Response to Ziegler and Ziegler

Ziegler Wax Embryo Models

Three-dimensional anatomical models have long been essential to the learning of science and lend a sense of ?control? to those practicing in the field. As the development of embryology [4] grew in importance during the late 1800s, so did the need for models to show intricate details of embryos. Embryologists such as Wilhelm His [5], Ernst Haeckel [6], and Oscar Hertwig all initially constructed...

Ziegler Spectra of Valuation Rings

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Triangulated categories and the Ziegler spectrum

The endometrium and IVF - D. de Ziegler

Table of content 1 E2 and progesterone effects: the donor-egg IVF lesson * 1.1 Only E2 and progesterone are necessary for optimal receptivity * 1.2 The follicular phase: sufficient E2 priming * 1.3 The luteal phase: progesterone induces a sequences of transformation * 1.4 Endometrial glands and the stroma: two steps in the sequence of endometrial changes. * 1.5 E2 to progesterone ratio * 2 Regi...

Pid Controller Design by Modified Ziegler-nichols Method

The paper presents PID controller design using modification of the Aström and Hägglund’s generalized Ziegler-Nichols rules. The design procedure consists in shifting the plant critical point into a specific point. Its position is defined by desired performance specification in term of achieving maximum overshoot and specified settling time of the closed-loop response or phase margin. The method...