The phrase "a weak expression" is correct and usable in written English.
It can be used to describe a phrase or statement that lacks strength, clarity, or impact.
Example: "The author's use of a weak expression in the dialogue made the characters seem less convincing."
Alternatives: "a feeble phrase" or "a vague statement."
Zebrafish nme7 is predominantly expressed in gonads and only a weak expression can be found in other studied tissue (Fig. 10).
According to the Royal Marsden scoring system the tumour cells expressed CD5, CD19 and CD23, and a weak expression of Ig (Matutes et al, 1994).
Zebrafish nme10 is predominantly expressed in the ovary and only a weak expression can be found in other studied tissue (Fig. 10).
Most of the preferentially expressed genes were low-represented in EST databases and showed a weak expression in whole styles with stigmas before the SI reaction occurred.
In particular, matrix keratinocytes of the hair bulb do not express MECP2, the more differentiated keratinocytes of the hair shaft show a weak expression, and a stronger expression is observed in the keratinocytes at the root hair shaft.
From there Mr. Obama offered a bromide, "we have to enforce the laws we've already got," followed by a weak expression of desire to "get a broader conversation about how do we reduce the violence generally".
Moreover, immunohistochemical stain Bcl2 results showed that treating animals with ABG and CP caused a weak expression of Bcl-2 when compared with the CP-treated group.
On day 3 of incubation following exposure to strain, the periosteal-derived stem cells showed a weak expression of ALP and were allowed to grow for up to 14 days.
When the LRP developed to a hemispherical shape, a weak GUS activity was detected in the center of LRP, indicating a weak expression of OsPIN1b at this stage (Figure 3D2).
All TGs were localized in mouse Meibomian glands however TG-2 had a weak expression.
In the presence of RCN (Figure 1C), a weak expression of pr55Gag was detected at 4 h after co-transfection.
