Sentence examples for usually more difficult than from inspiring English sources

Because of these two considerations, experiments with clusters are usually more difficult than those with either specific molecules or bulk matter.

These formalisms are however more complex and developing new features in these frameworks is usually more difficult than in the norm-conserving framework.

Calibrating the third parameter of the secondary flows term is usually more difficult than determining the other two parameters (i.e. f and λ).

From the results in Figure 6, it is also possible to see that recognition of genes and diseases in articles is usually more difficult than recognition of chemical entities.

· As of now, there is no standardized approach accepted by the community to merge multiple SBML models into a larger one, even though there is an effort to standardize model composition [ 37]. · Designing larger computational models is usually more difficult than building models for sub-networks of specific biological networks.

In cases in which the atom that is substituted is linked to the rest of the molecule by only one bond, the bond involving the heavier isotope is usually more difficult to break than the one involving the lighter isotope.

Dural AV fistulas (DAVFs) are usually more difficult to identify than AVMs on conventional MRI, especially when venous ectasia is absent, as in type I and II DAVFs; the patients have vague symptoms (i.e. headache or tinnitus) and there are no localising signs [29].

For instance, addition problems requiring a carry operation (e.g., 38 + 26) are usually more difficult to perform than addition problems not requiring a carry (21 + 43; e.g., [ 66, 67]).

*nd = not determined due to low cell number Human blood monocyte-derived macrophages for this experiment were obtained from donor 3 Primary cells are usually more difficult to transfect or transduce than their similar immortalized cell lines [ 25], and macrophages are one of the most resistant cell types to gene transfer [ 10].

It is usually more difficult to agree the requirement than to build the final application.

Also, it is usually more difficult to copy the biometric characteristics of an individual than most of other authentication methods such as passwords.