Sentence examples for dye is difficult from inspiring English sources

Black hair dye is difficult to remove without frying your hair - go to a hairdresser to avoid accidents.

However, design of such dyes is difficult, because the photo-induced twisted intramolecular charge transfer (TICT) process often leads to low quantum yields.

The treatment of wastewater containing dyes is difficult.

Due to very stable and xenobiotic nature, reactive dyes are difficult to degrade or exhibit slow degradation [5].

But, many textile dyes are difficult to degrade with the common methods due to their synthetic origin and the presence of a complex aromatic structure [72, 73] Tis2 is often used as catalytic to remove dyes and phenolics for their higher photocatalytic activity, good photo stability, non-toxicity, and low price.

The quantitative measurement of fluorescence intensities of dye monolayers is difficult owing to the very weak absorption.

The wastewater from textile dyeing industry is difficult to be treated successfully according to both high variability of composition and color intensity.

Due to good water solubility and poor biodegradability of acid dyes, it is difficult to eliminate them by conventional aerobic treatment (Robinson et al. 2001).

The terminal hydroxyl groups (−OH) can serve as dyeing sites, but PET is difficult to dye because the individual chains pack tightly.

Penetration of the fabric by the dye is more difficult with the hydrophobic synthetic fibres of acetate rayon, PET, and acrylics, so an alternate dyeing technique is needed.

However, being a dye-based approach, it is difficult to track apoptotic events for longer time periods.