time. The image is a parabola, and the equation is x = - 5T2 + 40t [ ] A. The maximum displacement is 80 M B. The initial velocity of the particle is 20 m / s C. The acceleration of the particle is 5 m / S2 D. When t = 4 S, the velocity of the particle is zero This is the original question If you want to ask option a, the slope becomes larger in 4-8 seconds. Is the object accelerating in the opposite direction? How is the uniform deceleration
8. On the right side of the axis of symmetry of the parabola y = 2x ^ 2-8x + 7, there is a point a moving on the parabola Make a parabola crossing ab ‖ X axis through point a at another point B. there is a point m (2, a) on the symmetry axis (1) If the vertex of the parabola is C, write the coordinates of C (2) If a = 3, when point a moves to where, is the quadrilateral acbm a diamond? (3) Can the quadrilateral acbm be a square? If so, find out the coordinates of point m; if not, explain the reason The key lies in the third question, finding a = 0, which involves the formula of coordinates of two points on the number axis. Can junior high school students accept it.
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11. What causes the long-term marginal cost curve to rise after reaching a certain level of production? Is it the law of diminishing marginal return?
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13. Involute cylindrical gear transmission module M = 50 mm, pressure angle a = 20, transmission ratio i = 2.5, the number of pinion teeth is 20, the center distance of pinion indexing circle diameter gear circle
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18. What is the projection curve equation of the space curve equations z = x ^ 2 + y ^ 2, z = 2 - (x ^ 2 + y ^ 2) on the xoy plane and how to calculate it, Tell me about the curve equation, such as on that plane, how to spin the segment around which axis, OK,
19. Given the circle C: (x + 1) 2 + y2 = 25 and point a (1, 0), q is a point on the circle, and the vertical bisector of AQ intersects CQ at m, then the trajectory equation of point m is______ ．
20. Q is the moving point on the circle x ^ 2 + y ^ 2 = 4, and there is another point a (radical 3,0). The intersection radius OQ of the vertical bisector of the line segment AQ is at p. when the Q point moves on the circle, we can find Q is the moving point on the circle x ^ 2 + y ^ 2 = 4, and there is another point a (radical 3,0). The intersection radius OQ of the vertical bisector of the line segment AQ is p. when Q moves on the circle, the trajectory of P is obtained