The phrase "and the second portion" is correct and usable in written English.
It can be used when referring to a subsequent part of a divided subject or item, often in a list or explanation.
Example: "The first portion of the report covers the background information, and the second portion discusses the findings."
Alternatives: "and the next part" or "and the following section".
One portion was mixed with 100 μL of ATP lytic buffer from ATPlite kit (Perkin Elmer, Oosterhout, The Netherlands) for ATP measurements and the second portion was stored at −80 °C for protein measurements.
The film splits almost in half, the first portion played almost entirely for comedy and the second portion as tragedy.
"The first section is more like a garden and the second portion is more industrial, like a cityscape, so we are using adjacent walls and surrounding rooftops".
The first section of this post — written by Isabelle Moncion of Lexum — is about the "Free Access to Law – Is It Here to Stay?" project as a whole, and the second portion, written by AfricanLII co-founder Mariya Badeva-Bright, focuses on lessons learned as applied to The African Legal Information Institute (AfricanLII).
Duodenal endoscopy revealed multiple submucosal tumors in the first and the second portion of the duodenum, although a pathological examination of biopsied specimens obtained from the duodenal lesions was negative for malignant cells.
For this reason the OUR experiments were performed in two portions, the first measuring oxygen uptake in an initially fully saturated medium, therefore starting at 100% saturation and reading down to about 80% saturation, and the second portion starting at around 25% and finishing as close to zero as possible.
Fig. 4 Comparison of snow cover area of MODIS LHS) and Landsat (RHS) data for a the first portion and b the second portion.
All of it is laid at the Summer home of an English family named Ramsay in the Hebrides, the first portion occupying an afternoon and evening, the second portion constituting an interlude of ten years during which the house remains unoccupied, the third portion occupying a morning at the end of these ten years.
He seems to gain in confidence as he goes along, however, and in the second portion of the novel, the cloud of derivativeness slowly lifts, as the reader begins to feel immersed in a distinctive and entertaining fictional world.
Each kidney was divided into three parts: one for pathological analysis and immunohistochemistry studies; The second portion was embedded in OCT for immunofluorescence staining; The third part was saved in liquid nitrogen for western blotting and real time RT-PCR.
Laparotomy was performed under general anesthesia, and the venous collaterals around the second portion of the duodenum were identified and cannulated using an 18-gauge needle (Fig. 3a).
