The phrase "several new types" is grammatically correct and can be used in written English.
Examples: 1. The company introduced several new types of smartphones at their latest product launch. 2. The library has acquired several new types of books, including graphic novels and audiobooks. 3. The fashion show featured several new types of fabrics and textures, making it a unique and diverse event. 4. The restaurant has added several new types of cuisine to their menu, catering to a wider range of customers. 5. The research team discovered several new types of marine life during their expedition.
And several new types of 2-, 3-, 4- and 5-DOF parallel robotic mechanisms are obtained.
A large body of research has revealed several new types of cross-sensory interactions.
Based on the above studies, several new types of Tensegrity domes with different geometric grids are proposed by the author.
Peters, it turned out, had created several new types of red Russian kale, a varietal that had been around for centuries.
In addition to the Kanō, rinpa, and Tosa styles of painting, which all originated in earlier periods, several new types of painting developed during the Edo period.
Finally, several new types of functional polymer foams are presented, including microcellular plastic, magnetic polymer foam, and porous, self-lubricating plastics.
A series of model shaking table tests were performed to evaluate the seismic stability of conventional-type bridge abutments as well as several new type bridge abutments including the one that was actually employed to construct the prototype one.
Several new type 2 diabetes gene regions have recently been identified [8], [9], [10].
While several newer types of support have been discussed (rock bolts, shotcrete, and precast-concrete elements), developments are under way toward entirely new types, including lighter material plus yield-controllable types as a corollary to above tolerable deformation concept.
First, to the best of our knowledge, we are the first to explore several new data types (e.g., Music play-list history, Physical activity, Battery charging events) and answer types (e.g., multiple choice vs. open ended, time selection) for generating dynamic security questions for fallback authentication.
Recently, meteorologists have added several new cloud types to that known pantheon, and some of them describe clouds that are created by us: Cumulus homogenitus names the cloud formation produced by smokestacks and steam plants; Cirrus homomutatus are the high-elevation condensation trails produced by airplanes.
