Sentence examples for it was difficult to prepare from inspiring English sources

On the other hand, it was difficult to prepare high molecular weight (Mw>100,000) copolymer with low α-olefin content if complex 2 was employed as the catalyst component.

It was difficult to prepare for the speaking section by myself, so I didn't I've had little experience or opportunity to speak, but I did think I really needed to practice (P17).

For speaking and writing if there isn't anyone to check then there's nothing you can do There wasn't anyone around who seemed to be able to correct my writing (P3) It was difficult to prepare for the speaking section by myself, so I didn't I've had little experience or opportunity to speak, but I did think I really needed to practice (P17).

We chose a SCID mouse as described earlier, because it was difficult to prepare RCC4 tumour xenografts in nude mice (Ogura et al, 2005).

For instance, it was difficult to prepare recognition sites if these chains were too short, on the one hand, and they could block these sites with their flexible chains if these chains were too long, on the other [ 177].

Because our HPLC method requires large amounts of material (> 10 g of fresh weight), it was difficult to prepare sufficient amounts of intact chloroplasts from Arabidopsis leaves, and consequently we measured vitamin B6 in another plant species, tobacco, that is more suitable for purifying intact chloroplasts by ultracentrifugation on Percoll gradient.

However, it is difficult to prepare monodispersed and hierarchical microspheres in short time with conventional method.

However, it is difficult to prepare these structures by using traditional electrostatic spinning techniques.

However, it is difficult to prepare the environmental screening for an infrastructure plan involving a whole country.

However, it is difficult to prepare highly translucent composites due to the light scattering that occurs in multiphase ceramics.

But without knowing a site is a target beforehand, it is difficult to prepare for an attack.