With little experience in the role, no means of measuring target, range, height or speed the difficulty of observing their shell bursts relative to the target gunners proved unable to get their fuze setting correct and most rounds burst well below their targets ( discovering this, British fliers gave German anti-aircraft fire the mocking nickname, " Archie ").

This may reflect the difficulty of discovering all of those that don't.

Following observation of the fact that the reaction rates of supposedly identical reaction mixtures prepared on the same filling manifold and exposed under identical conditions often differed by several hundred per cent, a systematic series of experiments was undertaken to see whether the difficulty could be ascribed to the method of preparing the chlorine, to the effects of oxygen or moisture or to the effect of surface to volume ratio in the reaction tubes.

While we had expected that compulsive children in the unstructured school setting would have difficulty when compared to those in the structured, we were surprised to find that the achievement of the high compulsives within the schools where the whole-word method is used in beginning reading compares favorably with that of the low compulsives.

Despite its difficulty of learning, this method remains popular in Chinese communities that use traditional Chinese characters, such as Hong Kong and Taiwan ; it is also the first method that allowed users to enter more than a hundred Chinese characters per minute.

Attempts to generalize his method to functions with more than two variables failed because of the enormous difficulty of the calculations involved.

Indeed her method of digging, which most of us have subsequently adopted, causes a proliferation of loci that excavators often have difficulty keeping straight long enough to produce coherent published stratigraphic syntheses.

Galileo proposed this method to the Spanish crown ( 1616 – 1617 ) but it proved to be impractical, because of the inaccuracies of Galileo's timetables and the difficulty of observing the eclipses on a ship.

The panel found that phonics instruction is an effective method of teaching reading for students from kindergarten through 6th grade, and for all children who are having difficulty learning to read.

Due to the widespread tradition of women changing their names at marriage, they encounter little difficulty using the common law method at marriage in those jurisdictions that permit it.

The Shredder Challenge consists of five separate puzzles in which the number of documents, the document subject matter and the method of shredding will be varied to present challenges of increasing difficulty.

The usual difficulty with the method is that the corrections progressively make the new solutions very much more complicated, so each cycle is much more difficult to manage than the previous cycle of corrections.

The common difficulty with the method is that usually the corrections progressively make the new solutions very much more complicated, so each cycle is much more difficult to manage than the previous cycle of corrections.

Given a desired backbone conformation, side chain packing can be designed using variations of the dead-end elimination algorithm ; however, attempts to design proteins of novel folds have difficulty using this method due to an absence of plausible backbone models.

Although each method has its individual strengths and weaknesses, all three pairwise methods have difficulty with highly repetitive sequences of low information content-especially where the number of repetitions differ in the two sequences to be aligned.

Some of the difficulty in discussing the empirical method is from the ambiguity of the meaning of its linguist root: empiric.

In this case, by collecting enough ciphertext and applying a standard statistical method known as the kappa test, he showed that he could, albeit with great difficulty, crack any cipher generated by such a machine.

However, the large amount of specialized equipment, such as amphibious vehicles and the difficulty of establishing defenses — usually with a resulting high casualty count — in exchange for a relatively small gain, are often used as arguments against such an invasion method.

This method is fraught with difficulty because a radio galaxy's size depends on both its age and its environment.

Restarting after the pill-free week, having to hide pills, drug interactions and difficulty getting repeat prescriptions can all lead to method failure.

Another method for inducing transformation, though one that is very rarely successful, involves removing an axolotl in good condition to a shallow tank in a vivarium and slowly reducing the water level so that the axolotl has difficulty submerging.

This method accommodates the curvature problem within a township, and it also allows for any errors made during the surveying itself —- which were nearly unavoidable due to the physical difficulty of the work and the crude equipment used —- without overly compromising the basic rectangular nature of the system as a whole.

In some stories, kitsune have difficulty hiding their tails when they take human form ; looking for the tail, perhaps when the fox gets drunk or careless, is a common method of discerning the creature's true nature.

It provides a simple solution to the problem that the parallel-forms method faces: the difficulty in developing alternate forms.

The dweller at p is last to hear about a new cure, the slowest to announce to his neighbors his urgent distresses, the one who goes the farthest to trade, and the one with the greatest difficulty of all in putting over an idea or getting people to join him in a cooperative effort.

Since the difficulty of drawing the net is great, we will merely discuss it.

Analogously, anyone who argues that Einstein's theory of gravitation is simpler than Newton's, must say rather more to explain how it is that the latter is mastered by student-physicists, while the former can be managed ( with difficulty ) only by accomplished experts.

Now an abiding difficulty of paragraphs like the foregoing is that they appear to preach ; ;

Understanding, as he did, the difficulty of the art of poetry, and believing that the `` only technical criticism worth having in poetry is that of poets '', he felt obliged to insist upon his duty to be hard to please when it came to the review of a book of verse.

It should be kept in mind that the ease or difficulty with which a town or city can convert to the proposed plan is directly dependent upon the financial condition of that town or city.

Oddly enough, it is proven that there would be less reading difficulty.

But in such an important question, we would be satisfied if the judgment were that the principal objection to the identity of forces which produce electricity and magnetism were only a difficulty, and not a thing which is contrary to it.

`` A serious problem accompanying the technical-ladder approach is the difficulty of clearly defining responsibilities and standards of performance for each level.

Fundamental to the difficulty of creating the desired prestige is the fact that, in the business community, prestige and status are conferred in proportion to the authority that one man has over others and the extent of which he participates in the management functions ''.

every snake hide is noticeably longer than its carcass and intentional stretching presents no difficulty to the unscrupulous explorer.

We can escape from such a difficulty by ruling out the animal as not constituting a trial, but such a solution is not always satisfactory.

One issue that must be faced is the relative difficulty of analysis of different phonologic subsystems.

The difficulty of analysis of any subsystem in the phonology is an inverse function of the size -- smaller systems are more troublesome -- for any given degree of morphophonemic complexity.

There is little evidence that existing public or private training programs have any great difficulty getting students to enroll in their programs, even though they must pay tuition, receive no subsistence payments, and are not guaranteed a job.

Again, one major difficulty is the local focus.

Turning from these problems of the use of evidence, one meets another type of difficulty in Fromm's analysis, which is his loose and ambiguous use of certain important terms.

The bondage endurable by an oral poet is to be estimated only by a very skilful oral poet, but it appears safe to assume that no sustained narrative in rhyme could be composed without extreme difficulty, even in a language of many terminal inflections.

Although this technique is simple and satisfactory, one practical difficulty does exist: the direction of true north must be known for each launch point.

However, this difficulty is not too serious if it is realized that a surveying team can establish a true north base line with a few days' work.

and in fact without any difficulty if the pressure is kept downward at all times.