In addition, a single adult quagga mussel can produce up bucket hat to one million larvae in a single year, which allows them to colonize rapidly on hard surfaces. These colonies can ruin boat motors and clog water intake structures, such as pipes and screens, thereby impacting pumping capabilities for power and water treatment plants. These invasive mussels have cost industries and businesses hundreds of millions of dollars annually in maintenance and damage repair.

Many epidemiologists are familiar with statistical models, and the methods surrounding matching such models to data. Mechanistic mathematical models are simply another type of statistical model, but one in which our knowledge and assumptions about the underlying processes are explicitly formulated. This has two profound implications; the first is that in matching models and data the parameter values inferred generally relate to specific physical quantities such as average infectious periods or rates of transmission. The second is that when hat look using the model to extrapolate forwards in time, it is possible to change some of these fundamental parameters and hence mimic the effects of control mechanisms.

Like any statistical fitting and extrapolation, different models may produce different results just as fitting linear and non-linear statistical models can generate fedora hat very different conclusions. Given that there is no right model that can capture every element of the transmission process, and since many of the mechanisms are unknown for HAT, it is vitally important that multiple modelling assumptions are tested against the available data.

I suspect some of you might have preferred a hat in a more vibrant colour with this dress but I loved the way this hat was such an unexpected choice. The dress kept the hat from looking dull or boring while the hat and other tan accessories restrained the dress from looking too much like a bar code on steroids. For cowboy hat me, this beautiful balance is what makes this ensemble work. I look forward to hearing how you, dear readers, weigh in on this new hat!

I inherited a few hat pins, antiques which I treasure, those must of been made just for her. As for the dress, it is just plain ugly, I think the pattern of the fabric is to busy and makes her look heavier then she is. I like black and tan together, it is a wonderful color combination, yet this is not& & ..How does Maxima do it every time? Rarely does she make a fashion mistake, and today's showing proves that point. Her hat is huge, but she can carry it off yet again. Although, I went back and looked at her hat with those extremely long hat pins, and I have to agree the hat pins did appear to be quite dangerous. Tan/beige accessories with a black and white dress wouldn't be my first choice, but, here again, she does it perfectly.

I love the hat choice too, and it would go well with almost any color she wore. I do agree about the knitting needle hat pins though. Yikes! I have never straw hat seen them sticking out like that before. She looks lovely and vibrant as always, even with those huge hat pins. Nothing can detract from her exuberance and joie de vivre. Her personality is her best accessory, but this hat is a nice runner up. Not many women can wear such a large hat, but she pulls it off effortlessly. I love love love these hats.I've got one more week at the opera. It's bittersweet. My team has made some truly amazing things this summer and my hand-sewing skills and pattern-making

and general creativity are at full-blast right now!...but, I'm exhausted.