The phrase "are not effective during" is correct and usable in written English.
You can use it to describe a situation or condition in which something fails to produce the desired effect at a specific time or period.
Example: "The new marketing strategies are not effective during the holiday season when consumers are focused on discounts."
Alternatives: "are ineffective at" or "do not work during".
The results have confirmed the findings of other authors that mass transfer of the gaseous reactant to the catalyst surface also takes place through zones of liquid which are not effective during a physical process.
The loading that characterizes the impact with hard and soft surfaces is different and therefore energy absorption devices developed for ground impact are not effective during a water impact.
As main results, the study points that: measured consumption are quite higher than predicted at the design, however show a reduction trend over time; some of the credits scored due to design solution are not effective during the post-occupancy; the majority of the interviewed users are satisfied with thermal and lightning comfort and think that the certification promotes work quality.
Moreover, the administration of RMT2-14 or RMT2-25 during the early phase effectively exacerbated the disease severity, although it was not effective during the late phase.
In one sub-group of C-DA, teachers were present and provided help tailored to the children's needs when the computer program was not effective during the administration, which was similar to interactionist DA.
Recently, Miyoshi et al. (2013) demonstrated that whistler-mode waves accelerate relativistic electrons during HSS events with southward interplanetary magnetic field (IMF -dominant HSS (SBz-HSS), whIMF -dominantleration mecHSSism is not effective during HSS events whilenorthisrd IMF-dominacceleration-HSS).
The test results also showed that covering of normal concrete with 1 cm layer of ECC is not effective during the early age of this material, while a layer of 3 cm thickness showed good abrasion resistance at early and mature ages.
This form of thermogenesis consumes large amounts of energy, which is not effective during severe cold (Silva 2006) such as WBCT.
This explains why ABT-737 as an immunosuppressive agent is not effective during the first days after transplantation and in the acute phase of an autoimmune disease, but may find a clinical application for induction therapy before solid organ or stem cell transplantation.
For parts in which mechanical methods to increase the sheet tension during bending are not effective or suitable, the proposed modified displacement adjustment method is an effective alternative.
It seems evident that the treatment regimens using antimicrobials currently available for mastitis during lactation are not effective against mastitis caused by penicillin-resistant S. aureus.
