Abstract: The disclosure provides systems and methods for data analysis of experimental data. The analysis can include reference data that are not directly generated from the present experiment, which reference data may be values of the experimental parameters that were either provided by a user, computed by the system with input from a user, or computed by the system without using any input from a user. Another example of such reference data may be information about the instrument, such as the calibration method of the instrument.

Abstract: A clamp is disclosed comprising a frame having two rigid supports spaced mutually apart along an axis and a screw threadedly mounted to one of the supports for axial movement along the axis. A first pressure contact member is pivotably mounted to an end of the screw between the two frame supports. A yoke is pivotably mounted to the other of the two supports for rotary movement about the axis with two yoke arms straddling the axis. A second pressure contact member is mounted to each of the two yoke arms for rotary movement between the two frame supports aside the frame axis.

Abstract: A negative pressure drainage vessel equipped with an interior resilient flexible diaphragm and means for producing a negative pressure on that side of such diaphragm which is proximate a fluid recovery area. The opposite side of the diaphragm is exposed to atmospheric pressure. A progressive rise of fluid level in the container, as may tend to increase the pressure on the negative-pressure side of the diaphragm, is accompanied by an elastomeric contraction "pull-down" or "pull-up" of the diaphragm so as to maintain essentially the negative pressure required for an essentially constant suction condition for a large progressive rise in fluid level. The negative pressure may be increased by periodic application of vacuum as may be effected by an air-evacuation mechanism. A separate, liquid-filled bag may be employed together with an appropriate valving means.